US PATENT SUBCLASS 210 / 435
.~ Within flow line or flow line connected close casing

Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

348  DF  FILTER {25}
435.~ Within flow line or flow line connected close casing {9}
436  DF  .~.~> Vented
437  DF  .~.~> Central internal liquid receiver, e.g., tube {3}
443  DF  .~.~> Inlet and outlet at same end {1}
445  DF  .~.~> Clamped in casing joint
446  DF  .~.~> Axially aligned inlet and outlet {3}
450  DF  .~.~> Gasket within casing or spaced removable end members
451  DF  .~.~> Internal fixed shoulder supporting filter element {1}
453  DF  .~.~> Filter element clamped between closure and end wall
454  DF  .~.~> Filter element attached to closure

DEFINITION

Classification: 210/435

(under subclass 348) Apparatus wherein the filter medium is totally positioned in a casing which is imperforate except for flow line means for introducing and discharging fluid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

287+, for similar structure for a particulate bed.

459+, for filters attached to a plate or the end of a pipe.

473+, for filter and receptacle combinations in which part of the receptacle may resemble a pipe, e.g., funnel neck.

SEE OR SEARCH CLASS

68, Textiles: Fluid Treating Apparatus, 208, for fluid textile treating apparatus having a drain and strainer means associated therewith.