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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 |
| 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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