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Class Information
Number: 4/349
Name: Baths, closets, sinks, and spittoons > Flush closet > Ventilated, i.e., noxious fume removal > Bowl > Unitary with flush supply to bowl
Description: Subject matter wherein some portion of the means providing liquid to flush the bowl also forms part of the gas removal means.

Patents under this class:

Patent Number Title Of Patent Date Issued
8196232 Exhaust unit for a toilet bowl Jun. 12, 2012
7331066 Ventilation system for multiple toilets in a building Feb. 19, 2008
7162751 Ventilated toilet system Jan. 16, 2007
6928666 Toilet with self-contained ventilation system Aug. 16, 2005
6854494 Cup and probe assembly for use in a valve system for transferring a liquid between two sources Feb. 15, 2005
6351855 Bathroom odor withdrawal system Mar. 5, 2002
6073273 Venting apparatus for flush toilets Jun. 13, 2000
6000070 Combination toilet and bidet Dec. 14, 1999
5930844 Commode valving arrangement Aug. 3, 1999
5519899 Toilet odor venting apparatus with improved retrofit capability May. 28, 1996
5305472 Ventilation unit for a toilet Apr. 26, 1994
5123125 Flushing tank for use with toilet bowls Jun. 23, 1992
4998299 Toilet with apparatus for evacuating malodorous air from the bowl Mar. 12, 1991
4989276 Ventilated toilet Feb. 5, 1991
4439874 Water closet rim and venting process therefor Apr. 3, 1984
4318192 Ventilated toilet Mar. 9, 1982

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