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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
4726078 Toilet ventilation system Feb. 23, 1988
4701966 Toilet stool instant odor removal means Oct. 27, 1987
4692951 Sanitary facility room for clean room Sep. 15, 1987
4620329 Ventilated toilet seat Nov. 4, 1986
4617687 Ventilated toilet Oct. 21, 1986
4590629 Toilet ventilating device May. 27, 1986
4586201 Toilet air purifier apparatus May. 6, 1986
4583250 Device for the removal of foul air from toilet bowls Apr. 22, 1986
4558473 Sanitary cleaning equipment Dec. 17, 1985
4551865 Ventilator for a lavatory pan Nov. 12, 1985
4524469 Combined fan and valve Jun. 25, 1985
4494255 Ventilated toilet device Jan. 22, 1985
4493117 Continuously deodorized toilet Jan. 15, 1985
4472841 Bathroom air sanitizer and deodorizer Sep. 25, 1984
4442555 Toilet bowl odor removal suction control Apr. 17, 1984
4433441 Water closet-odor neutralizer Feb. 28, 1984
4375704 Unitary assembly for attachment to a toilet for ventilating the same Mar. 8, 1983
4365361 Toilet bowl odor educting and powered exhaust system Dec. 28, 1982
4344194 Toilet seat and lid unit with concealed air deodorizer Aug. 17, 1982
4318192 Ventilated toilet Mar. 9, 1982
4317242 Device for the removal of foul air from toilet bowls and the like Mar. 2, 1982
4301555 Replaceable filter for deodorizing the air from a toilet bowl Nov. 24, 1981
4251888 Ventilating toilet seat Feb. 24, 1981
4232406 Water closet ventilating system with vacuum breaker valve Nov. 11, 1980
4222129 Odor extracting apparatus and combination thereof with a toilet Sep. 16, 1980
4200940 Toilet seat volatile gas incinerator May. 6, 1980
4175293 Toilet bowl odor removing apparatus and hinge Nov. 27, 1979
4174545 Toilet stool ventilating device Nov. 20, 1979
4168553 Toilet odor eliminating device Sep. 25, 1979
4166298 Deodorizer for toilets Sep. 4, 1979
4165544 Odorless toilet stool Aug. 28, 1979
4153956 Toilet deodorizer device May. 15, 1979
4125906 Toilet ventilating apparatus Nov. 21, 1978
4117559 Bathroom deodorizer and odorizer devices and methods of making and using the same Oct. 3, 1978
4103370 Odorless water closet Aug. 1, 1978
4099047 Commode ventilation system Jul. 4, 1978
4094023 Ventilated toilet seat Jun. 13, 1978
4085470 Ventilated toilet device Apr. 25, 1978
4059857 Free standing toilet stool ventilating device Nov. 29, 1977
4044408 Deodorizing accessary for water closets Aug. 30, 1977
4031574 Timed ventilator for toilets Jun. 28, 1977
4025325 Portable ventilating air filtering device for toilets May. 24, 1977
4017916 Toilet ventilator including motion-responsive electrical transducer Apr. 19, 1977
4011608 Electric toilet deodorizer Mar. 15, 1977
4007498 Toilet ventilator including overflow-responsive sensor Feb. 15, 1977
3999225 Ventilated toilets Dec. 28, 1976
3967545 Controlling the supply of electric current to a room Jul. 6, 1976
3953901 Toilet stool ventilating means May. 4, 1976
3942200 Odor control ventilator Mar. 9, 1976
3939506 Odor control ventilator Feb. 24, 1976

1 2 3 4 5 6










 
 
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