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Browse by Category: Main > Household
Class Information
Number: 4/227.7
Name: Baths, closets, sinks, and spittoons > Disinfection > Dispensing to water in flush tank > Water level actuated > Static dispenser (i.e., no moving part) > Having a flush water dosing chamber > With a siphon
Description: Subject matter wherein the dispenser uses the suction created by the weight of falling water to discharge the concentrated solution in the dosing chamber into the flush 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
8291523 Liquid dispensing device Oct. 23, 2012
8015628 On-tank toilet dispenser Sep. 13, 2011
6948193 Lavatory cleanser dispensing device Sep. 27, 2005
6748610 In-tank dispenser with flexible supported valve head Jun. 15, 2004
6647558 Dispenser for sanitizing/deodorant surfactant liquids, particularly for toilet bowls Nov. 18, 2003
6526599 Passive dispenser fordosing and issuing a predetermined amount of dispensable liquid Mar. 4, 2003
6119281 Devices for metering fluids in response to level changes Sep. 19, 2000
6101639 Device for dispensing toilet bowl cleaning agent Aug. 15, 2000
5317762 Automatic toilet cleaner device Jun. 7, 1994
4823410 Dispensers Apr. 25, 1989
4745638 Passive dispenser having delayed discharge May. 24, 1988
4709424 Automatic toilet bowl cleaner device Dec. 1, 1987
4707866 Device for adding disinfectants or the like to the flushing water of a WC Nov. 24, 1987
4597941 Toilet cleaning article and method for codispensing disinfectant and dye having resistance to spectral degradation Jul. 1, 1986
4507812 Dispenser for a toilet Apr. 2, 1985
4485500 Gas binding resistant chemical dispenser Dec. 4, 1984
4480341 Passive dispenser Nov. 6, 1984
4480342 Passive dispenser Nov. 6, 1984
4459710 Passive dispenser Jul. 17, 1984
4453278 Chemical dispenser Jun. 12, 1984
4438534 Passive dispenser Mar. 27, 1984
4434136 Tapered-bottom bleach cake for sanitation dosing dispenser Feb. 28, 1984
4318891 Automatic toilet bowl cleaner Mar. 9, 1982
4307474 Passive dosing dispenser exhibiting improved resistance to clogging Dec. 29, 1981
4305162 Passive dosing dispenser employing captive air bubble to provide product isolation Dec. 15, 1981
4216027 Method and apparatus for cleansing and disinfecting a flushing toilet Aug. 5, 1980
4208747 Passive dosing dispenser employing trapped air bubble to provide air-lock Jun. 24, 1980
4186856 Self-priming passive dosing dispenser Feb. 5, 1980
4171546 Passive dosing dispenser Oct. 23, 1979











 
 
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