US Patent Class 19
TEXTILES: FIBER PREPARATION
 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 | |
| .2 | DF | STOPPING |
| .21 | DF | .~ Photo responsive |
| .22 | DF | .~ With signal |
| .23 | DF | .~ Thickness detection |
| .24 | DF | .~.~ Floating roll |
| .25 | DF | .~ Break or run-out detection |
| .26 | DF | .~.~ Strand winding |
| .27 | DF | DRYING |
| .3 | DF | STAPILIZING |
| .35 | DF | .~ Tension breaking |
| .37 | DF | .~.~ With weakening |
| .39 | DF | .~.~ Multi-stage |
| .41 | DF | .~.~ With lateral filament deflection |
| .43 | DF | .~.~ Differential effect |
| .46 | DF | .~ With prior treatment |
| .48 | DF | .~.~ Aligning or separating |
| .51 | DF | .~ With stapled fiber overlapping |
| .56 | DF | .~ Combined |
| .58 | DF | .~ Continuously flowing work |
| .6 | DF | .~.~ Cutting |
| .62 | DF | .~.~.~ Differential speed rotary cutter |
| .64 | DF | .~.~.~ Fraying (e.g., abrasive) |
| 1 | DF | LIBERATING |
| 2 | DF | .~ Animal fibers |
| 3 | DF | .~.~ Silk |
| 4 | DF | .~.~ Feathers |
| 5 R | DF | .~ Decorticating |
| 6 | DF | .~.~ With seed or leaf removing |
| 7 | DF | .~.~ With liquid treatment |
| 8 | DF | .~.~.~ Depulping |
| 9 | DF | .~.~ With air blast |
| 10 | DF | .~.~ Individual stalk opening |
| 11 | DF | .~.~ Traveling clamp feed |
| 12 | DF | .~.~.~ Transverse |
| 13 | DF | .~.~.~.~ Overhead |
| 14 | DF | .~.~.~.~.~ Depulping |
| 15 | DF | .~.~.~.~ Depulping |
| 16 | DF | .~.~.~.~.~ Single rotor |
| 17 | DF | .~.~.~ Depulping |
| 18 | DF | .~.~.~.~ Including rotary |
| 19 | DF | .~.~ Apron machines |
| 20 | DF | .~.~.~ Depulping |
| 21 | DF | .~.~ Combinations with reciprocating brakes |
| 22 | DF | .~.~ Reciprocating brakes |
| 23 | DF | .~.~.~ Continuous feed |
| 24 | DF | .~.~ Rotary machines |
| 25 | DF | .~.~.~ Axially movable rotor |
| 26 | DF | .~.~.~ Single rotor |
| 27 | DF | .~.~.~.~ Depulping |
| 28 | DF | .~.~.~ Depulping |
| 29 | DF | .~.~.~ Including brakes and combs |
| 30 | DF | .~.~.~ Brakes and beaters |
| 31 | DF | .~.~.~ Brakes |
| 32 | DF | .~.~.~.~ Reverse rotation |
| 33 | DF | .~.~.~ Beaters |
| 34 | DF | .~.~ Depulping |
| 5 A | DF | .~.~ Systems |
| 35 | DF | .~ Boll hulling |
| 36 | DF | .~.~ With knocker roll and breaker |
| 37 | DF | .~.~ With knocker roll |
| 38 | DF | .~.~ With breaker |
| 39 | DF | .~ Ginning |
| 40 | DF | .~.~ Delinting |
| 41 | DF | .~.~.~ Delinters |
| 42 | DF | .~.~.~.~ Separate delinting and doffing chambers |
| 43 | DF | .~.~.~.~.~ Roller and bar |
| 44 | DF | .~.~.~.~ Rotor in shell |
| 45 | DF | .~.~.~.~.~ Vertical |
| 46 | DF | .~.~.~.~.~.~ Skeleton rotor |
| 47 | DF | .~.~.~.~.~ Skeleton rotor |
| 48 R | DF | .~.~ Gins |
| 49 | DF | .~.~.~ Rolling squeeze |
