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Class Information
Number: 4/388
Name: Baths, closets, sinks, and spittoons > Flush closet > Tank only > With outlet valve > With delay of valve closing > By retarding mechanism, e.g., dashpot
Description: Subject matter having means to damp the motion of the valve blocking element into the seated position.










Sub-classes under this class:

Class Number Class Name Patents
4/389 With overflow through valve closure 3


Patents under this class:

Patent Number Title Of Patent Date Issued
8499369 Tank water conservation system Aug. 6, 2013
6308348 Continuous water level controller Oct. 30, 2001
5924143 Toilet bowl refill device Jul. 20, 1999
5864893 Water discharge assembly for a tank Feb. 2, 1999
5850639 Tank device for flushing toilet bowl Dec. 22, 1998
5673441 Flush valve for toilets Oct. 7, 1997
5524297 Two-level flush valve Jun. 11, 1996
5333332 Dual flush system Aug. 2, 1994
4593419 Flush valve control for water closet Jun. 10, 1986
4587679 Toilet flushing device May. 13, 1986
4412362 Partial flush apparatus utilizing pneumatic time delay mechanism Nov. 1, 1983
4333184 Multi-function closet stool Jun. 8, 1982
4275471 Hydraulically operated flush valve for toilet flush tanks and similar devices Jun. 30, 1981
4138749 Two-stage hydraulic flush control device Feb. 13, 1979
4134165 Flush toilet accessory Jan. 16, 1979
4014050 Apparatus employing a timer for controlling the quantity of water flushed by a toilet Mar. 29, 1977











 
 
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