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Class Information
Number: 4/348
Name: Baths, closets, sinks, and spittoons > Flush closet > Ventilated, i.e., noxious fume removal > Bowl
Description: Subject matter wherein the gas removing means is connected to the bowl or an adjunct thereof.










Sub-classes under this class:

Class Number Class Name Patents
4/352 Annular ventilator 21
4/350 Unitary with discharge from bowl 3
4/349 Unitary with flush supply to bowl 16


Patents under this class:

Patent Number Title Of Patent Date Issued
8434170 Toilet ventilation system May. 7, 2013
7849526 Odorless toilet Dec. 14, 2010
7832030 Toilet bowl self-cleaner Nov. 16, 2010
6351855 Bathroom odor withdrawal system Mar. 5, 2002
6158058 Ventilated toilet Dec. 12, 2000
5560048 Water closet exhaust collector Oct. 1, 1996
5539938 Water closet Jul. 30, 1996
5499405 Urinal Mar. 19, 1996
5351344 Fluid evacuation system Oct. 4, 1994
5341521 Environmentally controlled standard toilet Aug. 30, 1994
5333321 Environmentally controlled commercial/public toilet Aug. 2, 1994
5321856 Flush toilet exhaust system Jun. 21, 1994
5255395 Ventilating system for toilet bowl Oct. 26, 1993
5231705 Method and apparatus for eliminating toilet odors Aug. 3, 1993
5210884 Environmentally controlled toilet May. 18, 1993
5161262 Toilet odor removal apparatus Nov. 10, 1992
5136729 Odor remover device Aug. 11, 1992
5029346 Toilet bowl vent system Jul. 9, 1991
4800596 Ventilated toilet Jan. 31, 1989
4200940 Toilet seat volatile gas incinerator May. 6, 1980
4175293 Toilet bowl odor removing apparatus and hinge Nov. 27, 1979
4168553 Toilet odor eliminating device Sep. 25, 1979
4117559 Bathroom deodorizer and odorizer devices and methods of making and using the same Oct. 3, 1978
4103370 Odorless water closet Aug. 1, 1978
4059857 Free standing toilet stool ventilating device Nov. 29, 1977











 
 
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