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Class Information
Number: 4/227.3
Name: Baths, closets, sinks, and spittoons > Disinfection > Dispensing to water in flush tank > Float actuated > Valve
Description: Subject matter wherein the float actuates a device to control the flow of the chemical from the dispenser into the water of the flush tank for the purpose of disinfecting, deodorizing, cleaning, or coloring the water.










Patents under this class:

Patent Number Title Of Patent Date Issued
8166580 Dispensing device and valve for use therewith May. 1, 2012
7003813 Two-way valve for dispensing liquids Feb. 28, 2006
6820287 Down-stroke dispenser Nov. 23, 2004
6748610 In-tank dispenser with flexible supported valve head Jun. 15, 2004
6738989 Dispenser for use in a tank of water May. 25, 2004
6496987 Water-saving and automatic detergent supplier for toilet bowl Dec. 24, 2002
6240573 Apparatus for dispensing detergent Jun. 5, 2001
6212692 Automatic quantitative regulator for dissolvent in water tank Apr. 10, 2001
5924142 Automatic dispensing system Jul. 20, 1999
5734996 Detergent dispenser for toilets Apr. 7, 1998
5718261 Cleaning solution dispenser for use in a water tank, and water tank capable of discharging mixture of water and cleaning solution Feb. 17, 1998
5551095 Liquid releasing device with an adjustable mounting unit for mounting on a rim of a water tank Sep. 3, 1996
5488742 Toilet disinfectant release apparatus Feb. 6, 1996
5181281 Device for controlling dissolution of a solid cleanser Jan. 26, 1993
4949403 Automatic dispenser for flush tanks Aug. 21, 1990
4896382 Automatic toilet bowl cleaner with a metered dispensing of cleaning composition Jan. 30, 1990
4852191 Toilet Aug. 1, 1989
4696414 Discharge assembly Sep. 29, 1987
4663786 Dispenser May. 12, 1987
4660231 Automatic toilet bowl cleaner dispenser Apr. 28, 1987
4539717 Submergible self-priming dispenser Sep. 10, 1985
4534071 Automatic dispenser for disinfectant and bowl cleaning fluid Aug. 13, 1985
4491988 In-tank toilet bowl cleaner dispenser Jan. 8, 1985
4429809 Device for the metered release of an active ingredient Feb. 7, 1984
4415314 Metering pump Nov. 15, 1983
4346483 Float controlled liquid dispenser Aug. 31, 1982
4294369 Liquid dispensing receptacle Oct. 13, 1981
4285074 Refillable dispensing apparatus Aug. 25, 1981
4189793 Automatic liquid dispenser for an inverted bottle Feb. 26, 1980
4066187 Valve unit for liquid dispensers Jan. 3, 1978
4036407 Dosing valve Jul. 19, 1977











 
 
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