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Class Information
Number: 4/393
Name: Baths, closets, sinks, and spittoons > Flush closet > Tank only > With outlet valve > Swinging > Pivoted
Description: Subject matter wherein the element attached to the valve is rigid and is relatively rotatable about a fixed axis with respect to a stationary element.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8690123 Flapper drain valve adjusting structure Apr. 8, 2014
8590066 Offset outlet flush valve Nov. 26, 2013
8397319 Add-on flush control mechanism to provide water conservation Mar. 19, 2013
8365320 Universal flush valve system Feb. 5, 2013
8307594 Toilet flapper and method Nov. 13, 2012
8230532 Replacement fitting for toilet flush valves Jul. 31, 2012
8196898 Water-stop plug of flush valve Jun. 12, 2012
8122526 Adjustable universal flapper Feb. 28, 2012
8104103 Toilet flapper flush valve assembly Jan. 31, 2012
8087106 Flapper valve apparatus and method of use Jan. 3, 2012
7891028 Water-saving manual toilet flapper valve Feb. 22, 2011
7636958 Flush valve with adjustable overflow tube and method for installing a toilet valve Dec. 29, 2009
7415736 EcoBeta Aug. 26, 2008
7216373 Toilet tank valve seat structure May. 15, 2007
6829787 Water saving dual flush system of valving Dec. 14, 2004
6804843 Flush tank capable of receiving waste water Oct. 19, 2004
6651264 Flush valve attachment system with low-profile outlet end Nov. 25, 2003
6571401 Flush and tap toilet water saver system Jun. 3, 2003
6415456 Adjustable universal flapper Jul. 9, 2002
6401268 Flush valve and flapper, and method of ensuring a good seal between a valve seal and a valve seat Jun. 11, 2002
6401269 Flapper valve with dual action arm Jun. 11, 2002
6381765 Dual-mode flushing control mechanism for ballfloat toilet May. 7, 2002
6173457 Flapper-type flush valve and mounting adapter Jan. 16, 2001
5983412 Toilet tank ball flapper and plastic chain assembly formed as a unitary structures Nov. 16, 1999
5943708 Adjustable tank ball assembly for a two-step flushing control type ballfloat toilet Aug. 31, 1999
5924143 Toilet bowl refill device Jul. 20, 1999
5903931 Toilet with dual volume flush May. 18, 1999
5848442 Flush valve attachment system Dec. 15, 1998
5524297 Two-level flush valve Jun. 11, 1996
5390375 Adjustable toilet tank valve to regulate flush water volume Feb. 21, 1995
5291620 Push button toilet flush mechanism Mar. 8, 1994
5237711 Multiple flush toilet valve assembly Aug. 24, 1993
5230103 Short cycle flush valve for commode tanks Jul. 27, 1993
5218725 Flush valve water accelerator Jun. 15, 1993
5195189 Water saving device and method of using same Mar. 23, 1993
5182819 Universal commode stopper Feb. 2, 1993
5181282 Semi-flush flapper valve Jan. 26, 1993
5175895 Flapper valve mounting adapter Jan. 5, 1993
5173971 Replacement flush valve Dec. 29, 1992
5153948 Water saver for flush toilet Oct. 13, 1992
5138725 Travel limiting flapper valve mounting adapter Aug. 18, 1992
5117514 Improved toilet-tank flapper valve Jun. 2, 1992
5090066 Adapter for toilet fitting Feb. 25, 1992
5023960 Toilet flapper valve control apparatus Jun. 18, 1991
5003644 Two-stage water discharge mechanism for flush toilet tank Apr. 2, 1991
4953237 Two stage flapper valve for fluid reservoirs Sep. 4, 1990
4910812 Semi-flush valve mechanism Mar. 27, 1990
4910813 Flapper valve and valve seat sizing element Mar. 27, 1990
4872473 Dual float valve control for regular and douglas type valve Oct. 10, 1989
4841579 Flush valve with snap-on flapper Jun. 27, 1989

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