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Class Information
Number: 4/213
Name: Baths, closets, sinks, and spittoons > Ventilation > Electric-motor pump
Description: The air and gases are carried away by an air pump operated by an electric motor.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
5940893 Feasible odorless water closet Aug. 24, 1999
5930844 Commode valving arrangement Aug. 3, 1999
5906009 Toilet bowl noxious fume and mist evacuation May. 25, 1999
5896591 Toilet air freshener Apr. 27, 1999
5875496 Toilet duct ventilation system Mar. 2, 1999
5875497 Toilet ventilation system Mar. 2, 1999
5864894 Automatic system for personal hygiene following the carrying out of bodily functions Feb. 2, 1999
5857222 Removal of odors from toilets Jan. 12, 1999
5850638 Toilet ventilation system Dec. 22, 1998
5839127 Odor extractor apparatus Nov. 24, 1998
5829066 Deodorizing apparatus and a toilet provided with the apparatus Nov. 3, 1998
5819324 Toilet ventilating device Oct. 13, 1998
5813060 Multifunction toilet Sep. 29, 1998
5809581 Odor-less toilet system Sep. 22, 1998
5806104 Toilet deodorizing device utilizing liquid deodorant Sep. 15, 1998
5802623 Electronic air deodorizer and method of using same Sep. 8, 1998
5781937 Toilet deodorizing system Jul. 21, 1998
5745927 Apparatus for lavatory bowl ventilation May. 5, 1998
5727262 Bathroom ventilator Mar. 17, 1998
5724682 Toilet ventilation system Mar. 10, 1998
5718005 Foul air remover for toilet system Feb. 17, 1998
5715543 Toilet assembly having an automatic ventilation system Feb. 10, 1998
5704074 Toilet gas suction vent Jan. 6, 1998
5671484 Toilet ventilator apparatus Sep. 30, 1997
5652969 Flush apparatus for use with toilet odor venting apparatus Aug. 5, 1997
5638553 Toilet ventilation system Jun. 17, 1997
5630233 Vehicle toilet vent apparatus May. 20, 1997
5617590 Flush toilet exhaust fixture Apr. 8, 1997
5606747 Toilet bowl aspirating system Mar. 4, 1997
5590423 Commode odor extractor Jan. 7, 1997
5575019 Toilet ventilation system Nov. 19, 1996
5570477 Portable toilet bowl ventilator Nov. 5, 1996
5560048 Water closet exhaust collector Oct. 1, 1996
5555572 Toilet bowl ventilating and deodorizing apparatus Sep. 17, 1996
5539938 Water closet Jul. 30, 1996
5539937 Lid integrated deodorizer for toilets Jul. 30, 1996
5522093 Toilet ventilation system Jun. 4, 1996
5519897 Apparatus and method for removing toilet odors May. 28, 1996
5519899 Toilet odor venting apparatus with improved retrofit capability May. 28, 1996
5493737 Toilet apparatus with device for deodorization Feb. 27, 1996
5491847 Toilet ventilation system Feb. 20, 1996
5488741 Toilet bowl ventilating and deodorizing apparatus Feb. 6, 1996
5454122 Toilet ventilator with room air freshener and comfort heater Oct. 3, 1995
5452481 Portable ventilation system Sep. 26, 1995
5435018 Odor guide apparatus for toilet Jul. 25, 1995
5416930 Air cleaning device for a toilet bowl May. 23, 1995
5403548 Activated carbon adsorbent and applications thereof Apr. 4, 1995
5394569 Air venting apparatus for WC Mar. 7, 1995
5388280 Ventilation toilet assembly for use in a recreation vehicle Feb. 14, 1995
5386594 Toilet ventilating manifold system Feb. 7, 1995

1 2 3 4 5 6










 
 
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