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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:
| 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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