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Class Information
Number: 4/216
Name: Baths, closets, sinks, and spittoons > Ventilation > Bowl structure or vent valve
Description: The general miscellaneous structure of a bowl provided with a ventilator, not provided for in preceding subclasses. Also includes the valve structure controlling the vent pipe.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8695123 Ventilated toilet Apr. 15, 2014
8434170 Toilet ventilation system May. 7, 2013
8424121 Odour extraction device for a toilet pan Apr. 23, 2013
8214930 Toilet odor removal apparatus Jul. 10, 2012
8161579 Toilet tank mounted odor eliminator Apr. 24, 2012
8151377 Odorless and overflow-less toilet system Apr. 10, 2012
8060952 Odor removal system and overflow safety system for toilets Nov. 22, 2011
7921477 Lavatory seat ventilation system Apr. 12, 2011
7896976 Ventilation device for the discharge pipe of a water supply household appliance Mar. 1, 2011
7856675 Flush passage ventilation fitting Dec. 28, 2010
7849526 Odorless toilet Dec. 14, 2010
7644450 Toilet ventilation system Jan. 12, 2010
7614092 Power vented odorless non-overflow auto flush toilet Nov. 10, 2009
7485166 Device and method for detection, collection, containment, neutralization, and elimination of toxic or other contaminant aerosols Feb. 3, 2009
7331066 Ventilation system for multiple toilets in a building Feb. 19, 2008
7162751 Ventilated toilet system Jan. 16, 2007
7117548 Toilet ventilation system Oct. 10, 2006
7103925 Odor eliminating system for a toilet, toilet including the odor eliminating system, and toilet seat assembly Sep. 12, 2006
6983491 Odor removal apparatus and/or methods Jan. 10, 2006
6928666 Toilet with self-contained ventilation system Aug. 16, 2005
6694534 Toilet ventilation system Feb. 24, 2004
6643850 Odor removal system Nov. 11, 2003
6629319 Air ventilation system Oct. 7, 2003
6584620 Detachable toilet ventilation system Jul. 1, 2003
6519786 Toilet splash shield system Feb. 18, 2003
6499150 For a toilet for automatically exhausting odious air therefrom Dec. 31, 2002
6496986 Toilet bowl venting device Dec. 24, 2002
6370703 Odorless toilet Apr. 16, 2002
6367092 Charge transfer capacitance sensing and control system for an integrated venting system Apr. 9, 2002
6295656 Venting apparatus for flush toilets Oct. 2, 2001
6219853 Toilet ventilation system Apr. 24, 2001
6209146 Ventilation device for a toilet Apr. 3, 2001
6202226 Portable waste odor collection apparatus Mar. 20, 2001
6173453 Toilet venting system Jan. 16, 2001
6158058 Ventilated toilet Dec. 12, 2000
6131210 Ventilated mobile home toilet Oct. 17, 2000
6073273 Venting apparatus for flush toilets Jun. 13, 2000
6073275 Multifunction toilet Jun. 13, 2000
6041449 Apparatus and method for treating objectionable odors in toilet bowls and the like Mar. 28, 2000
5991933 Toilet with odor removal tube Nov. 30, 1999
5930844 Commode valving arrangement Aug. 3, 1999
5906009 Toilet bowl noxious fume and mist evacuation May. 25, 1999
5839127 Odor extractor apparatus Nov. 24, 1998
5813060 Multifunction toilet Sep. 29, 1998
5745927 Apparatus for lavatory bowl ventilation May. 5, 1998
5727263 Toilet ventilation system Mar. 17, 1998
5715543 Toilet assembly having an automatic ventilation system Feb. 10, 1998
5704074 Toilet gas suction vent Jan. 6, 1998
5361422 Toilet ventilating system Nov. 8, 1994
5353443 Toilet assembly having a combined automatic ventilation and flushing system Oct. 11, 1994

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