US Patent Class 209
CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS
 Electronic File Wrappers |  Electronic Patent Documents |  Paper Patent Documents | Current as of: June, 1999
|  and Services |
| Electronic File Wrappers | Electronic Patent Documents | Paper Patent Documents | Current as of: June, 1999
| and Services |
| DF | CLASS NOTES | |
| 1 | DF | MISCELLANEOUS |
| 2 | DF | SPECIAL APPLICATIONS |
| 3 | DF | PRECEDENT PREPARATION OF ITEMS OR MATERIALS TO FACILITATE SEPARATION |
| 3.1 | DF | .~ Sorting special items or sorting by methods and apparatus includible in subclasses 509 through 707 |
| 3.2 | DF | .~.~ Condition responsive sensor controlling preparation |
| 3.3 | DF | .~.~ Marking or tagging item |
| 4 | DF | .~ Selective differentiation |
| 5 | DF | .~.~ Deflocculation and flocculation |
| 7 | DF | .~.~ Form |
| 8 | DF | .~.~ Magnetizing and demagnetizing |
| 9 | DF | .~.~ Surface |
| 10 | DF | TREATMENT SUBSEQUENT |
| 11 | DF | WITH HEAT TREATMENT |
| 12.1 | DF | PLURAL, DIVERSE SEPARATING OPERATIONS |
| 12.2 | DF | .~ Including electrostatic |
| 13 | DF | .~ Aqueous suspension, sifting, and stratifying |
| 14 | DF | .~ Mercurial adhesion, sifting, and stratifying |
| 19 | DF | .~ Gaseous suspension, sifting, and stratifying |
| 15 | DF | .~ Mercurial suspension or adhesion and fluid suspension |
| 16 | DF | .~.~ Aqueous suspension |
| 17 | DF | .~ Aqueous suspension and sifting |
| 18 | DF | .~ Aqueous suspension and stratifying |
| 20 | DF | .~ Gaseous suspension and stratifying |
| 21 | DF | .~ Gaseous suspension and sifting |
| 22 | DF | .~.~ Coincident |
| 23 | DF | .~.~.~ With deposition |
| 24 | DF | .~.~.~ Horizontal current |
| 25 | DF | .~.~.~.~ With deposition |
| 26 | DF | .~.~.~ Inclined current |
| 27 | DF | .~.~.~.~ With deposition |
| 28 | DF | .~.~.~ Vertical current |
| 29 | DF | .~.~.~.~ With deposition |
| 30 | DF | .~.~ Successive |
| 31 | DF | .~.~.~ With deposition |
| 32 | DF | .~.~.~ Horizontal current |
| 33 | DF | .~.~.~.~ With deposition |
| 34 | DF | .~.~.~ Inclined current |
| 35 | DF | .~.~.~.~ With deposition |
| 36 | DF | .~.~.~ Vertical current |
| 37 | DF | .~.~.~.~ With deposition |
| 38 | DF | .~ Magnetic and sifting |
| 39 | DF | .~ Magnetic and fluid suspension |
| 40 | DF | .~ Magnetic and stratifying |
| 41 | DF | .~ Mercurial suspension and mercurial adhesion |
| 42 | DF | .~ Mercurial adhesion or suspension and sifting |
| 43 | DF | .~ Mercurial adhesion or suspension and stratifying |
| 44 | DF | .~ Sifting and stratifying |
| 44.1 | DF | .~ Including sorting of special items or sorting by methods or apparatus includible in subclasses 509 through 707 |
| 44.2 | DF | .~.~ Fluid jet |
| 44.3 | DF | .~.~ Drum-type sifter |
| 44.4 | DF | .~.~ Manual sorting |
| 45 | DF | ADHESION |
| 46 | DF | .~ With selective differentiation |
| 47 | DF | .~.~ Coating |
| 48 | DF | .~.~.~ Mercurial (i.e., amalgamators) |
| 49 | DF | .~ Coated surface or mass |
| 50 | DF | .~.~ Mercurial |
| 51 | DF | .~.~.~ Applying or removing coat |
| 52 | DF | .~.~.~ Contact elements |
| 53 | DF | .~.~.~.~ Agitators |
| 54 | DF | .~.~.~.~ Baffles |
| 55 | DF | .~.~.~.~ Disks and spheres |
| 56 | DF | .~.~.~.~ Liners |
| 57 | DF | .~.~.~.~ Percolators |
| 58 | DF | .~.~.~ Receivers |
| 59 | DF | .~.~.~.~ Rotating |
| 60 | DF | .~.~.~.~.~ Centrifugal |
| 61 | DF | .~.~.~.~.~ Cylinders, external |
| 62 | DF | .~.~.~.~.~ Cylinders, internal |
| 63 | DF | .~.~.~.~.~ Endless belt |
| 64 | DF | .~.~.~.~ Shaking |
| 65 | DF | .~.~.~.~ With agitating or conveying |
| 66 | DF | .~.~.~.~.~ Fluid |
| 67 | DF | .~.~.~.~.~ With rubbing |
| 68 | DF | .~.~.~.~.~ Impact |
| 69 | DF | .~.~.~.~.~ Reciprocating |
| 70 | DF | .~.~.~.~.~ Rotating |
| 127.1 | DF | ELECTROSTATIC |
| 127.2 | DF | .~ With heating of particles |
| 127.3 | DF | .~ With vibrating trough charging of particles |
| 127.4 | DF | .~ Free fall type particle charging |
| 128 | DF | .~ Attracting and repelling |
| 129 | DF | .~ Attracting |
| 130 | DF | .~ Repelling |
| 131 | DF | .~ Stratifying |
| 509 | DF | SORTING SPECIAL ITEMS, AND CERTAIN METHODS AND APPARATUS (E.G., POCKET TYPE AND LIGHT RESPONSIVE SORTING, ETC.) FOR SORTING ANY ITEMS |
| 510 | DF | .~ Sorting eggs or components thereof |
| 511 | DF | .~.~ Radiant energy sensing means controls separating means |
| 512 | DF | .~.~ By weight |
| 513 | DF | .~.~.~ Sensing egg weight and controlling separating means in accordance therewith |
| 514 | DF | .~.~.~ Orbiting or rotating carrier responsive to egg weight |
| 515 | DF | .~.~.~.~ Carrier tilted by means (e.g., trip, cam, etc.) adjacent travel path when depressed to particular elevation |
| 516 | DF | .~.~.~ Same eggs successively placed on means (e.g., balance beams, etc.) responsive to different weights |
