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Class Information
Number: 4/215
Name: Baths, closets, sinks, and spittoons > Ventilation > Water-jet pump
Description: The gases are removed by a water-jet pump.

Patents under this class:

Patent Number Title Of Patent Date Issued
8214930 Toilet odor removal apparatus Jul. 10, 2012
7485166 Device and method for detection, collection, containment, neutralization, and elimination of toxic or other contaminant aerosols Feb. 3, 2009
6823532 Malodor control systems for toilets Nov. 30, 2004
6526598 Self-contained venting toilet Mar. 4, 2003
5530971 Odor control system for toilets Jul. 2, 1996
4222129 Odor extracting apparatus and combination thereof with a toilet Sep. 16, 1980
4059857 Free standing toilet stool ventilating device Nov. 29, 1977

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