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Class Information
Number: 4/249
Name: Baths, closets, sinks, and spittoons > Flush-valve operators
Description: The miscellaneous subclass for devices for operating flush valves or supply valves.










Sub-classes under this class:

Class Number Class Name Patents
4/250 Seat operated 22


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8613115 Monitoring device for a vacuum toilet Dec. 24, 2013
8397317 Flush actuator assembly and method therefor Mar. 19, 2013
8286273 Toilet foot flushing apparatus Oct. 16, 2012
8266730 Hands-free toilet attachment Sep. 18, 2012
8070128 Manual or automatic actuation system Dec. 6, 2011
7975322 Foot pedal toilet flush device Jul. 12, 2011
7913327 Automatically flushing toilet Mar. 29, 2011
7861330 Universal toilet tank lever Jan. 4, 2011
7818823 Combination urinal/toilet flusher and grabber assembly Oct. 26, 2010
7793363 Flushing mechanism for toilet Sep. 14, 2010
7581263 Toilet flush water opening device provided with an electrohydraulic actuator Sep. 1, 2009
7549436 System and method for converting manually operated flush valves Jun. 23, 2009
7437778 Automatic bathroom flushers Oct. 21, 2008
7302713 Hands-free toilet and urinal flushing device Dec. 4, 2007
7140050 Automatic flushing actuator for tank style toilet Nov. 28, 2006
7063103 System for converting manually-operated flush valves Jun. 20, 2006
6978490 Automatically operated handle-type flush valve Dec. 27, 2005
6968579 Flushing activator and toilet seat and lid lifting and closing mechanism Nov. 29, 2005
6907621 Toilet seat lifter with flusher Jun. 21, 2005
6860282 System and method for converting manually-operated flush valve Mar. 1, 2005
6772452 Laminar flow attachment for controlling toilet bowl splashing Aug. 10, 2004
6718562 Foot-operated toilet flushing device Apr. 13, 2004
6643853 Automatically operated handle-type flush valve Nov. 11, 2003
6543066 Washing water supply apparatus Apr. 8, 2003
6499155 Toilet flush handle protector and dispensing mechanism Dec. 31, 2002
6385786 Two-stage flush device for a toilet water tank May. 14, 2002
6244829 Liquid forced-feed apparatus Jun. 12, 2001
6233751 Toilet flushing and seat lifting system May. 22, 2001
6115851 Toilet flushing apparatus Sep. 12, 2000
6035457 Toilet tank flush handle Mar. 14, 2000
5956779 Hydraulic drive urinal flushing system Sep. 28, 1999
5875499 Recreational vehicle toilet with flush nozzle deflector shield Mar. 2, 1999
5829067 Toilet seat lift assembly Nov. 3, 1998
5822805 Toilet flush actuator Oct. 20, 1998
5771502 Flush lever assembly that prevents flushing of the toilet unless the seat and lid are in a lowered position Jun. 30, 1998
5708990 Commode flush accessory Jan. 20, 1998
5553334 Toilet designed to facilitate bowel movements Sep. 10, 1996
5548850 Toilet with two flush modalities Aug. 27, 1996
5349703 Toilet lid for flushing a toilet Sep. 27, 1994
5339468 Hopper lid and the flush mechanism of a flush toilet Aug. 23, 1994
5170513 Toilet flusher for disabled people Dec. 15, 1992
5142708 Footflush adapter for urinals Sep. 1, 1992
5073998 Toilet tank cover Dec. 24, 1991
5068925 Foot flush adaptor Dec. 3, 1991
5060320 Recreational vehicle toilet with foot pedal flush Oct. 29, 1991
5056165 Commode flush and seat lift apparatus Oct. 15, 1991
4979238 Combination toilet seat lifter and toilet flusher Dec. 25, 1990
4881279 Dual flush mechanism Nov. 21, 1989
4876751 Automatic toilet flush control system Oct. 31, 1989
4868931 Apparatus for activating flush valves for urinals and toilet bowls Sep. 26, 1989

1 2










 
 
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