| 517 | DF | .~ Sorting lumber, logs, pipes, rails, or like items |
| 518 | DF | .~.~ Condition responsive means controls separating means |
| 519 | DF | .~.~.~ Relatively movable calipers closed against item |
| 520 | DF | .~.~.~ Sensor responsive to item contact |
| 521 | DF | .~.~ With endless conveyor belt |
| 522 | DF | .~ Sorting bottles, ampoules, jars, drinking vessels, or like ceramic or glass containers |
| 523 | DF | .~.~ Condition responsive means controls separating means |
| 524 | DF | .~.~.~ Sensing radiant energy reflected, absorbed, emitted, or obstructed by item or adjunct (e.g., label, cap, etc.) thereof |
| 525 | DF | .~.~.~.~ Sizing with visible light beam |
| 526 | DF | .~.~.~.~ Detecting internal flaw (e.g., air bubble, crack, etc.) in wall of item |
| 527 | DF | .~.~.~.~.~ By means of radio frequency radiation |
| 528 | DF | .~.~.~.~ Detecting flaw in, or absence or misplacement of, label on item |
| 529 | DF | .~.~.~ Sensing position, shape, or presence of closure |
| 530 | DF | .~.~.~ Sensor contacts item |
| 531 | DF | .~.~.~.~ Gauge |
| 532 | DF | .~.~.~.~.~ Plug |
| 533 | DF | .~.~.~.~.~ Relatively movable calipers closed against item |
| 534 | DF | .~ Sorting paper money |
| 535 | DF | .~ Sorting cigarettes, cigars, or packages thereof |
| 536 | DF | .~.~ Sensing radiant energy reflected, absorbed, emitted, or obstructed by item or adjunct thereof |
| 537 | DF | .~.~ Fluid or vacuum sensing means controls separating means |
| 538 | DF | .~ Nonconveying driven means for turning item at separating or inspecting station to facilitate sorting |
| 539 | DF | .~ Traveling items shifted to form line, or into end or edge alignment, to facilitate inspection or separation |
| 540 | DF | .~ Traveling item turned to predetermined position |
| 541 | DF | .~.~ Plural orienting means |
| 542 | DF | .~.~ Reciprocable or pivotable orienting means |
| 543 | DF | .~.~ Fluid orienting means |
| 544 | DF | .~.~ Means orienting item moved by gravity |
| 545 | DF | .~.~ Driven orienting means |
| 546 | DF | .~ Signalling, indicating, or display means |
| 547 | DF | .~.~ Indicia associated with cards, file folders, or like coded items, or with sorting means therefor (including cards, per se, with edge coding) |
| 548 | DF | .~.~ Operation of apparatus stopped |
| 549 | DF | .~.~ Signal lamp or audible alarm |
| 550 | DF | .~.~ Indicating scale |
| 551 | DF | .~.~ Item counter |
| 552 | DF | .~ Condition responsive means controls separating means |
| 553 | DF | .~.~ Cards or sheets separated by rotatable suction drum |
| 554 | DF | .~.~ Sorting cards or sheets coded by perforation |
| 555 | DF | .~.~ Diverse |
| 556 | DF | .~.~.~ Diverse electrical tests |
| 557 | DF | .~.~.~ Including noncondition-responsive separating means |
| 558 | DF | .~.~.~ At single station |
| 559 | DF | .~.~ Means (e.g., information storing device, timer, delaying relay, etc.) delaying actuation of separating means |
| 560 | DF | .~.~.~ Mechanical |
| 561 | DF | .~.~.~.~ Rotatable pin carrier |
| 562 | DF | .~.~.~ Magnetic |
| 563 | DF | .~.~.~.~ Electrical |
| 564 | DF | .~.~.~.~.~ Electronic |
| 565 | DF | .~.~.~.~.~.~ Shift register |
| 566 | DF | .~.~.~.~.~.~.~ Controlled by article |
| 567 | DF | .~.~ Magnetic test sensing property of item |
| 568 | DF | .~.~.~ Magnetic core tested |
| 569 | DF | .~.~.~ Reading indicia |
| 570 | DF | .~.~.~ Permeability |
| 571 | DF | .~.~ Electrical test sensing property of item |
| 572 | DF | .~.~.~ Detecting flaw in dielectric |
| 573 | DF | .~.~.~ Electrical component tested |
| 574 | DF | .~.~.~.~ Resistor or capacitor |
| 575 | DF | .~.~.~.~ Lamp or battery |
| 576 | DF | .~.~ Sensing radiant energy reflected, absorbed, emitted, or obstructed by item or adjunct thereof |
| 577 | DF | .~.~.~ Infrared, visible light, or ultraviolet |
| 578 | DF | .~.~.~.~ Ultraviolet |
| 579 | DF | .~.~.~.~ Laser |
| 580 | DF | .~.~.~.~ Color detection |
| 581 | DF | .~.~.~.~.~ Intensity |
| 582 | DF | .~.~.~.~.~.~ Measuring ratio of sensed intensities |
| 583 | DF | .~.~.~.~ Reading indicia |
| 584 | DF | .~.~.~.~.~ On mail |
| 585 | DF | .~.~.~.~ Mirror or prism in optical path |
| 586 | DF | .~.~.~.~ Sizing |
| 587 | DF | .~.~.~.~ Reflected from item |
| 588 | DF | .~.~.~.~ Transmitted through item |
| 589 | DF | .~.~.~ X-ray or gamma ray |
| 590 | DF | .~.~.~ Sonic or supersonic energy |
| 591 | DF | .~.~ Sensing by applying fluid or vacuum to item |
| 592 | DF | .~.~ Responsive to weight of item |
| 593 | DF | .~.~.~ Detecting movement of item support with electrical sensor |
| 594 | DF | .~.~.~.~ Photodetector |
| 595 | DF | .~.~.~.~ Switch |
| 596 | DF | .~.~.~ Pusher or deflector controls movement of item on separate support |
| 597 | DF | .~.~ Sensing position, shape, or presence of closure or end wall on container |
