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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 5312601 |
Pond fertilizing apparatus |
May. 17, 1994 |
| 5312624 |
Drain treatment product and method of use |
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 |
| 5073992 |
Lavatory assembly |
Dec. 24, 1991 |
| 5073993 |
Toilet bowl dispenser hanger |
Dec. 24, 1991 |
| 4967777 |
Apparatus for treating substrates with a liquid |
Nov. 6, 1990 |
| 4911859 |
Toilet bowl cleaners containing iodophors |
Mar. 27, 1990 |
| 4911858 |
Toilet bowl cleaner |
Mar. 27, 1990 |
| 4899398 |
In-tank toilet dispenser |
Feb. 13, 1990 |
| 4861511 |
Toilet bowl cleaner and stain-inhibiting composition |
Aug. 29, 1989 |
| 4817214 |
Pool cleaning chlorine envelope |
Apr. 4, 1989 |
| 4787984 |
Cleaning composition and its method of use |
Nov. 29, 1988 |
| 4780236 |
Lavoratory cleansing block containing polyethylene gycol disteatrate, guar gum and sodium chloride |
Oct. 25, 1988 |
| 4773103 |
Adjustable toilet cleaner dispenser |
Sep. 27, 1988 |
| 4755354 |
Bromide activated hypochlorite cleaning of soiled toilet bowls |
Jul. 5, 1988 |
| 4741853 |
Solid bleaching block |
May. 3, 1988 |
| 4738728 |
Lavatory cleansing blocks containing polyvalent metal salts to control in-use block life |
Apr. 19, 1988 |
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