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Class Information
Number: 4/397
Name: Baths, closets, sinks, and spittoons > Flush closet > Tank only > With outlet valve > Float type > Having seating guide
Description: Subject matter includes means to limit lateral valve motion as the valve approaches the seated position.










Sub-classes under this class:

Class Number Class Name Patents
4/398 Cage type 10
4/401 Plural static guides 2
4/399 Valve moves relative to guide through bottom of valve 5
4/400 Valve-attached seating element enters discharge pipe 10


Patents under this class:

Patent Number Title Of Patent Date Issued
8112829 Flush valve assembly structure of water tank Feb. 14, 2012
8079095 Limited volume high performance flush valve assembly Dec. 20, 2011
7788742 Cistern outlet valve assembly Sep. 7, 2010
6151725 Hygienic toilet tank Nov. 28, 2000
6032303 Toilet overflow prevention system Mar. 7, 2000
5588157 Toilet valve seat actuator assembly Dec. 31, 1996
5333332 Dual flush system Aug. 2, 1994
4454614 Valve arrangement for water toilets Jun. 19, 1984
4435859 Toilet flush tank Mar. 13, 1984
4338689 Self-aligning valve assembly Jul. 13, 1982
4283802 Toilet tanks with built-in water supply valve Aug. 18, 1981
4240167 Flush valve control apparatus Dec. 23, 1980
4193145 Toilet flushing valve mechanism Mar. 18, 1980
4176821 Pilot-operated valve assembly Dec. 4, 1979
4160294 Two-stage flush mechanism for toilets Jul. 10, 1979
4155128 Toilet tank flush valve assembly May. 22, 1979
4114204 Water-flow control device and method Sep. 19, 1978
3994029 Fluid control system Nov. 30, 1976
3992728 Water saving toilet device Nov. 23, 1976
3934276 Flushing cistern Jan. 27, 1976











 
 
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