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Class Information
Number: 4/302
Name: Baths, closets, sinks, and spittoons > Flush closet > Urinals only > Flush actuation automatically responsive to condition
Description: Subject matter having means to cause a flushing device to operate when an automatic condition occurs.










Sub-classes under this class:

Class Number Class Name Patents
4/305 By electric condition responsive means 49
4/304 By radiant energy responsive means 82
4/303 Periodic flush 8


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8387171 Microflush urinal with oscillating nozzle Mar. 5, 2013
8234724 Automatic dual flush activation Aug. 7, 2012
8201282 High efficiency urinal system Jun. 19, 2012
8136174 Urinal Mar. 20, 2012
8082607 Sanitary cleansing apparatus and toilet apparatus Dec. 27, 2011
RE42840 Stool flushing device Oct. 18, 2011
7814582 System and method for measuring and monitoring overflow or wetness conditions in a washroom Oct. 19, 2010
7797769 Sanitary, user activated, water saving, motion sensing flushing method and device Sep. 21, 2010
7650652 Toilet bowl water level indication Jan. 26, 2010
7415737 Automatic flusher for tank-type toilet Aug. 26, 2008
7325781 Automatic bathroom flushers with modular design Feb. 5, 2008
7047574 System and method for automatically varying a volume of a liquid held by a toilet receptacle May. 23, 2006
6996863 Automatic faucet control device and control method Feb. 14, 2006
6978490 Automatically operated handle-type flush valve Dec. 27, 2005
6948194 Stool flushing device Sep. 27, 2005
6879320 Auto-control display device incorporated with lavatory system Apr. 12, 2005
6862754 Dual phase flush urinal Mar. 8, 2005
6757919 Automatically operated handle-type flush valve Jul. 6, 2004
6671890 Automatic water feed method in lavatory using artificial retina sensor and automatic water feed mechanism in lavatory using artificial retina sensor Jan. 6, 2004
6643853 Automatically operated handle-type flush valve Nov. 11, 2003
6640356 Method for transmitting and evaluating advertising and information in toilet facilities and a display arrangement for carrying out said method in a urinal or toilet area Nov. 4, 2003
6619614 Automatic flow controller employing energy-conservation mode Sep. 16, 2003
6598245 Automatic water feed method in lavatory and automatic water feed mechanism in lavatory Jul. 29, 2003
6581215 Sterilizing and air conditioning electronic urinal Jun. 24, 2003
6560790 Flush control May. 13, 2003
6549816 Network software for a plumbing control system Apr. 15, 2003
6499152 Flush controller Dec. 31, 2002
6212697 Automatic flusher with bi-modal sensitivity pattern Apr. 10, 2001
6061843 Method for automatically triggering a flushing event May. 16, 2000
5956779 Hydraulic drive urinal flushing system Sep. 28, 1999
5901384 Toilet assembly having automatic flushing system May. 11, 1999
5822806 Wall mounted waste receptacle Oct. 20, 1998
5787517 Standing urinal Aug. 4, 1998
5634217 Urine disposal device Jun. 3, 1997
5313673 Electronic flush valve arrangement May. 24, 1994
5269028 Automatic flushing apparatus for urinals Dec. 14, 1993
5259073 Water closet flushing apparatus Nov. 9, 1993
5235706 Programmable urinal flushing delay circuit Aug. 17, 1993
5054132 Flush control system for plumbing fixture Oct. 8, 1991
4793588 Flush valve with an electronic sensor and solenoid valve Dec. 27, 1988
4688277 Automatic faucet apparatus Aug. 25, 1987
4598726 Ultrasonically operated water faucet Jul. 8, 1986
4575880 Auto-flush system Mar. 18, 1986
4570272 Toilet bowl flushing device Feb. 18, 1986
4520513 Automatic vacuum urinal flush mechanism Jun. 4, 1985
4471498 Flush control Sep. 18, 1984
4443898 Automatic toilet flushing device Apr. 24, 1984
4402095 Ultrasonically operated water faucet Sep. 6, 1983
4338690 Automatic mechanism for flush and raising toilet seat Jul. 13, 1982
4329745 Automatic weight operated toilet flushing device May. 18, 1982

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