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Class Information
Number: 4/378
Name: Baths, closets, sinks, and spittoons > Flush closet > Tank only > With outlet valve
Description: Subject matter including a liquid flow control means to permit a quantity of flushing liquid to pass from the tank to the bowl. The flow control means includes a solid element movable from a position blocking the cross section opening of a liquid outlet pipe by covering or entering the outlet pipe, which position is referred to as the seated position of the valve.










Sub-classes under this class:

Class Number Class Name Patents
4/405 Actuator 88
4/394 Connected to float 38
4/395 Float type 44
4/392 Swinging 26
4/379 With delay of valve closing 29
4/390 With overflow through valve closure 24


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8510876 Drain valve device for cleaning water tank, and drain valve for drain valve device Aug. 20, 2013
8365320 Universal flush valve system Feb. 5, 2013
8266733 Toilet flush valve Sep. 18, 2012
8251082 Dual valve method and apparatus for limiting toilet water flow Aug. 28, 2012
8196898 Water-stop plug of flush valve Jun. 12, 2012
8185977 System for flushing of a vacuum toilet in an aircraft May. 29, 2012
8112829 Flush valve assembly structure of water tank Feb. 14, 2012
8104103 Toilet flapper flush valve assembly Jan. 31, 2012
8074303 Noise reducing valve for toilet systems Dec. 13, 2011
7895684 Canister flush valve Mar. 1, 2011
7676858 Flush valve Mar. 16, 2010
7640603 Cistern outlet valve mounting bracket assembly and a method of installing an outlet valve in cistern Jan. 5, 2010
7636958 Flush valve with adjustable overflow tube and method for installing a toilet valve Dec. 29, 2009
7634821 Canister flush valve Dec. 22, 2009
7353547 Discharge valve for a flushing cistern Apr. 8, 2008
7322053 Pressurized toilet cistern Jan. 29, 2008
7210498 "Toilet king" automatic water limiting supply shut off safety valve flo-control May. 1, 2007
7185374 Discharge valve comprising a flexible ringed tube for toilets Mar. 6, 2007
6962163 Dual-float snap-action flush valve Nov. 8, 2005
6934976 Toilet flusher with novel valves and controls Aug. 30, 2005
6910232 Toilet tank valve Jun. 28, 2005
6901610 High performance valve assembly for toilets Jun. 7, 2005
6874172 Dual discharge valve Apr. 5, 2005
6785914 Toilet bowl washer fluid reservoir drain valve spacer body Sep. 7, 2004
6732386 Rinse fluid valve for a vacuum toilet May. 11, 2004
6728975 High performance flush valve assembly May. 4, 2004
6715162 Toilet assembly Apr. 6, 2004
6651264 Flush valve attachment system with low-profile outlet end Nov. 25, 2003
6637043 Replaceable flush valve seat assembly Oct. 28, 2003
6453479 Flusher having consistent flush-valve-closure pressure Sep. 24, 2002
6434765 Top mount plumbing fixture Aug. 20, 2002
6370707 Supply-line-sealed flush controller Apr. 16, 2002
6349424 Rinse fluid valve for a vacuum toilet Feb. 26, 2002
6321395 Timed fluid-linked flush controller Nov. 27, 2001
6308348 Continuous water level controller Oct. 30, 2001
6263519 Automatic tank-type flusher Jul. 24, 2001
6237164 Toilet tank assembly May. 29, 2001
6192526 Top mounted flush valve for a toilet tank Feb. 27, 2001
6151725 Hygienic toilet tank Nov. 28, 2000
6148449 Flushing means at a lavatory installation having a toilet bowl Nov. 21, 2000
5933878 Tank device for flushing toilet bowl Aug. 10, 1999
5926861 Discharge valve Jul. 27, 1999
5920919 Toilet flush system Jul. 13, 1999
5896593 Piston flush valve Apr. 27, 1999
5864893 Water discharge assembly for a tank Feb. 2, 1999
5822804 Portable male toddler urinal Oct. 20, 1998
5692249 Top mounted flush valve Dec. 2, 1997
5673441 Flush valve for toilets Oct. 7, 1997
5671486 Decorative cover for a toilet tank Sep. 30, 1997
5669082 Flush control device for toilet Sep. 23, 1997

1 2 3










 
 
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