| 598 | DF | .~.~ Sensing contour of item having no missing parts |
| 599 | DF | .~.~ Sorting items according to susceptibility to deform (e.g., malleability, hardness, compressibility, etc.), rupture, or vibrate |
| 600 | DF | .~.~ Sensor contacts item |
| 601 | DF | .~.~.~ Gauge |
| 602 | DF | .~.~.~.~ Relatively movable calipers closed against item |
| 603 | DF | .~.~.~.~ Sheet gauging |
| 604 | DF | .~.~.~.~ Sensor generates electrical signal |
| 605 | DF | .~.~.~.~.~ Items separated into at least three classes |
| 606 | DF | .~ Separating means |
| 607 | DF | .~.~ Corn silk separator |
| 608 | DF | .~.~ Sorting items according to edge coding |
| 609 | DF | .~.~.~ Magnet attracts or repels item |
| 610 | DF | .~.~.~ Keyboard control |
| 611 | DF | .~.~.~ Cards, file folders, or like items sorted by means of necked-down notch thereon |
| 612 | DF | .~.~.~ Cards, file folders, or like items alternatively having notch or hole at particular location thereon |
| 613 | DF | .~.~ Sorting cards, file folders, or like items having coded sorting holes |
| 614 | DF | .~.~ Hand supported implements |
| 615 | DF | .~.~ Brush, flail, or rake used other than as one of opposed pair of gauge elements to separate, or to facilitate separation of, items |
| 616 | DF | .~.~.~ Rotatable |
| 617 | DF | .~.~ Item gripped between opposed elements |
| 618 | DF | .~.~.~ Rollers |
| 619 | DF | .~.~ Gauge enters hole in item |
| 620 | DF | .~.~ Gauging passage between orbiting belts |
| 621 | DF | .~.~ Rotating or orbiting carrier having expandable gauging passage passing items of different size at different points along carrier travel path |
| 622 | DF | .~.~.~ Belt |
| 623 | DF | .~.~.~.~ With gauging pocket for individual item |
| 624 | DF | .~.~.~.~.~ Pocket formed by rollers, disks, or wheels spaced transversely of belt or by contoured transverse roller, bar, or slat |
| 625 | DF | .~.~ Gauge with clearer other than continuous feeder |
| 626 | DF | .~.~.~ Spacing between gauge elements increased to free item |
| 627 | DF | .~.~.~ Rotatable or pivotable clearer |
| 628 | DF | .~.~.~ Stationary clearer |
| 629 | DF | .~.~ Diverse |
| 630 | DF | .~.~.~ Including means supporting items for manual sorting or allowing operator to control item destination |
| 631 | DF | .~.~.~ Including separation effected by items following different trajectories through space |
| 632 | DF | .~.~.~ Including separation effected by item of particular size passing through gauging passage between separate elements |
| 633 | DF | .~.~.~.~ Stationary elements |
| 634 | DF | .~.~.~ Including separation effected by item of particular size passing through gauging aperture in wall (e.g., perforated panel, etc.) |
| 635 | DF | .~.~.~ Including separation effected by different items traveling in different directions while contacting a surface |
| 636 | DF | .~.~ Magnet attracts or repels item |
| 637 | DF | .~.~ Items thrown or falling through space strike surface and only some rebound |
| 638 | DF | .~.~ Items separate by following different trajectories through space |
| 639 | DF | .~.~.~ Fluid jet changes trajectory of item |
| 640 | DF | .~.~.~ Items thrown or falling through space strike surface and rebound with different trajectories |
| 641 | DF | .~.~.~ Takeoff ramp adjustable to different angular positions relative to horizontal plane |
| 642 | DF | .~.~.~ Thrower |
| 643 | DF | .~.~ Suction |
| 644 | DF | .~.~ Fluid jet |
| 645 | DF | .~.~ Sorting items by weight |
| 646 | DF | .~.~.~ Orbiting or rotating carrier responsive to item weight |
| 647 | DF | .~.~.~.~ Counterbalance on balance beam moved until beam tilts to item discharging position |
| 648 | DF | .~.~.~.~ Carrier tilted by means (e.g., trip, cam, etc.) adjacent travel path when depressed to particular elevation |
| 649 | DF | .~.~.~ Same items successively placed on means (e.g., balance beams, etc.) responsive to different weights |
| 650 | DF | .~.~.~ Item support swings about fixed horizontal axis to discharge at different vertically spaced points |
| 651 | DF | .~.~ Pusher moving item on separate surface |
| 652 | DF | .~.~.~ Pivotable |
| 653 | DF | .~.~.~ Reciprocable |
| 654 | DF | .~.~.~ Rotatable |
| 655 | DF | .~.~ Gravity-type conveyor (e.g., chute, etc.) movable between different discharge positions |
| 656 | DF | .~.~ Movement of items along different paths controlled by passive deflector |
| 657 | DF | .~.~.~ Deflector movable into and out of path of item |
| 658 | DF | .~.~.~ Deflector spaced above conveying means to pass item of particular size thereunder |
| 659 | DF | .~.~ Sorting items by size |
| 660 | DF | .~.~.~ Item of particular size passed through gauging passage between separate elements |
| 661 | DF | .~.~.~.~ Gauging passage between stationary element (e.g., bar, slat, etc.) and orbiting belt |
