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Class Information
Number: 4/381
Name: Baths, closets, sinks, and spittoons > Flush closet > Tank only > With outlet valve > With delay of valve closing > By float releasable latch
Description: Subject matter wherein the valve is held open by a locking element upon flushing. The locking element is controlled by a float so as to be disabled by tank liquid level reaching a predetermined position.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6910232 |
Toilet tank valve |
Jun. 28, 2005 |
| 6804843 |
Flush tank capable of receiving waste water |
Oct. 19, 2004 |
| 6640351 |
Toilet flushing apparatus |
Nov. 4, 2003 |
| 6584622 |
Method and device for timer-controlled flushing of water toilets |
Jul. 1, 2003 |
| 5742951 |
Inlet valve mechanism |
Apr. 28, 1998 |
| 5023960 |
Toilet flapper valve control apparatus |
Jun. 18, 1991 |
| 4945578 |
Toilet flush control device |
Aug. 7, 1990 |
| 4882793 |
Dual flush cistern mechanism |
Nov. 28, 1989 |
| 4825478 |
Flush tank water saver |
May. 2, 1989 |
| 4748699 |
Water closet limited flush volume control system |
Jun. 7, 1988 |
| 4651359 |
Dual mode flush valve assembly |
Mar. 24, 1987 |
| 4571753 |
Toilet-tank discharge valve |
Feb. 25, 1986 |
| 4483024 |
Variable flush water closet |
Nov. 20, 1984 |
| 4391003 |
Water-saving device for use with toilets |
Jul. 5, 1983 |
| 4351071 |
Water-saving device |
Sep. 28, 1982 |
| 4185338 |
Toilet flushing apparatus |
Jan. 29, 1980 |
| 4117556 |
Flush water conserver |
Oct. 3, 1978 |
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