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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
6895604 Self-contained exhaust fan for a water closet May. 24, 2005
6874700 Contamination control method and apparatus, and air-conditioning system of a substrate processing facility employing the same Apr. 5, 2005
6804837 Odor transporter system for a toilet bowl Oct. 19, 2004
6779204 Portable venting commode Aug. 24, 2004
6775853 Ventilated toilet assembly Aug. 17, 2004
6772449 Toilet ventilation system Aug. 10, 2004
6701538 Ventilating and deodorizing toilet and toilet bowl ventilating and deodorizing apparatus Mar. 9, 2004
6694534 Toilet ventilation system Feb. 24, 2004
6678900 Bowl ventilation apparatus with proximity sensor Jan. 20, 2004
6660060 Air filtering system Dec. 9, 2003
6643850 Odor removal system Nov. 11, 2003
6629319 Air ventilation system Oct. 7, 2003
6615410 Toilet-ventilating device Sep. 9, 2003
6588025 Toilet exhaust device, kit and method of using Jul. 8, 2003
6584620 Detachable toilet ventilation system Jul. 1, 2003
6550072 Bowl ventilation apparatus Apr. 22, 2003
6523184 Toilet ventilation system Feb. 25, 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
6467101 Toilet flushing and cleaning device Oct. 22, 2002
6463595 Toilet ventilation system Oct. 15, 2002
6457186 Air cleaning device for a toilet bowl Oct. 1, 2002
6449778 Device for evacuating intestinal organic gas from inside water closets to the outside of bathrooms Sep. 17, 2002
6370702 Toilet enclosure with ventilation system Apr. 16, 2002
6367092 Charge transfer capacitance sensing and control system for an integrated venting system Apr. 9, 2002
6360377 Filtration housing unit for use with a ventilated toilet seat Mar. 26, 2002
6351855 Bathroom odor withdrawal system Mar. 5, 2002
6314591 Hygienic odorless toilet for the blind and physically challenged Nov. 13, 2001
6279173 Devices and methods for toilet ventilation using a radar sensor Aug. 28, 2001
6260214 Toilet stool ventilation system Jul. 17, 2001
6237163 Ventilated toilet seat system May. 29, 2001
6233749 Portable toilet stool having deodorizing and air-curtaining efficiencies May. 22, 2001
6233750 Toilet bowl ventilating apparatus May. 22, 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
6178563 Toilet deodorizer Jan. 30, 2001
6173453 Toilet venting system Jan. 16, 2001
6167575 Bathroom ventilator inlet Jan. 2, 2001
6131210 Ventilated mobile home toilet Oct. 17, 2000
6081935 Technologically advanced portable toilet and method of supplying purifying agent thereto Jul. 4, 2000
6073275 Multifunction toilet Jun. 13, 2000
6052837 Toilet ventillation system Apr. 25, 2000
6041449 Apparatus and method for treating objectionable odors in toilet bowls and the like Mar. 28, 2000
6018824 Ventilator for toilet fixtures Feb. 1, 2000
6016576 Toilet odor removal system Jan. 25, 2000
6003157 Device for deodorizing air from a toilet Dec. 21, 1999
5996131 Commode ventilation system Dec. 7, 1999
5991934 Bad odor removing stool seat and seat cover Nov. 30, 1999

1 2 3 4 5 6










 
 
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