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Class Information
Number: 4/227.2
Name: Baths, closets, sinks, and spittoons > Disinfection > Dispensing to water in flush tank > Float actuated
Description: Subject matter wherein the dispenser is activated by a member that is buoyed by and which uses the rise or fall of the water level in the flush tank to discharge a chemical into the water of the flush tank for the purpose of disinfecting, deodorizing, cleaning, or coloring the water.










Sub-classes under this class:

Class Number Class Name Patents
4/227.3 Valve 31


Patents under this class:

Patent Number Title Of Patent Date Issued
8032953 Liquid dispensing device Oct. 11, 2011
7549181 Toilet lid apparatus Jun. 23, 2009
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
6691328 Fluid dispensing bottle having a refillable reservoir and a metering section Feb. 17, 2004
6496987 Water-saving and automatic detergent supplier for toilet bowl Dec. 24, 2002
6374426 Dispenser for the dosage of sanitizing and/or deodorant liquids, particularly for cisterns of toilet bowls Apr. 23, 2002
6339850 Toilet including an apparatus supplying detergent to the water tank Jan. 22, 2002
6289525 Dosing apparatus Sep. 18, 2001
5924142 Automatic dispensing system Jul. 20, 1999
5839128 Antiseptic solution dispenser Nov. 24, 1998
5718006 Fluid dispenser Feb. 17, 1998
5429270 Process and apparatus for dispensing liquids to a remote bathroom fixture Jul. 4, 1995
5317762 Automatic toilet cleaner device Jun. 7, 1994
5312601 Pond fertilizing apparatus May. 17, 1994
5181281 Device for controlling dissolution of a solid cleanser Jan. 26, 1993
4915260 Float controlled dispenser Apr. 10, 1990
4899398 In-tank toilet dispenser Feb. 13, 1990
4514866 Buoyant metering dispenser May. 7, 1985
4512041 Dispensing device Apr. 23, 1985
4490861 Rotating toilet bowl dispenser Jan. 1, 1985
4370763 Automatic dosing dispenser Feb. 1, 1983
4357718 Liquid dispenser Nov. 9, 1982
4296503 In-tank bathroom deodorizer/cleaner Oct. 27, 1981











 
 
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