| 50 | DF | .~.~.~ Roller and bar |
| 51 | DF | .~.~.~.~ Laterally movable detacher |
| 52 | DF | .~.~.~.~ Vibratory detacher |
| 53 | DF | .~.~.~.~ Rotary detacher |
| 54 | DF | .~.~.~ Rollers |
| 55 R | DF | .~.~.~ Saw |
| 56 | DF | .~.~.~.~ With boll hullers |
| 57 | DF | .~.~.~.~ Multiple cylinders |
| 58 | DF | .~.~.~.~ Doffing and moting |
| 59 | DF | .~.~.~.~.~ Pneumatic doffing |
| 60 | DF | .~.~.~.~.~ Brushes |
| 61 | DF | .~.~.~.~ Seed boards |
| 62 R | DF | .~.~.~.~ Ribs |
| 62 A | DF | .~.~.~.~.~ Rotary rib |
| 63 | DF | .~.~.~.~ Saws |
| 64 | DF | .~.~.~.~ Saw cleaners |
| 55 A | DF | .~.~.~.~ Gin breast lift |
| 55 B | DF | .~.~.~.~ Float roll |
| 48 A | DF | .~.~.~ Disc type |
| 64.5 | DF | .~.~ Feeding |
| 65 R | DF | WORKING |
| 66 R | DF | .~ Fluid or special treatment |
| 66.1 | DF | .~.~ Crimping or curling |
| 66.2 | DF | .~.~.~ Opposed intermeshing traveling surfaces |
| 200 | DF | .~.~ Cleaning |
| 201 | DF | .~.~.~ By detergent |
| 202 | DF | .~.~.~ Including condensing or saw action |
| 203 | DF | .~.~.~.~ And doffing |
| 204 | DF | .~.~.~ And feeding |
| 205 | DF | .~.~.~.~ Pneumatic |
| 66 CC | DF | .~.~ Cotton conditioning |
| 66 T | DF | .~.~ Tow |
| 80 R | DF | .~ Picking |
| 81 | DF | .~.~ Nonrotary |
| 82 | DF | .~.~ Disintegrators |
| 83 | DF | .~.~.~ Gripping |
| 84 | DF | .~.~ Bur removers, gripping feed |
| 85 | DF | .~.~ Beaters |
| 86 | DF | .~.~.~ Gripping feed |
| 87 | DF | .~.~.~.~ Multiple rotor |
| 88 | DF | .~.~.~.~.~ With condenser |
| 89 | DF | .~.~.~.~ With condenser |
| 90 | DF | .~.~.~ Longitudinal feed |
| 91 | DF | .~.~.~.~ Multiple rotor |
| 92 | DF | .~.~.~ Intermittent feed |
| 93 | DF | .~.~.~ Multiple rotor |
| 94 | DF | .~.~.~ Rotors |
| 95 | DF | .~.~.~ Screens |
| 96 | DF | .~.~ Gripping feed |
| 97 | DF | .~.~ Rotors |
| 97.5 | DF | .~.~ Feeding |
| 80 A | DF | .~.~ Separator |
| 98 | DF | .~ Carding |
| 99 | DF | .~.~ Card types |
| 100 | DF | .~.~.~ Roller worker and stripper |
| 101 | DF | .~.~.~.~ Multiple-roller worker unit |
| 102 | DF | .~.~.~ Traveling flat |
| 103 | DF | .~.~.~.~ Bends |
| 104 | DF | .~.~.~ Stationary flat |
| 105 | DF | .~.~ Feeding |
| 106 R | DF | .~.~ Doffing |
| 106 A | DF | .~.~.~ Doffer comb |
| 107 | DF | .~.~ Waste recovering |
| 108 | DF | .~.~ Stripping |
| 109 | DF | .~.~.~ Pneumatic |
| 110 | DF | .~.~.~ Flat |
| 111 | DF | .~.~.~.~ Traveling |
| 112 | DF | .~.~ Cylinders |
| 113 | DF | .~.~ Flats |
| 114 | DF | .~.~ Card clothing |
| 115 R | DF | .~ Combing |
| 215 | DF | .~.~ Tuft combing |
| 216 | DF | .~.~.~ Tuft translating type |
| 217 | DF | .~.~.~.~ Rotary |
| 218 | DF | .~.~.~ Waste clearing |