| 662 | DF | .~.~.~.~ Gauging passage between stationary element (e.g., bar, slat, etc.) and roller |
| 663 | DF | .~.~.~.~ Gauging passage between orbiting belt and roller or wheel |
| 664 | DF | .~.~.~.~ Gauging passage between elements of rotating cage |
| 665 | DF | .~.~.~.~ Gauging passage between elements of orbiting belt |
| 666 | DF | .~.~.~.~ Item moves along curved gauging passage |
| 667 | DF | .~.~.~.~ Gauging passage between rotatable elements |
| 668 | DF | .~.~.~.~.~ Element adjustable to change width of gauging passage |
| 669 | DF | .~.~.~.~.~ Helical roller |
| 670 | DF | .~.~.~.~.~ Items move longitudinally of gauging passage varying in width along length thereof |
| 671 | DF | .~.~.~.~.~ Spindle or roller having projecting elements spaced circumferentially thereof |
| 672 | DF | .~.~.~.~.~ Spindle or roller having axially spaced, flat-sided circumferential elements (e.g., flanges, disks, wheels, etc.) projecting therefrom |
| 673 | DF | .~.~.~.~.~ Cylindrical rollers |
| 674 | DF | .~.~.~.~ Gauging passage between moving elements (e.g., vibrating bars, slats, etc.) |
| 675 | DF | .~.~.~.~ Gauging passage between stationary elements (e.g., bars, slats, etc.) |
| 676 | DF | .~.~.~.~.~ Element adjustable to change width of gauging passage |
| 677 | DF | .~.~.~.~.~ Items move longitudinally of elongate elements |
| 678 | DF | .~.~.~.~.~.~ With means moving, or regulating movement of, items along elements |
| 679 | DF | .~.~.~.~.~.~ Width of gauging passage varies |
| 680 | DF | .~.~.~ Item of particular size passed through gauging aperture in wall (e.g., perforated panel, etc.) |
| 681 | DF | .~.~.~.~ Aperture in orbiting belt |
| 682 | DF | .~.~.~.~ Aperture in chute or trough |
| 683 | DF | .~.~.~.~ Aperture in circumferential wall of hollow body (e.g., tube, etc.) rotatable about longitudinal axis thereof |
| 684 | DF | .~.~.~ Item of particular size or shape enters pocket |
| 685 | DF | .~.~.~.~ On orbiting belt |
| 686 | DF | .~.~.~.~ On exterior of drumlike body (e.g., roller, etc.) rotatable about longitudinal axis thereof |
| 687 | DF | .~.~.~.~ On interior of hollow drumlike body (e.g., tube, etc.) rotatable about longitudinal axis thereof |
| 688 | DF | .~.~ Means pierces, or enters preformed hole in, item |
| 689 | DF | .~.~ Items separate by traveling in different directions while contacting drumlike body (e.g., roller, hollow cylinder, etc.) turning about longitudinal axis thereof |
| 690 | DF | .~.~.~ Items travel circumferentially and longitudinally of turning axis |
| 691 | DF | .~.~ Items separate by traveling in different directions while contacting same inclined surface of moving support |
| 692 | DF | .~.~.~ Items contact inclined reach of orbiting belt |
| 693 | DF | .~.~.~.~ Item separating reach inclined only in direction of belt movement |
| 694 | DF | .~.~.~ Translating support |
| 695 | DF | .~.~ Items separate by traveling in different directions while contacting same horizontal surface of moving support |
| 696 | DF | .~.~ Items separate by traveling in different directions while contacting same inclined surface of static support |
| 697 | DF | .~.~.~ Helical ramp |
| 698 | DF | .~.~ Means movable between horizontal item-supporting position and gravity discharge position |
| 699 | DF | .~.~ Sorting items according to susceptibility to deform (e.g., malleability, hardness, compressibility, etc.), rupture, or vibrate |
| 700 | DF | .~.~ Sorting items according to roughness or adhesiveness |
| 701 | DF | .~.~ Item turned while traveling |
| 702 | DF | .~.~ Manual sorting |
| 703 | DF | .~.~.~ Item supported on table or chute |
| 704 | DF | .~.~.~.~ Rotated about vertical axis |
| 705 | DF | .~.~.~ Item supported on orbiting or rotating carrier |
| 706 | DF | .~.~ Specific compartment of receptacle brought into alignment with feed means by operator |
| 707 | DF | .~.~ Items separated by tipping, rolling, or sliding off support under force of gravity |
| 132 | DF | FLUID SUSPENSION |
| 133 | DF | .~ Gaseous |
| 134 | DF | .~.~ Horizontal current |
| 135 | DF | .~.~.~ With deposition |
| 136 | DF | .~.~ Inclined current |
| 137 | DF | .~.~.~ With deposition |
| 138 | DF | .~.~ Vertical current |
| 139.1 | DF | .~.~.~ With deposition |
| 139.2 | DF | .~.~.~.~ With centrifugal feed distribution |
| 140 | DF | .~.~.~ Expanding |
| 141 | DF | .~.~.~.~ With deposition |
| 142 | DF | .~.~ Grading deposition |
| 143 | DF | .~.~.~ With deflection |
| 710 | DF | .~.~.~.~ Plural individual interconnected separation means having swirling currents |
| 711 | DF | .~.~.~.~.~ Fluidically induced, oppositely directed axial flows only (e.g., multiple cyclone arrangements, etc.) |
| 712 | DF | .~.~.~.~.~.~ Serial arrangement |
| 713 | DF | .~.~.~.~ Mechanically induced swirling |
