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Class Information
Number: 4/392
Name: Baths, closets, sinks, and spittoons > Flush closet > Tank only > With outlet valve > Swinging
Description: Subject matter wherein the valve is caused to follow a curved path by an element having one end attached thereto and its other end fixedly attached to the tank or structure element therein.










Sub-classes under this class:

Class Number Class Name Patents
4/393 Pivoted 87


Patents under this class:

Patent Number Title Of Patent Date Issued
8590066 Offset outlet flush valve Nov. 26, 2013
8510876 Drain valve device for cleaning water tank, and drain valve for drain valve device Aug. 20, 2013
8250681 Variable buoyancy setting flapper Aug. 28, 2012
8230532 Replacement fitting for toilet flush valves Jul. 31, 2012
8104103 Toilet flapper flush valve assembly Jan. 31, 2012
7891028 Water-saving manual toilet flapper valve Feb. 22, 2011
6651264 Flush valve attachment system with low-profile outlet end Nov. 25, 2003
6615415 Tank valve for a lavatory Sep. 9, 2003
6339882 Flush valve Jan. 22, 2002
5966749 Adjustable flush valve Oct. 19, 1999
5794279 Water saver attachment for toilets Aug. 18, 1998
5341522 Water conservation device for use in toilet tanks Aug. 30, 1994
5218725 Flush valve water accelerator Jun. 15, 1993
5173971 Replacement flush valve Dec. 29, 1992
5157796 Double flush toilet valve Oct. 27, 1992
5153948 Water saver for flush toilet Oct. 13, 1992
4953237 Two stage flapper valve for fluid reservoirs Sep. 4, 1990
4698859 Flapper flush valve assembly Oct. 13, 1987
4639951 Wear plate for flush valve assembly Feb. 3, 1987
4497076 Dual flush system for controlling flush water in water closet Feb. 5, 1985
4433446 Flush valve attachment system Feb. 28, 1984
4419773 Adjustable tank discharge valve for controlling flush water volume Dec. 13, 1983
4365364 Toilet flush control using a hollow crown instant close flapper valve Dec. 28, 1982
4365365 Flush valve and means for mounting the same Dec. 28, 1982
4155128 Toilet tank flush valve assembly May. 22, 1979
4134165 Flush toilet accessory Jan. 16, 1979











 
 
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