| 219 | DF | .~.~.~ With auxiliary pressing |
| 220 | DF | .~.~.~ Nonrotary combing |
| 221 | DF | .~.~.~.~ Stationary when combing |
| 223 | DF | .~.~.~.~.~ Moving to combed position in timed relation to nipper or detaching motion |
| 224 | DF | .~.~.~.~.~ Adjusting |
| 225 | DF | .~.~.~ With oscillating or reciprocating nipper |
| 226 | DF | .~.~.~.~ Plural pairs - alternating |
| 227 | DF | .~.~.~.~ Resilient closing or opening |
| 228 | DF | .~.~.~.~ Adjusting |
| 229 | DF | .~.~.~ Detaching (i.e., segment) |
| 230 | DF | .~.~.~.~ Belt |
| 231 | DF | .~.~.~.~ Roll |
| 232 | DF | .~.~.~.~.~ Oscillating or reciprocating |
| 233 | DF | .~.~.~ Rotary comb cylinder |
| 234 | DF | .~.~.~.~ Half lap |
| 235 | DF | .~.~.~ Nipper |
| 122 | DF | .~.~ Circle |
| 123 | DF | .~.~.~ Exterior and interior |
| 124 R | DF | .~.~.~ Dabbing mechanism |
| 124 B | DF | .~.~.~.~ Brush |
| 125 | DF | .~.~ Overhead traveling clamp |
| 126 | DF | .~.~ Apron and cylinder |
| 127 | DF | .~.~ Apron |
| 128 | DF | .~.~ Cylinder |
| 129 R | DF | .~.~ Screw gill bar |
| 129 A | DF | .~.~.~ Gill bar cleaners |
| 115 A | DF | .~.~ Draw-off rolls |
| 115 B | DF | .~.~ Waste collector |
| 236 | DF | .~ Drafting |
| 237 | DF | .~.~ Producing longitudinal variations |
| 238 | DF | .~.~.~ By variation of fiber input rate |
| 239 | DF | .~.~ With material sensing |
| 240 | DF | .~.~.~ And speed changing |
| 241 | DF | .~.~.~.~ By belt shifting |
| 242 | DF | .~.~ With fiber stretching |
| 243 | DF | .~.~ With doubling |
| 244 | DF | .~.~ Apron type |
| 245 | DF | .~.~.~ With clearing |
| 246 | DF | .~.~.~ With condensing |
| 247 | DF | .~.~.~ With fiber orienting |
| 248 | DF | .~.~.~ Pressing or holding fibers against belt |
| 249 | DF | .~.~.~ With auxiliary apron support |
| 250 | DF | .~.~.~ Tensioning |
| 251 | DF | .~.~.~.~ By roll |
| 252 | DF | .~.~.~ With apron guide |
| 253 | DF | .~.~.~.~ Including specific cross-guide structure |
| 254 | DF | .~.~.~.~ Cradles |
| 255 | DF | .~.~.~.~.~ For plural aprons |
| 256 | DF | .~.~.~ With adjustments |
| 257 | DF | .~.~ With cooperating trough |
| 258 | DF | .~.~ Roll type |
| 259 | DF | .~.~.~ Including slip roll |
| 260 | DF | .~.~.~ Including changing roll speed or location |
| 261 | DF | .~.~.~.~ Roll-spacing adjusting |
| 262 | DF | .~.~.~ With clearing |
| 263 | DF | .~.~.~.~ Pneumatic |
| 264 | DF | .~.~.~.~ Underclearing |
| 265 | DF | .~.~.~.~ Top roll |
| 266 | DF | .~.~.~ Pressure-applying devices |
| 267 | DF | .~.~.~.~ With releasing means |
| 268 | DF | .~.~.~.~.~ Responsive to roll relationship |
| 269 | DF | .~.~.~.~.~ Gravity pressure means |
| 270 | DF | .~.~.~.~ Signal |
| 271 | DF | .~.~.~.~ Uniform pressure applying to all rolls or plural pairs from a single source |