| 714 | DF | .~.~.~.~.~ Eduction rotor |
| 715 | DF | .~.~.~.~ Fluidically induced, oppositely directed axial flows (e.g., reverse free-vortexes formed, cyclone, etc.) |
| 716 | DF | .~.~.~.~.~ Including auxiliary fluid |
| 717 | DF | .~.~.~.~.~ Including inlet characteristic (e.g., helix, spiral, volute, etc.) |
| 718 | DF | .~.~.~.~.~.~ Guide vane |
| 719 | DF | .~.~.~.~.~.~ Tangential |
| 720 | DF | .~.~.~.~.~ Including specific underflow outlet feature (e.g., apex discharge, etc.) |
| 721 | DF | .~.~.~.~.~ Including specific overflow outlet feature (e.g., adjustable vortex finder, shape, size, etc.) |
| 722 | DF | .~.~.~.~ Fluidically induced unidirectional swirling (e.g., axial, radial, tangential separation, free-vortex, etc.) |
| 723 | DF | .~.~.~.~.~ Plural extractions at diverse locations along flow path |
| 145 | DF | .~.~ Impetus and countercurrent |
| 146 | DF | .~.~ Feeding |
| 147 | DF | .~.~.~ Conveyor |
| 148 | DF | .~.~.~.~ Centrifugal |
| 149 | DF | .~.~.~.~ Chute |
| 150 | DF | .~.~.~.~ Disk or cone |
| 151 | DF | .~.~.~.~ Stepped plane |
| 152 | DF | .~.~.~ Cylinder internal |
| 153 | DF | .~.~.~ Tossers |
| 154 | DF | .~.~ Current control |
| 155 | DF | .~ Liquid |
| 156 | DF | .~.~ Horizontal current |
| 157 | DF | .~.~ Inclined current |
| 158 | DF | .~.~ Vertical current |
| 159 | DF | .~.~.~ With agitation |
| 160 | DF | .~.~.~ Expanding |
| 161 | DF | .~.~.~.~ With agitation |
| 162 | DF | .~.~ Floating |
| 163 | DF | .~.~.~ Buoyant material |
| * | DD | .~.~.~.~ Bubbles |
| 164 | DF | .~.~.~.~.~ Processes |
| 165 | DF | .~.~.~.~.~.~ Preferential |
| 166 | DF | .~.~.~.~.~.~ With modifying agents |
| 167 | DF | .~.~.~.~.~.~.~ Preferential |
| 168 | DF | .~.~.~.~.~ Apparatus |
| 169 | DF | .~.~.~.~.~.~ Agitating |
| 170 | DF | .~.~.~.~.~.~ Pneumatic |
| 171 | DF | .~.~.~.~ Oil |
| 172 | DF | .~.~.~ Gravity liquid |
| 172.5 | DF | .~.~.~.~ Suspension |
| 173 | DF | .~.~.~.~ Water or aqueous solution |
| 174 | DF | .~.~.~.~ Metallic (i.e., amalgamators) |
| 175 | DF | .~.~.~.~.~ Processes |
| 176 | DF | .~.~.~.~.~.~ With chemical treatment |
| 177 | DF | .~.~.~.~.~.~.~ Bath |
| 178 | DF | .~.~.~.~.~.~.~ Ore |
| 179 | DF | .~.~.~.~.~.~ With electric treatment |
| 180 | DF | .~.~.~.~.~.~.~ Bath |
| 181 | DF | .~.~.~.~.~.~.~ Ore |
| 182 | DF | .~.~.~.~.~.~ With heat treatment |
| * | DD | .~.~.~.~.~ Feeding and distributing |
| 183 | DF | .~.~.~.~.~.~ Submerging |
| 184 | DF | .~.~.~.~.~.~.~ Conveyor |
| 185 | DF | .~.~.~.~.~.~.~ Vacuum |
| 186 | DF | .~.~.~.~.~.~.~ With agitation |
| 187 | DF | .~.~.~.~.~.~.~.~ Baffles |
| 188 | DF | .~.~.~.~.~.~.~.~ Agitators |
| 189 | DF | .~.~.~.~.~.~ Surface |
| 190 | DF | .~.~.~.~.~.~.~ Impact |
| 191 | DF | .~.~.~.~.~ With rubbing |
| 192 | DF | .~.~.~.~.~ Feeding and discharging |
| 193 | DF | .~.~.~.~.~.~ Bath |
| 194 | DF | .~.~.~.~.~ Receptacles |
| 195 | DF | .~.~.~.~.~.~ Reciprocating |
| 196 | DF | .~.~.~.~.~.~.~ Chutes and tables |
| 197 | DF | .~.~.~.~.~.~.~ With agitators |
| 198 | DF | .~.~.~.~.~.~ Rotating |
| 199 | DF | .~.~.~.~.~.~.~ Centrifugal |
| 200 | DF | .~.~.~.~.~.~.~ With agitators |
| 201 | DF | .~.~.~.~.~.~ Stationary |
| 202 | DF | .~.~.~.~.~.~.~ Chutes and tables |
| 203 | DF | .~.~.~.~.~.~.~ With agitators |
| 204 | DF | .~.~.~.~.~.~.~.~ Reciprocating |
| 205 | DF | .~.~.~.~.~.~.~.~ Rotating |
| 206 | DF | .~.~.~.~.~ Riffles and traps |
| 207 | DF | .~.~.~ Surface film tension |
| 208 | DF | .~.~ Grading deposition |
| 209 | DF | .~.~.~ Chronometric |
| 210 | DF | .~.~.~ With deflection |
| 724 | DF | .~.~.~ Including circularly flowing liquid separation agent |
| 725 | DF | .~.~.~ Rotational hydrodynamic extraction (e.g., unidirectional hydrocyclone, vortical, whirlpool, etc.) |
| 726 | DF | .~.~.~.~ Including condition responsive control |
| 727 | DF | .~.~.~.~ Including oppositely directed axial flows around evacuated core (e.g., hydrocyclone having reverse free-vortexes formed, etc.) |
| 728 | DF | .~.~.~.~.~ Plural individual interconnected, oppositely directed axial flow producing separation phases (e.g., system arrangements, multiple hydrocyclones, etc.) |
| 729 | DF | .~.~.~.~.~.~ Serially connected |
| 730 | DF | .~.~.~.~.~ Including auxiliary fluid (e.g., air or gas core, dilution water, elutriation liquid, etc.) |
| 731 | DF | .~.~.~.~.~.~ Adjacent or subsequent to underflow discharge (e.g., dilution water, elutriation liquid, sedimentation chamber, sump, etc.) |
| 732 | DF | .~.~.~.~.~ Including specific overflow discharge feature (e.g., adjustable vortex finder, shape, size, etc.) |
| 733 | DF | .~.~.~.~.~ Including specific underflow discharge feature (e.g., apex construction, secondary vortex chamber, etc.) |
| 734 | DF | .~.~.~.~.~ Including specific inlet feature (e.g., shape, size, etc.) |
| * | DD | MAGNETIC |
