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Class Information
Number: 4/227.1
Name: Baths, closets, sinks, and spittoons > Disinfection > Dispensing to water in flush tank
Description: Subject matter wherein the apparatus discharges a chemical into the reservoir of water, used to wash out a closet bowl, of a flush closet for the purpose of disinfecting, deodorizing, cleaning, or coloring the water.










Sub-classes under this class:

Class Number Class Name Patents
4/227.2 Float actuated 26
4/227.4 Water level actuated 34


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8332969 Automatic control and battery power supply Dec. 18, 2012
8291523 Liquid dispensing device Oct. 23, 2012
8266728 Toilet device with cleanser and fragrance Sep. 18, 2012
8209788 Chemical solution distributing apparatus and chemicals Jul. 3, 2012
8181282 Toilet balls with flushing water distributor May. 22, 2012
8166580 Dispensing device and valve for use therewith May. 1, 2012
8161579 Toilet tank mounted odor eliminator Apr. 24, 2012
8112824 Dosing device for a toilet Feb. 14, 2012
8095997 Modular cartridge based liquid dispenser system for toilets and bidets Jan. 17, 2012
8032953 Liquid dispensing device Oct. 11, 2011
8015628 On-tank toilet dispenser Sep. 13, 2011
8015629 Dispensing device Sep. 13, 2011
7818822 Toilet tank water purifier Oct. 26, 2010
7549181 Toilet lid apparatus Jun. 23, 2009
7449107 Dehydration toilet having an infusion odor capturing steam and water recovery system Nov. 11, 2008
7441283 Flush toilet with add-on liquid dispenser Oct. 28, 2008
7096515 Cartridge device and method for adding supplements to a toilet cistern Aug. 29, 2006
7073209 Passive sanitizing-tablet dispensing device Jul. 11, 2006
7007312 Automatic cleaning assembly for a toilet bowl Mar. 7, 2006
6993795 Portable liquid dispensers Feb. 7, 2006
6948193 Lavatory cleanser dispensing device Sep. 27, 2005
6944890 Automatic cleaning assembly for a toilet bowl Sep. 20, 2005
6748610 In-tank dispenser with flexible supported valve head Jun. 15, 2004
6738989 Dispenser for use in a tank of water May. 25, 2004
6691328 Fluid dispensing bottle having a refillable reservoir and a metering section Feb. 17, 2004
6662379 Toilet cleaning dispenser system with removable cartridge Dec. 16, 2003
6654970 Passive quantitative liquid dispenser Dec. 2, 2003
6651260 Toilet tank top with easy access to drop in deodorizing discs Nov. 25, 2003
6582668 Buoyant dispensing device Jun. 24, 2003
6240573 Apparatus for dispensing detergent Jun. 5, 2001
6212692 Automatic quantitative regulator for dissolvent in water tank Apr. 10, 2001
6151722 Toilet cleaner dispensing system Nov. 28, 2000
6124251 Toilet bowl cleaning tablet Sep. 26, 2000
5987655 Flush tank water conditioner Nov. 23, 1999
5990061 Toilet cleansing block Nov. 23, 1999
5945390 Toilet cleansing block Aug. 31, 1999
5774903 Device for dispensing a chemical composition into a toilet tank Jul. 7, 1998
5763376 Lavatory cleaning block Jun. 9, 1998
5756440 Solid, water-degradable disinfectant and cleanser composition, and associated methods of manufacture and use May. 26, 1998
5689837 Water actuated toilet fan Nov. 25, 1997
5673439 Toilet detergent dispenser Oct. 7, 1997
5593648 Child-resistant dispensing device for automatic washing machines Jan. 14, 1997
5578559 Lavatory cleaning block Nov. 26, 1996
5551095 Liquid releasing device with an adjustable mounting unit for mounting on a rim of a water tank Sep. 3, 1996
5317762 Automatic toilet cleaner device Jun. 7, 1994
5312624 Drain treatment product and method of use May. 17, 1994
5312601 Pond fertilizing apparatus May. 17, 1994
5249314 Water closet volume reducer Oct. 5, 1993
5188755 Surface erodible controlled releasing, free standing cleansing block and cleaning method for the domestic water closet Feb. 23, 1993
5073993 Toilet bowl dispenser hanger Dec. 24, 1991

1 2 3










 
 
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