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Class Information
Number: 4/653
Name: Baths, closets, sinks, and spittoons > Wash receptacles > With drain > And water handling
Description: Subject matter including water/pipe connections to deliver or to remove water from the wash vessel.

Patents under this class:

Patent Number Title Of Patent Date Issued
8677522 Food preparation sink Mar. 25, 2014
8522800 Tile cleanup apparatus Sep. 3, 2013
8096001 Pumped drainage apparatus Jan. 17, 2012
7490376 Drain outlet with integral clamp for use with a plumbing fixture Feb. 17, 2009
7240852 Drinking fountain with automatic stagnant water flushing system Jul. 10, 2007
7240853 Emergency shower with automatic stagnant water flushing system Jul. 10, 2007
7240854 Eyewash with automatic stagnant water flushing system Jul. 10, 2007
7178739 Automatic stagnant water flushing system Feb. 20, 2007
6756151 Unidirectional draining device Jun. 29, 2004
6393635 Galley waste disposal system and method May. 28, 2002
6353944 Wash basin with protective water film Mar. 12, 2002
6223361 Galley waste disposal system May. 1, 2001
6139729 Gray water reclamation apparatus Oct. 31, 2000
6119283 Method and apparatus for evacuation of liquids Sep. 19, 2000
6101643 Portable hot sink system Aug. 15, 2000
6061847 Linkage assembly for a pop-up drain stopper May. 16, 2000
5944985 Reject water drain line installation system and apparatus for under sink reverse osmosis filter system Aug. 31, 1999
5502848 Portable garden work station Apr. 2, 1996
5330811 Disposable laminate drain cover Jul. 19, 1994
5205002 Coupling apparatus Apr. 27, 1993
5176825 System for treating food waste by centrifugal spin drum and bag filter Jan. 5, 1993
5092003 Water conservation device Mar. 3, 1992
4720879 Utility sink with pull-through rollers Jan. 26, 1988
4624020 Sink unit particularly household kitchen sink unit Nov. 25, 1986
4268392 Disposable plastic trap bag May. 19, 1981
4233693 Height-adjustable wash-basin Nov. 18, 1980
4219367 Surgical prep hand cleaning Aug. 26, 1980
4218786 Water saving trap primer Aug. 26, 1980
4158897 Siphon Jun. 26, 1979
4158243 Easy clean lavatory Jun. 19, 1979
4145768 Water conserving urinal Mar. 27, 1979
3992730 Scrub sink Nov. 23, 1976

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