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Class Information
Number: 55/495
Name: Gas separation > With means securing or retaining separating media > Unit or cohesive sheet-like media in flow line or frame
Description: Apparatus comprising a separating media which is either of self-sustaining form, encased or form maintained, or of coherent sheet form (not loose and particulate), said separating media being either retained in a flow line or retained in a peripheral support.










Sub-classes under this class:

Class Number Class Name Patents
55/504 Aligned stop, media and removable retainer 196
55/510 Annular unit held between dished or plate-like end members for top and bottom support 343
55/509 Distorted media in flow line or resilient retaining means 165
55/511 Edge supported or secured only 344
55/497 Edge supporting or securing means for nonplanar sheet form filter (e.g., zigzag) 473
55/500 Flexible sheet type maintained in nonplanar configuration 318
55/505 Flow line end coupling (e.g., pipe end) 204
55/502 Gasket or sealing means 1,217
55/503 Media within joinable or separable flow line sections 412
55/508 Suspended or supported by bracket or from top of frame 184
55/501 With additional support means not positively engaged or joined to media (e.g., across face of filter) 314
55/496 With adjustable connector or size adjusting means 136


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
6776815 Particulate filter Aug. 17, 2004
6773479 Particulate filter for diesel engines Aug. 10, 2004
6758877 Filter and method for manufacturing the filter Jul. 6, 2004
6743282 Furnace filter system Jun. 1, 2004
6743274 Filter and production method thereof Jun. 1, 2004
6740149 Air cleaner May. 25, 2004
6723150 Air filter with expandable filter media Apr. 20, 2004
6716265 Air treatment apparatus with an interchangeable vent cover Apr. 6, 2004
6716274 Air filter assembly for filtering an air stream to remove particulate matter entrained in the stream Apr. 6, 2004
6716266 Dust filter Apr. 6, 2004
6712889 Air filtration device Mar. 30, 2004
6709499 Air-routing household appliance with a washable filter Mar. 23, 2004
6695891 Keyed system for connection of filter cartridge to filter holder Feb. 24, 2004
6682576 Air filter medium, process of producing filter medium, air filter pack for air filters, and air filter unit for air filters Jan. 27, 2004
6652615 Seal for filter element Nov. 25, 2003
6648947 Method and apparatus for replacing a filter Nov. 18, 2003
6632269 Furnace filter assembly Oct. 14, 2003
6610126 Filter element having sealing members and methods Aug. 26, 2003
6602328 Gas turbine suction air filter, a gas turbine using the same and a method for using the same Aug. 5, 2003
6599342 Filter cartridge Jul. 29, 2003
6579337 Reinforced, bendable filter element Jun. 17, 2003
6569219 Air filter with serviceable filter media May. 27, 2003
6558457 Drying agent box May. 6, 2003
6555364 Biological deodorizing apparatus assembled with box-like frame units Apr. 29, 2003
6524361 Micro-porous filter Feb. 25, 2003
6506237 Pressure transmission apparatus Jan. 14, 2003
6497740 Snap-in vent filter assembly Dec. 24, 2002
6447566 Air filtration system with recessed filter and edge banding Sep. 10, 2002
6447587 Air filtration device Sep. 10, 2002
6419721 Coalescing filters Jul. 16, 2002
6406509 Extruded profile filter framing Jun. 18, 2002
6402822 Furnace filter system Jun. 11, 2002
6389994 Furnace with front panel assembly May. 21, 2002
6383264 Biomagnetic filter May. 7, 2002
6379410 Air filter assembly for motor vehicles Apr. 30, 2002
6361578 Easy-attach air-duct filter frame Mar. 26, 2002
6328791 Air filtration device Dec. 11, 2001
6306192 Housing Oct. 23, 2001
6168653 Pressure transmission apparatus Jan. 2, 2001
6126707 Disposable air filter with improved frame Oct. 3, 2000
6099608 Rotating filtration cartridge and blower for HVAC applications Aug. 8, 2000
6059852 Plastic injection molded furnace filter May. 9, 2000
6033454 Air filter assembly Mar. 7, 2000
6004367 Front access cover for air purifier Dec. 21, 1999
5935281 Filter apparatus Aug. 10, 1999
5935282 Cabinet panel having a removable filter element Aug. 10, 1999
5895510 Air filter assembly Apr. 20, 1999
5882367 Rotatable sealed filter outlet Mar. 16, 1999
5863310 Grill/filter mounting assembly Jan. 26, 1999
5863312 Non-entraining filter Jan. 26, 1999

1 2 3 4 5 6 7










 
 
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