| 212 | DF | .~ Diamagnetic |
| 213 | DF | .~ Paramagnetic |
| 214 | DF | .~.~ Processes |
| 215 | DF | .~.~ Special application |
| 216 | DF | .~.~ Multiple type |
| 217 | DF | .~.~ Reciprocating magnets |
| * | DD | .~.~ Rotating magnets |
| 218 | DF | .~.~.~ Belt |
| 219 | DF | .~.~.~ Cylinder external |
| 220 | DF | .~.~.~.~ Vertical axis |
| 221 | DF | .~.~.~ Cylinder internal |
| 222 | DF | .~.~.~ Disk |
| 223.1 | DF | .~.~ Stationary magnets |
| 223.2 | DF | .~.~.~ Cylinder external |
| 224 | DF | .~.~.~ Cylinder internal |
| 225 | DF | .~.~ With agitating or conveying |
| 226 | DF | .~.~.~ Magnetic |
| 227 | DF | .~.~.~.~ Traveling field |
| 228 | DF | .~.~ Discharging |
| 229 | DF | .~.~.~ Doffers |
| 230 | DF | .~.~.~.~ Magnetic |
| 231 | DF | .~.~ Feeding |
| 232 | DF | .~.~.~ Fluid suspension |
| 233 | DF | SIFTING |
| 234 | DF | .~ Combined type |
| 235 | DF | .~ Special applications |
| 236 | DF | .~.~ Distributing |
| 237 | DF | .~.~ Material testing |
| 238 | DF | .~ With heating or cooling |
| 239 | DF | .~ With weighting |
| 240 | DF | .~ Feeding and discharging |
| 241 | DF | .~.~ Conveyors |
| 242 | DF | .~.~ Interconnected |
| 243 | DF | .~ Feeding |
| 244 | DF | .~.~ Hoppers |
| 245 | DF | .~.~.~ With agitators or conveyors |
| 246 | DF | .~.~.~ Cut-offs and valves |
| 247 | DF | .~.~ Conveyors |
| 248 | DF | .~.~.~ Receptacles |
| 249 | DF | .~.~.~.~ Ash pan |
| 250 | DF | .~.~.~ Fluid |
| 251 | DF | .~.~ Reversible |
| 252 | DF | .~.~ Sifter movement |
| 253 | DF | .~.~ Selective |
| 254 | DF | .~ Distributers or spreaders |
| 255 | DF | .~ Discharging |
| 256 | DF | .~.~ Conveyors and valves |
| 257 | DF | .~.~ Conveyors |
| 258 | DF | .~.~ Valves |
| 259 | DF | .~.~ Receptacles |
| 260 | DF | .~.~ Tilting |
| 261 | DF | .~ Conveying |
| 262 | DF | .~.~ Material forcing |
| 263 | DF | .~.~ Material positioning |
| 264 | DF | .~.~.~ Guides |
| 265 | DF | .~.~.~.~ Imperforate sections |
| 266 | DF | .~.~.~.~ Superposed |
| 267 | DF | .~.~ Retarders |
| 268 | DF | .~ With liquid treatment |
| 269 | DF | .~.~ Reciprocating sifters |
| * | DD | .~.~ Rotating sifters |
| 270 | DF | .~.~.~ Drum |
| 271 | DF | .~.~.~ Disk |
| 272 | DF | .~.~.~ Endless belt |
| 273 | DF | .~.~ Stationary sifters |
| 274 | DF | .~ Concave and convex sifters |
| 275 | DF | .~.~ Reciprocating |
| 276 | DF | .~.~.~ With agitators |
| 277 | DF | .~.~.~.~ Reciprocating |
| 278 | DF | .~.~.~.~ Rotating |
| 279 | DF | .~.~ Rotating |
| 280 | DF | .~.~.~ With agitators |
| 281 | DF | .~.~ Stationary |
| 282 | DF | .~.~.~ With reciprocating agitators |
| 283 | DF | .~.~.~ With rotating agitators |
| * | DD | .~ Drum sifters |
| * | DD | .~.~ Horizontal and inclined |
| 284 | DF | .~.~.~ Feeding or dischargingd |
| 285 | DF | .~.~.~.~ Peripheral feed |
| 286 | DF | .~.~.~.~.~ Inlets |
| 287 | DF | .~.~.~ Reciprocating and rotating |
| 288 | DF | .~.~.~ Rotating |
| 289 | DF | .~.~.~.~ Multiple |
| 290 | DF | .~.~.~.~.~ Concentric |
| 291 | DF | .~.~.~.~.~.~ Nested |
| 292 | DF | .~.~.~.~.~ Superposed |
| 293 | DF | .~.~.~.~ With agitators and conveyors |
| 294 | DF | .~.~.~.~.~ Lifters and deflectors |
| 295 | DF | .~.~.~.~.~ Pneumatic |
| 296 | DF | .~.~.~.~.~ Rotating |
| 297 | DF | .~.~.~.~.~.~ Attached |
| 298 | DF | .~.~.~.~.~.~ Lifters |
| 299 | DF | .~.~.~.~ Lifters and beaters |
| 300 | DF | .~.~.~ Stationary |
| * | DD | .~.~ Vertical |
| 301 | DF | .~.~.~ Reciprocating and rotating |
| 302 | DF | .~.~.~ Reciprocating |
| 303 | DF | .~.~.~ Rotating |
| 304 | DF | .~.~.~.~ With agitators |
| 305 | DF | .~.~.~ Stationary |
| 306 | DF | .~.~.~.~ With agitators |
| 307 | DF | .~ Endless belt sifters |
| 308 | DF | .~.~ With agitators |
| * | DD | .~ Plane sifters |
| * | DD | .~.~ Horizontal and inclined |
| 309 | DF | .~.~.~ Reciprocating and rotating |
| * | DD | .~.~.~ Reciprocating |
| 310 | DF | .~.~.~.~ Distorting |
| 311 | DF | .~.~.~.~ Multiple |
| 312 | DF | .~.~.~.~.~ With pneumatic treatment |
| 313 | DF | .~.~.~.~.~ Alined |
| 314 | DF | .~.~.~.~.~ Stepped |
| 315 | DF | .~.~.~.~.~ Superposed |
| 316 | DF | .~.~.~.~.~.~ With intermediate conveyors |
| 317 | DF | .~.~.~.~.~.~ With dischargers |
| 318 | DF | .~.~.~.~.~.~ With pneumatic treatment |
| 319 | DF | .~.~.~.~.~.~ Attaching and adjusting |
| 320 | DF | .~.~.~.~ With agitators and conveyors |
| 321 | DF | .~.~.~.~.~ Pneumatic |
| 322 | DF | .~.~.~.~.~ Reciprocating |
| 323 | DF | .~.~.~.~.~.~ Unattached |
| 324 | DF | .~.~.~.~.~ Rotating |
| 325 | DF | .~.~.~.~ With horizontal and vertical shake |
| 326 | DF | .~.~.~.~.~ Gyratory |
| 327 | DF | .~.~.~.~.~ Lateral |
| 328 | DF | .~.~.~.~.~.~ With impact |
| 329 | DF | .~.~.~.~.~ Longitudinal |
| 330 | DF | .~.~.~.~.~.~ With impact |
| * | DD | .~.~.~.~ With horizontal shake |
