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Class Information
Number: 55/359
Name: Gas separation > With portion of cover removable
Description: Apparatus having a cover provided with means whereby a portion of said cover is easily removable, the cover enclosing, sealing or embracing an apparatus part to render the part nonusable until the portion is mutilated, torn or removed.

Patents under this class:

Patent Number Title Of Patent Date Issued
8636003 Oxygen supply system for generating oxygen from cabin air in an aircraft Jan. 28, 2014
8544142 Dust container and dust collector using the same Oct. 1, 2013
8343247 Filter module Jan. 1, 2013
8152901 Gas adsorbing device, vacuum heat insulator making use of gas adsorbing device and process for producing vacuum heat insulator Apr. 10, 2012
8147598 Gas adsorbing device, vacuum heat insulator making use of gas adsorbing device and process for producing vacuum heat insulator Apr. 3, 2012
7988770 Gas adsorbing device, vacuum heat insulator making use of gas adsorbing device and process for producing vacuum heat insulator Aug. 2, 2011
7972401 Air intake filter assembly Jul. 5, 2011
7479175 Safety lid for air conditioning device and method of use Jan. 20, 2009
7320719 Filter device method of manufacturing the same and method of replacing a filter device Jan. 22, 2008
7086119 Dust collecting unit of vacuum cleaner Aug. 8, 2006
7077893 Hood for a filter ventilator Jul. 18, 2006
7052523 Bagless canister vacuum cleaner May. 30, 2006
6829805 Locking device for exhaust filter of vacuum cleaner Dec. 14, 2004
6773478 Gravity-induced ash removal system for particulate filters Aug. 10, 2004
6712868 Bagless canister vacuum cleaner Mar. 30, 2004
6584768 Vehicle exhaust filtration system and method Jul. 1, 2003
6533833 Method of apparatus for air and liquid vacuuming Mar. 18, 2003
6314610 Vacuum cleaner bag housing assembly Nov. 13, 2001
6117201 Easily storable dust collecting container Sep. 12, 2000
5997619 Air purification system Dec. 7, 1999
5958112 Air-cleaning apparatus Sep. 28, 1999
5803939 Industrial dust collector and method for its use Sep. 8, 1998
5792225 Dust and lint collection device Aug. 11, 1998
5531807 Apparatus and method for supplying oxygen to passengers on board aircraft Jul. 2, 1996
5525396 Lid for a particle collector Jun. 11, 1996
5242588 Filter unit assembly Sep. 7, 1993
5192347 Filter assembly Mar. 9, 1993
5089037 Industrial vacuum cleaning apparatus Feb. 18, 1992
4898602 Selectively openable filtering assembly Feb. 6, 1990
4653200 Lint screen shield assembly for a dryer Mar. 31, 1987
4628689 Internal combustion engine exhaust system Dec. 16, 1986
4571250 Ash container Feb. 18, 1986
4460392 Filter for ostomy bags Jul. 17, 1984
4443235 Self-cleaning cabinet dust collector Apr. 17, 1984
4373635 Filters Feb. 15, 1983
4360947 Dust collector Nov. 30, 1982
4320755 Air supply units Mar. 23, 1982
4227893 Mobile vacuum loader Oct. 14, 1980
4198216 Arrangement for the exchange of filter elements Apr. 15, 1980
4097254 Baghouse with double pass traveling purge head Jun. 27, 1978
4088461 Combination of a supplementary filter and respirator filter May. 9, 1978
3951627 Air filtering apparatus Apr. 20, 1976

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