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Class Information
Number: 4/650
Name: Baths, closets, sinks, and spittoons > Wash receptacles > With drain
Description: Subject matter wherein the wash vessel has an opening in the bottom for the water in the vessel to flow out by the action of gravity.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7533426 |
Gray water interface valve systems and methods |
May. 19, 2009 |
| 7503083 |
Means for covering the flange of a waste water strainer |
Mar. 17, 2009 |
| 7331070 |
Portable sink for the handicapped |
Feb. 19, 2008 |
| 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 |
| 6957452 |
Optical coupler for use with light-transmissive above-counter sinks |
Oct. 25, 2005 |
| 6857141 |
Lavatory wicker basin |
Feb. 22, 2005 |
| 6836910 |
Combination game cleaning station, portable sink and ice chest |
Jan. 4, 2005 |
| 6763533 |
Sink drainage system and method |
Jul. 20, 2004 |
| 6756151 |
Unidirectional draining device |
Jun. 29, 2004 |
| 6662387 |
Water trap |
Dec. 16, 2003 |
| 6618874 |
Waste for a washbasin of a washstand with a slot-shaped runout |
Sep. 16, 2003 |
| 6609259 |
Drain assembly and sink |
Aug. 26, 2003 |
| 6609257 |
Debridement and irrigation extremity basin |
Aug. 26, 2003 |
| 6601248 |
Drain connector |
Aug. 5, 2003 |
| 6446279 |
Stainless steel drainage surface having separated corrugated arrays |
Sep. 10, 2002 |
| 6427259 |
Outdoor portable sink with plumbing connection |
Aug. 6, 2002 |
| 6061847 |
Linkage assembly for a pop-up drain stopper |
May. 16, 2000 |
| 6049921 |
Outlet assembly |
Apr. 18, 2000 |
| 5715547 |
Laundry basin |
Feb. 10, 1998 |
| 5566404 |
Sink with wheelchair access |
Oct. 22, 1996 |
| 5561871 |
Sink with wheelchair access |
Oct. 8, 1996 |
| 5560052 |
Garbage disposal assembly with decorative sink flange mask |
Oct. 1, 1996 |
| 5458769 |
Floor drain |
Oct. 17, 1995 |
| 5413705 |
Filterless drain separator |
May. 9, 1995 |
| 5393299 |
Extremity attached containment apparatus for lavaged fluids |
Feb. 28, 1995 |
| 5330811 |
Disposable laminate drain cover |
Jul. 19, 1994 |
| 4777676 |
Sanitary appliances with an indirect outlet and hidden drainage mechanism |
Oct. 18, 1988 |
| D281449 |
Cabinet-top lavatory |
Nov. 19, 1985 |
| 4336620 |
Self-skimming dish rinser |
Jun. 29, 1982 |
| 4179760 |
Marble-patterned bathtub, basin or sink |
Dec. 25, 1979 |
| 4162545 |
Sink for wash-basins, drainbowls and the like |
Jul. 31, 1979 |
| 4158585 |
Washbasin liner method and article |
Jun. 19, 1979 |
| 4137929 |
Fingernail cleaner |
Feb. 6, 1979 |
| 4053545 |
Process for manufacturing laminated structural foam articles |
Oct. 11, 1977 |
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