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Browse by Category: Main > Household
Class Information
Number: 4/665
Name: Baths, closets, sinks, and spittoons > Flush closet or urinal and wash receptacle > Wash receptacle water empties into toilet facility
Description: Subject matter wherein the receptacle has a drain and the drain empties into a water tank, bowl of a flush closet, or a urinal.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8672233 Water saving apparatus Mar. 18, 2014
8640269 Sanitary water conservation device Feb. 4, 2014
8613117 Sanitation Dec. 24, 2013
8607377 Water collection and distribution monitoring system and methods Dec. 17, 2013
8424557 Downspout water diversion and overflow device and water collection and overflow system employing the same Apr. 23, 2013
8375481 Shower water recycling system for toilet flushing Feb. 19, 2013
8239982 Openable twin tank flush box using recycled water Aug. 14, 2012
8141185 Self-sustaining washroom for mobile use Mar. 27, 2012
8104106 Urinal Jan. 31, 2012
7954182 Removable watertight bathtub wall Jun. 7, 2011
7937785 Pumped shower draining device May. 10, 2011
7913331 Integrated domestic utility system Mar. 29, 2011
7854852 In-drain device for the collection, extraction and diversion of gray water for reuse Dec. 21, 2010
RE41761 Gray-water recycling system Sep. 28, 2010
7443305 Hand wash monitoring system and method Oct. 28, 2008
7305724 Stowable baby bathinette Dec. 11, 2007
7121292 Gray water reclamation system and method for providing and operating same Oct. 17, 2006
6904926 Systems and methods for collecting and distributing gray water Jun. 14, 2005
6889395 Flush reservoir May. 10, 2005
6848126 Washing bowl mobile chair Feb. 1, 2005
6804843 Flush tank capable of receiving waste water Oct. 19, 2004
6802090 Lavatory-toilet combination Oct. 12, 2004
6581220 Method and appratus for aromatherapy shower Jun. 24, 2003
6516477 Shower apparatus for seated occupant Feb. 11, 2003
6477719 Low tank of flush toilet Nov. 12, 2002
6425148 Water-saving device for a toilet having a sink with a float-operated drain valve Jul. 30, 2002
6408460 Collector of unused water Jun. 25, 2002
6355160 Gray-water recycling system Mar. 12, 2002
6328882 Residential waste water recycling system Dec. 11, 2001
6314590 Drainage device Nov. 13, 2001
6282733 Method for installing a gray water reclamation system Sep. 4, 2001
6276005 Water recycling device Aug. 21, 2001
6182306 Side-mount toilet valve Feb. 6, 2001
6119285 Combination, self flush, urinal and hand wash lavatory fixture Sep. 19, 2000
6098213 Water temperature regulator Aug. 8, 2000
5937455 Electrically operated toilet water inlet valve system having a variable fill level Aug. 17, 1999
5862546 Combination, self flush, urinal and hand wash lavatory fixture Jan. 26, 1999
5855029 Compact water-saving modular bathroom fixture Jan. 5, 1999
5845346 Water recycling system Dec. 8, 1998
5813047 Toilet flushing system that allows use of gray water drained from a sink Sep. 29, 1998
5557812 Waste water reuse system Sep. 24, 1996
5522096 Toilet tank hand wash basin Jun. 4, 1996
5498330 Gray water reclamation system including plural filtration steps Mar. 12, 1996
5452956 Grey water recirculation system with odor prevention Sep. 26, 1995
5425146 Adaptable assembly for a soapy water operated toilet system Jun. 20, 1995
5406657 Water recycling device for flush toilet use Apr. 18, 1995
5345625 Bath/shower water recycling system Sep. 13, 1994
5341529 Adaptable assembly for a soapy water operated toilet system Aug. 30, 1994
5323810 Sullage diversion valve Jun. 28, 1994
5317766 Gray water recycle system Jun. 7, 1994

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