| 331 | DF | .~.~.~.~.~ Longitudinal and transverse |
| 332 | DF | .~.~.~.~.~.~ Gyratory |
| 333 | DF | .~.~.~.~.~ Lateral |
| 334 | DF | .~.~.~.~.~.~ Impactive |
| 335 | DF | .~.~.~.~.~.~ Pivoted |
| 336 | DF | .~.~.~.~.~.~.~ With impact |
| 337 | DF | .~.~.~.~.~.~ Sliding |
| 338 | DF | .~.~.~.~.~.~.~ With impact |
| 339 | DF | .~.~.~.~.~.~ Swinging |
| 340 | DF | .~.~.~.~.~.~.~ With impact |
| 341 | DF | .~.~.~.~.~ Longitudinal |
| 342 | DF | .~.~.~.~.~.~ Sliding |
| 343 | DF | .~.~.~.~.~.~.~ With impact |
| 344 | DF | .~.~.~.~.~.~ Swinging |
| 345 | DF | .~.~.~.~.~.~.~ With impact |
| 346 | DF | .~.~.~.~ With vertical shake |
| 347 | DF | .~.~.~.~.~ Impactive |
| 348 | DF | .~.~.~.~.~ Pivoted |
| 349 | DF | .~.~.~.~.~.~ With impact |
| 350 | DF | .~.~.~ Rotating |
| 351 | DF | .~.~.~.~ With agitators |
| 352 | DF | .~.~.~ Stationary |
| 353 | DF | .~.~.~.~ Multiple |
| 354 | DF | .~.~.~.~.~ Stepped |
| 355 | DF | .~.~.~.~.~ Superposed |
| 356 | DF | .~.~.~.~.~.~ Zigzag |
| * | DD | .~.~.~.~ With agitators |
| 357 | DF | .~.~.~.~.~ Reciprocating |
| 358 | DF | .~.~.~.~.~ Rotating |
| 359 | DF | .~.~ Vertical |
| 360 | DF | .~.~.~ Reciprocating |
| 361 | DF | .~.~.~ Rotating |
| 362 | DF | .~ Spiral sifters |
| 363 | DF | .~ Elements |
| 364 | DF | .~.~ Actuating |
| 365.1 | DF | .~.~.~ Reciprocating |
| 365.2 | DF | .~.~.~.~ Cam and linkage |
| 365.3 | DF | .~.~.~.~ With cushioning |
| 365.4 | DF | .~.~.~.~ Differential motion |
| 366 | DF | .~.~.~.~ Gyrating |
| 366.5 | DF | .~.~.~.~.~ Unbalanced weight |
| 367 | DF | .~.~.~.~ Unbalanced weight |
| 368 | DF | .~.~.~.~ Magnetic |
| 369 | DF | .~.~.~ Rotating |
| 370 | DF | .~.~ Bins and casings |
| 371 | DF | .~.~.~ Adapters |
| 372 | DF | .~.~.~ Closures |
| 373 | DF | .~.~.~ Compartments and receptacles |
| 374 | DF | .~.~.~ Household |
| 375 | DF | .~.~.~.~ Chutes |
| 376 | DF | .~.~.~.~ Hods |
| 377 | DF | .~.~.~.~ Stoves and furnaces |
| 378 | DF | .~.~.~ Venting |
| 379 | DF | .~.~ Clearers |
| 380 | DF | .~.~.~ Fluid |
| 381 | DF | .~.~.~ Jarring |
| 382 | DF | .~.~.~.~ Knockers |
| 383 | DF | .~.~.~.~ Whips |
| 384 | DF | .~.~.~ Pressers |
| 385 | DF | .~.~.~ Wipers |
| 386 | DF | .~.~.~.~ Brush |
| 387 | DF | .~.~.~.~ Reciprocating |
| 388 | DF | .~.~.~.~.~ Brush |
| 389 | DF | .~.~.~.~ Rotating |
| 390 | DF | .~.~.~.~.~ Brush |
| 391 | DF | .~.~ Mesh closures |
| 392 | DF | .~.~ Dress |
| 393 | DF | .~.~.~ Bars |
| 394 | DF | .~.~.~.~ Adjusting |
| 395 | DF | .~.~.~.~ Attaching |
| 396 | DF | .~.~.~.~ Reciprocating |
| 397 | DF | .~.~.~ Perforated sheet |
| 398 | DF | .~.~.~.~ Adjusting |
| 399 | DF | .~.~.~.~ Attaching |
| 400 | DF | .~.~.~ Cords and wires |
| 401 | DF | .~.~.~ Woven |
| 402 | DF | .~.~.~.~ Adjusting |
| 403 | DF | .~.~.~.~ Attaching |
| * | DD | .~.~ Frames |
| 404 | DF | .~.~.~ Adjusting |
| 405 | DF | .~.~.~ Attaching |
| 406 | DF | .~.~.~ Drum |
| 407 | DF | .~.~.~.~ Sectional |
| 408 | DF | .~.~.~ Plane |
| 409 | DF | .~.~ Supports |
| 410 | DF | .~.~.~ Axial |
| 411 | DF | .~.~.~ Rim |
| 412 | DF | .~.~.~ Framework |
| 413 | DF | .~.~.~.~ Adjustable |
| 414 | DF | .~.~.~.~ Knockdown |
| 415 | DF | .~.~.~ Hangers and standards |
| 416 | DF | .~.~.~ Levelers |
| 417 | DF | .~.~.~ Manual |
| 418 | DF | .~.~.~.~ Scoop |
| 419 | DF | .~.~.~.~ Shovel |
| 420 | DF | .~.~.~ Portable |
| 421 | DF | .~.~.~.~ Vehicles |
| 422 | DF | STRATIFIERS |
| * | DD | .~ With liquid treatment |
| * | DD | .~.~ Movable bed |
| * | DD | .~.~.~ Permeable |
| 423 | DF | .~.~.~.~ Constant current |
| 424 | DF | .~.~.~.~.~ Divergent or opposite travel |
| 425 | DF | .~.~.~.~ Pulsating current |
| 426 | DF | .~.~.~.~.~ Divergent or opposite travel |
| 427 | DF | .~.~.~.~.~ Parallel travel |
| 428 | DF | .~.~.~ Belt |
| 429 | DF | .~.~.~.~ Divergent travel |
| 430 | DF | .~.~.~.~ Opposite travel |
| 431 | DF | .~.~.~.~ Reciprocating support |
| 432 | DF | .~.~.~.~.~ Divergent travel |
| 433 | DF | .~.~.~.~.~ Opposite travel |
| * | DD | .~.~.~ Chutes and tables |
| 434 | DF | .~.~.~.~ Spiral |
| 435 | DF | .~.~.~.~ Reciprocating-rotating |
| 436 | DF | .~.~.~.~.~ Divergent or opposite travel |
| 437 | DF | .~.~.~.~ Reciprocating |
| 438 | DF | .~.~.~.~.~ Annular |
| 439 | DF | .~.~.~.~.~.~ Divergent or opposite travel |
| 440 | DF | .~.~.~.~.~ With agitators |
| 441 | DF | .~.~.~.~.~ Divergent travel |
| 442 | DF | .~.~.~.~.~ Opposite travel |
| 443 | DF | .~.~.~.~.~ Parallel travel |
| 444 | DF | .~.~.~.~ Rotating |
| * | DD | .~.~ Receptacles |
| 445 | DF | .~.~.~ Reciprocating-rotating |
| 446 | DF | .~.~.~ Reciprocating |
| 447 | DF | .~.~.~.~ Manual support |
| 448 | DF | .~.~.~.~ With agitators |
| 449 | DF | .~.~.~.~.~ Reciprocating |
| 450 | DF | .~.~.~.~.~ Rotating |
| * | DD | .~.~.~ Rotating |
| 451 | DF | .~.~.~.~ Horizontal or inclined axis |