| 272 | DF | .~.~.~.~ Magnetic, hydraulic, or pneumatic |
| 273 | DF | .~.~.~.~ Applied through stirrup and saddle |
| 274 | DF | .~.~.~.~.~ Including fulcrumed lever linking stirrup and pressure means |
| 275 | DF | .~.~.~.~.~.~ Gravity pressure applying means |
| 276 | DF | .~.~.~.~.~.~.~ With means to vary or permit variation of pressure effect on fulcrumed lever arm |
| 277 | DF | .~.~.~.~.~ Spring pressure applying means |
| 278 | DF | .~.~.~.~ Applied through saddle |
| 279 | DF | .~.~.~.~.~ Spring pressure applying means |
| 280 | DF | .~.~.~.~.~.~ With pressure-adjusting means |
| 281 | DF | .~.~.~.~ Spring pressure applying means |
| 282 | DF | .~.~.~.~.~ With means to adjust pressure |
| 283 | DF | .~.~.~.~ Gravity pressure applying means |
| 284 | DF | .~.~.~.~ Saddle, per se |
| 285 | DF | .~.~.~.~.~ Lubricating or antifriction means |
| 286 | DF | .~.~.~ Roll condensing |
| 287 | DF | .~.~.~ Reciprocating transverse guide, condenser, or roll |
| 288 | DF | .~.~.~ With fiber guide, condenser, or brake |
| 289 | DF | .~.~.~.~ Including marginal folding |
| 290 | DF | .~.~.~.~ Presser |
| 291 | DF | .~.~.~.~ Open type |
| 292 | DF | .~.~.~.~ Adjustable |
| 293 | DF | .~.~.~ Gear or friction driving |
| 294 | DF | .~.~.~ Roll stands |
| 295 | DF | .~.~.~.~ Top roll |
| 65 A | DF | .~ Systems |
| 65 T | DF | .~ Tow |
| 65 CR | DF | .~ Crush rolls |
| 144 | DF | ASSEMBLING |
| 145 | DF | .~ Different materials |
| 145.3 | DF | .~.~ Fiber to stick or rod |
| 145.5 | DF | .~.~ Blending |
| 145.7 | DF | .~.~.~ By carding |
| 148 | DF | .~ Article, screen-condensing |
| 149 | DF | .~ Article, winding |
| 150 | DF | .~ Silver forming |
| 151 | DF | .~.~ Fleece dividers |
| 152 | DF | .~.~ Rub rolls |
| 153 | DF | .~.~ Rub aprons |
| 296 | DF | .~ Web forming |
| 297 | DF | .~.~ With fiber sampling |
| 298 | DF | .~.~ With split lap preventing |
| 299 | DF | .~.~ Including continuous filaments |
| 300 | DF | .~.~ Control means responsive to sensed condition or program |
| 301 | DF | .~.~ Irregular, nonuniform, or patterned receiving surface |
| 302 | DF | .~.~ Stratified or multilayer |
| 303 | DF | .~.~ With divided fiber stream or separate handling of trash or fugitive fiber |
| 304 | DF | .~.~ Fluid propelled to condenser |
| 305 | DF | .~.~.~ With fiber liberation |
| 306 | DF | .~.~.~.~ Gripping feed to fiber separator |
| 307 | DF | .~.~.~.~.~ Rotary condenser |
| 308 | DF | .~.~.~ Rotary condenser |
| 157 | DF | .~ Formed silvers |
| 159 R | DF | .~.~ Coiling |
| 159 A | DF | .~.~.~ Can changing |
| 160 | DF | .~.~ Zigzag |
| 161.1 | DF | .~ Formed web |
| 163 | DF | .~.~ Zigzag |