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Class Information
Number: 4/325
Name: Baths, closets, sinks, and spittoons > Flush closet > Manual selection of the amount of flush > Alternate unicyclic flush
Description: Subject matter wherein the manual means for selectively controlling the flush is an arrangement for releasing either substantially all or a preselected portion of a quantity of liquid held in a flush tank. Each release completes a cycle and the operator must start another cycle.










Sub-classes under this class:

Class Number Class Name Patents
4/326 Plural flush valves 72


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8438670 High performance siphonic toilet capable of operation at multiple flush volumes May. 14, 2013
8201283 Toilet tank valve structure Jun. 19, 2012
8151378 Pressure flushing device Apr. 10, 2012
8142572 Lavatory pan washing apparatus and washing method Mar. 27, 2012
8141178 Water saving triple flush mechanism for a toilet cistern Mar. 27, 2012
8117687 Diverter valve with minimum bias forces Feb. 21, 2012
8104104 Dual flush button assembly Jan. 31, 2012
8087107 Dual flush valve refill Jan. 3, 2012
8056154 Automatic flushing device with magnetic valve Nov. 15, 2011
7996927 Discharge valve for a flushing cistern Aug. 16, 2011
7992232 Toilet flush control device Aug. 9, 2011
7900290 Dual flush refill device Mar. 8, 2011
7865979 Flush valve structure for a toilet tank Jan. 11, 2011
7827627 Dual-detent retrofitable toilet flush assembly Nov. 9, 2010
7673352 Flush valve for water closets Mar. 9, 2010
7581263 Toilet flush water opening device provided with an electrohydraulic actuator Sep. 1, 2009
7452532 Transluminal application of adult stem cells for body organ tissue repair Nov. 18, 2008
7219375 Toilet flushing arrangement May. 22, 2007
7200877 Dual flush water saving toilet system Apr. 10, 2007
7062801 Two-staged toiled tank bowl control system Jun. 20, 2006
6920649 Flushing mechanism for toilet tank Jul. 26, 2005
6898808 Dual flushing mechanism May. 31, 2005
6874172 Dual discharge valve Apr. 5, 2005
6823534 Dual flush apparatus Nov. 30, 2004
6785913 Flushing mechanism for a dual flush cistern Sep. 7, 2004
6775859 Dual flush toilet Aug. 17, 2004
6746844 Determining signal transduction pathways Jun. 8, 2004
6742194 Dual capacity flush valve assembly for a toilet Jun. 1, 2004
6691332 Dual volume discharge outlet valve apparatus Feb. 17, 2004
6651265 Water saving siphon cover of a chamber pot Nov. 25, 2003
6643855 Device for controlling the discharging amount of the flush water from a toilet tank Nov. 11, 2003
6640351 Toilet flushing apparatus Nov. 4, 2003
6637041 Toilet tank discharge device Oct. 28, 2003
6581216 Commode shutoff device Jun. 24, 2003
6571401 Flush and tap toilet water saver system Jun. 3, 2003
6510563 Flush valve adapter for converting a single flush valve system to a dual flush valve system Jan. 28, 2003
6467100 Water conservation apparatus for toilet Oct. 22, 2002
6463596 Simple structured water-saving device of stool water box Oct. 15, 2002
6442772 Advanced dual-flush valve Sep. 3, 2002
6421844 Toilet flushing apparatus Jul. 23, 2002
6385786 Two-stage flush device for a toilet water tank May. 14, 2002
6370703 Odorless toilet Apr. 16, 2002
6336229 Water saving apparatus for water tank Jan. 8, 2002
6332229 Automated flap and cup cleaner water-saving toilet Dec. 25, 2001
6317899 Dual flush toilet Nov. 20, 2001
6311342 Flush activation system Nov. 6, 2001
6263520 Water discharging system for toilet Jul. 24, 2001
6244829 Liquid forced-feed apparatus Jun. 12, 2001
6178567 Multi-flush system and method Jan. 30, 2001
6151724 Toilet tank water conservation device Nov. 28, 2000

1 2 3 4 5










 
 
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