| 452 | DF | .~.~.~.~.~ With agitators or conveyors |
| 453 | DF | .~.~.~.~ Vertical axis |
| * | DD | .~.~ Stationary bed |
| * | DD | .~.~.~ Permeable |
| 454 | DF | .~.~.~.~ Constant current |
| 455 | DF | .~.~.~.~ Pulsating current |
| 456 | DF | .~.~.~.~.~ Divergent or opposite travel |
| 457 | DF | .~.~.~.~.~ Parallel travel |
| 458 | DF | .~.~.~ Chutes and tables |
| 459 | DF | .~.~.~.~ Annular, circular or spiral |
| 460 | DF | .~.~.~.~ With divergent or opposite travel |
| * | DD | .~.~.~ Receptacles |
| 461 | DF | .~.~.~.~ With agitators or conveyors |
| 462 | DF | .~.~.~.~.~ Reciprocating |
| 463 | DF | .~.~.~.~.~ Rotating |
| 464 | DF | .~.~.~.~.~.~ Horizontal or inclined axis |
| 465 | DF | .~.~.~.~.~.~ Vertical axis |
| * | DD | .~ With pneumatic treatment |
| * | DD | .~.~ Movable bed |
| * | DD | .~.~.~ Permeable |
| 466 | DF | .~.~.~.~ Constant current |
| 467 | DF | .~.~.~.~.~ Divergent or opposite travel |
| 468 | DF | .~.~.~.~ Pulsating current |
| 469 | DF | .~.~.~.~.~ Divergent or opposite travel |
| 470 | DF | .~.~.~ Belts |
| 471 | DF | .~.~.~ Chutes, tables, and receptacles |
| 472 | DF | .~.~.~.~ Divergent or opposite travel |
| 473 | DF | .~.~.~ Drums |
| * | DD | .~.~ Stationary bed |
| * | DD | .~.~.~ Permeable |
| 474 | DF | .~.~.~.~ With constant current |
| 475 | DF | .~.~.~.~ With pulsating current |
| 476 | DF | .~.~.~.~.~ Divergent or opposite travel |
| 477 | DF | .~.~ Chutes, tables, and receptacles |
| 478 | DF | .~ Magnetic |
| * | DD | .~ Movable bed |
| 479 | DF | .~.~ Chutes, tables, and receptacles |
| 480 | DF | .~.~.~ Divergent travel |
| 481 | DF | .~.~.~ Opposite travel |
| 482 | DF | .~.~ Drums |
| 483 | DF | .~ Stationary bed |
| 484 | DF | .~ Elements |
| 485 | DF | .~.~ Beds |
| 486 | DF | .~.~.~ Permeable |
| 487 | DF | .~.~ Cleaners |
| 488 | DF | .~.~ Feeding and discharging |
| 489 | DF | .~.~.~ Automatic control |
| 490 | DF | .~.~ Discharging |
| 491 | DF | .~.~.~ Automatic control |
| 492 | DF | .~.~.~ Conveyers |
| 493 | DF | .~.~.~ Dividers and skimmers |
| 494 | DF | .~.~.~ Exits |
| 495 | DF | .~.~.~.~ With positively operated dischargers |
| 496 | DF | .~.~.~.~ Automatic control |
| 497 | DF | .~.~ Feeding |
| 498 | DF | .~.~.~ Distributing |
| 499 | DF | .~.~.~ Regulating |
| * | DD | .~.~ Fluid supply |
| 500 | DF | .~.~.~ Liquid |
| 501 | DF | .~.~.~.~ Circuit |
| 502 | DF | .~.~.~ Pneumatic |
| 503 | DF | .~.~ Operating mechanism |
| 504 | DF | .~.~.~ Reciprocating |
| 505 | DF | .~.~.~ Rotating |
| 506 | DF | .~.~ Riffles |
| 507 | DF | .~.~.~ Overhung |
| 508 | DF | .~.~ Supports |
| ****************************** | ||
| CROSS-REFERENCE ART COLLECTIONS | ||
| ****************************** | ||
| 900 | DF | SORTING FLAT-TYPE MAIL |
| 901 | DF | FROTH FLOTATION; COPPER |
| 902 | DF | FROTH FLOTATION; PHOSPHATE |
| 903 | DF | FEEDER CONVEYOR HAVING OPPOSED GRIPPERS |
| 904 | DF | FEEDER CONVEYOR HOLDING ITEM BY MAGNETIC ATTRACTION |
| 905 | DF | FEEDER CONVEYOR HOLDING ITEM BY SUCTION |
| 906 | DF | PNEUMATIC OR LIQUID STREAM FEEDING ITEM |
| 907 | DF | MAGNETIC FEEDER |
| 908 | DF | ITEM FED BY FREE FALL |
| 909 | DF | ITEM HOLDING FEED MAGAZINE INSERTABLE IN SORTING APPARATUS |
| 910 | DF | FEED HOPPER |
| 911 | DF | FEED MEANS SUPPORTING OR GUIDING ITEM MOVING UNDER INFLUENCE OF GRAVITY |
| 912 | DF | ENDLESS FEED CONVEYOR WITH MEANS FOR HOLDING EACH ITEM INDIVIDUALLY |
| 913 | DF | SCREW FEED CONVEYOR |
| 914 | DF | DIVERSE SEQUENTIAL FEEDING STEPS |
| 915 | DF | CENTRIFUGAL FEEDER |
| 916 | DF | RECIPROCATING PUSHER FEEDING ITEM |
| 917 | DF | ENDLESS BELT PUSHER FEEDING ITEM |
| 918 | DF | SWINGING OR ROTATING PUSHER FEEDING ITEM |
| 919 | DF | ROTARY FEED CONVEYOR |
| 920 | DF | VIBRATORY FEED CONVEYOR |
| 921 | DF | RECIPROCATING OR OSCILLATING FEED CONVEYOR |
| 922 | DF | MISCELLANEOUS FEED CONVEYORS |
| 923 | DF | FEED THROUGH INCLUDING AT LEAST ONE ENDLESS CONVEYOR |
| 924 | DF | GRAVITY CONVEYOR MOVING ITEM FROM SEPARATING STATION |
| 925 | DF | DRIVEN OR FLUID CONVEYOR MOVING ITEM FROM SEPARATING STATION |
| 926 | DF | SILVERWARE SORTER |
| 927 | DF | COP SORTER |
| 928 | DF | CONTAINER CLOSURE SORTER |
| 929 | DF | FASTENER SORTER |
| 930 | DF | MUNICIPAL SOLID WASTE SORTING |
| 931 | DF | MATERIALS OF CONSTRUCTION |
| 932 | DF | FLUID APPLIED TO ITEMS |
| 933 | DF | ACCUMULATION RECEIVING SEPARATED ITEMS |
| 934 | DF | MOVING ITEMS TO SORTING MEANS IN SPACED RELATION LENGTHWISE OF FEED PATH |
| 935 | DF | AMBULANT |
| 936 | DF | PLURAL ITEMS TESTED AS GROUP |
| 937 | DF | LAUNDRY SORTING |
| 938 | DF | ILLUMINATING MEANS FACILITATING VISUAL INSPECTION |
| 939 | DF | VIDEO SCANNING |
| 940 | DF | NONCONDITION-RESPONSIVE SORTING BY CONTOUR |
| 941 | DF | ITEM CARRYING BRIDGE RAISABLE TO EXPOSE DISCHARGE OPENING |
| 942 | DF | OPERATOR SELECTS DESTINATION OF ITEM |