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Gas Separation Patents (Class 55)

With nonliquid cleaning means for separating media (Class 55/282)
Aircraft anti-ingestion means (e.g., aircraft debris guard) (Class 55/306)
Filter or apertured deflector unit discontinuous across gas flow within flow conduit (Class 55/307)
With separating media bypass or system gas pressure relief (e.g., rupturable or deformable) (Class 55/309)
Plural serial basically diverse separating media (Class 55/315)
With recycle means (Class 55/338)
Multiple bag type filters in chamber (Class 55/341.1)
Multiple separators, each with discrete and longitudinally confined gas inlet or outlet flow path (Class 55/342)
With means for advancing clean portions of continuous or indefinite length separating media into gas stream (Class 55/351)
With liquid trap seal or valve (Class 55/355)
With means facilitating transportability or handling of apparatus (Class 55/356)
With ground support means (nonflow conducting) (Class 55/358)
With portion of cover removable (Class 55/359)
With electrical grounding means (Class 55/360)
Flexible or collapsible bag type (Class 55/361)
With remote fan or pump and unconfined flow to separator (Class 55/383)
Combined or convertible (Class 55/385.1)
Restricted annular mixture inlet to collector zone around gas outlet conduit attached baffle (Class 55/391)
With guide means effecting removal of constituent layer out of gas stream (Class 55/392)
Mounted or supported for continuous motion (Class 55/400)
With separated gas outflow control (e.g., apertured conduit) (Class 55/410)
With inflow gas control or distribution (Class 55/418)
With means for liquid separation (Class 55/421)
Separating media adjustable to various positions of use or to nonuse (Class 55/422)
Means within gas stream for conducting concentrate to collector (Class 55/423)
With concentrate backflow or re-entrainment preventing means (Class 55/424)
Residue access, handling or removing means (Class 55/428)
Deflector (Class 55/434)
With separated nongaseous material conducting or treating means (Class 55/466)
With gas flow effecting means (Class 55/467)
With particulate solids movement during use or agitating means therefor (Class 55/474)
With means adjustable to control compactness of separating media (Class 55/475)
With means introducing gas into midst of separating media (Class 55/476)
Strands or bristles with unsupported or free extremities (e.g., brush type) (Class 55/477)
With separate flow line access means or filter media passage means offset to flow path (Class 55/478)
Two or more separators (e.g., spaced filters in flow line or casing) (Class 55/482)
With means securing or retaining separating media (Class 55/490)
Spiral filter media (Class 55/520)
Zigzag, corrugated, or conical (Class 55/521)
Specific media material (Class 55/522)
Miscellaneous (e.g., shapes) (Class 55/529)

Foreign Patent Art Collections

Class-related foreign documents (Class 55/FOR000)

Digests

Graduated electrostatic field (Class 55/DIG1)
Vacuum cleaner bags (Class 55/DIG2)
Vacuum cleaner (Class 55/DIG3)
Methods of making filter (Class 55/DIG5)
Magnetic couplings (Class 55/DIG6)
Black liquor treatment (Class 55/DIG7)
Built-in vacuum cleaners (Class 55/DIG8)
Radioactive filters (Class 55/DIG9)
Residue burned (Class 55/DIG10)
Pocket type filter (Class 55/DIG12)
Polyurethane filters (Class 55/DIG13)
Inertia separator (Class 55/DIG14)
Cold traps (Class 55/DIG15)
Compressed air water removal (Class 55/DIG17)
Work bench (Class 55/DIG18)
Crankcase ventilation (Class 55/DIG19)
Spark arrester (Class 55/DIG20)
Silencer cleaner (Class 55/DIG21)
Steam separators (Class 55/DIG23)
Viscous coated filter (Class 55/DIG24)
Agglomerators (Class 55/DIG25)
Bag coupling (Class 55/DIG26)
Cleaners, liquid (Class 55/DIG27)
Carburetor attached (Class 55/DIG28)
Air curtains (Class 55/DIG29)
Exhaust treatment (Class 55/DIG30)
Filter frame (Class 55/DIG31)
Gaseous fluid conveying (Class 55/DIG32)
Gas mask canister (Class 55/DIG33)
Indicator and controllers (Class 55/DIG34)
Respirators and register filters (Class 55/DIG35)
Kitchen hoods (Class 55/DIG36)
Louvers (Class 55/DIG37)
Tubular collector electrode (Class 55/DIG38)
Electrets separator (Class 55/DIG39)
Foam filter materials (Class 55/DIG42)
Knitted filter mediums (Class 55/DIG43)
Pile and pile-type filter mediums (Class 55/DIG44)
Woven filter mediums (Class 55/DIG45)
Spray booths (Class 55/DIG46)