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Class Information
Number: 4/693
Name: Baths, closets, sinks, and spittoons > Drain, overflow or trap for a sink or bath > Drain valve > Operating means in sink or bath
Description: Subject matter wherein the apparatus has a valve that cooperates in a sealing relationship with the seat in the waste outlet in the basin and has an actuator within the basin to shift the valve between a closed and open position in the drain opening of the sink or bath to control the flow of fluid.










Patents under this class:

Patent Number Title Of Patent Date Issued
8407829 Coupling for a faucet lift rod Apr. 2, 2013
8210442 System and method for conserving water Jul. 3, 2012
8201289 Combined control for a basin overflow and a basin drain Jun. 19, 2012
8201581 Waste water outlet Jun. 19, 2012
8096002 Height adjustable shower waste Jan. 17, 2012
8079098 Pull rod coupling Dec. 20, 2011
7530123 Automatic drain May. 12, 2009
6973685 Bladder stopper and control assembly Dec. 13, 2005
6966077 Apparatus for automatically operating a drain valve in a washstand Nov. 22, 2005
6484330 Combined faucet and drain assembly Nov. 26, 2002
6347417 Drain plug device Feb. 19, 2002
6308351 Electromatic pop up drain Oct. 30, 2001
6219861 Drain structure for a sink Apr. 24, 2001
5925242 Sand trap and flow controller mechanism for a bathtub Jul. 20, 1999
5809587 Safety device for a suction outlet Sep. 22, 1998
5394572 Self adjust tub drain stop Mar. 7, 1995
5333327 Apparatus for opening and closing a drain Aug. 2, 1994
5092003 Water conservation device Mar. 3, 1992
4926507 Adjustable drain closure May. 22, 1990
4908883 Vandal resistant push-pull drain stopper Mar. 20, 1990
4764993 Two-position latchable drain valve Aug. 23, 1988
4176821 Pilot-operated valve assembly Dec. 4, 1979
4006498 Adapter for bathtub drain Feb. 8, 1977











 
 
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