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Class Information
Number: 137/387
Name: Fluid handling > Liquid level responsive or maintaining systems > Washing machine cycle control
Description: Apparatus in which the cycle of operation of a washing machine is controlled in response to a change in liquid level.

Patents under this class:

Patent Number Title Of Patent Date Issued
8566989 Controlling method of clothes treating apparatus Oct. 29, 2013
8242393 Pressure switch incorporated to electronic module of several equipment Aug. 14, 2012
7010363 Electrical appliance energy consumption control methods and electrical energy consumption systems Mar. 7, 2006
6895788 Appliance safety valve assembly May. 24, 2005
6389852 Appliance safety valve assembly May. 21, 2002
6125870 Overflow protection for a washing machine Oct. 3, 2000
6003536 Automatic water shut-off valve Dec. 21, 1999
5921112 Transmitter housing for a water level transmitter in a washing machine Jul. 13, 1999
5918617 Method and apparatus for minimizing fluid damage proximate an appliance that uses fluid in its operational cycle Jul. 6, 1999
5722263 Washing machine with dynamic water inlet control arrangement Mar. 3, 1998
5694962 Method for controlling a water supply valve of a washing machine Dec. 9, 1997
5630437 Dishwasher with downward opening pump inlet mouth for improved operation May. 20, 1997
5577399 Pressure sensor for appliance products Nov. 26, 1996
5365969 Float with skirt to prevent leakage due to oversudsing Nov. 22, 1994
5327946 Fuel filling and venting device with surge protector Jul. 12, 1994
5313964 Fluid-handling machine incorporating a closed loop system for controlling liquid load May. 24, 1994
5309939 Safety device for water-conducting household appliances May. 10, 1994
5231722 Washing machine and method of controlling the same Aug. 3, 1993
5159823 Washing machine Nov. 3, 1992
5107706 Level sensor device for household appliances Apr. 28, 1992
5018550 Dishwasher overfill protection device May. 28, 1991
4982606 Fluid level sensor and controller Jan. 8, 1991
4905485 Multifunction pneumatic system designed to control different operating components for domestic and/or industrial washing machines Mar. 6, 1990
4877049 Pneumatic, water leakage safety device for washing machines Oct. 31, 1989
4838050 Operation mode selecting device for washing machines Jun. 13, 1989
4741357 Washing machine with a control system for controlling the supply of water May. 3, 1988
4697293 Pressure sensing automatic water level control Oct. 6, 1987
4696171 Laundry washing machine Sep. 29, 1987
4617432 Adjustable pressure responsive switch assembly Oct. 14, 1986
4418712 Overflow control system Dec. 6, 1983
4380243 Overflow control system Apr. 19, 1983
4319598 Soil separator drain valve Mar. 16, 1982
4301829 Flood control for a dishwasher Nov. 24, 1981
4289154 Self-cleaning float mechanism Sep. 15, 1981
4271861 Dishwasher fill level control arrangement Jun. 9, 1981
4267711 Control system for laundry appliance May. 19, 1981
4256136 Mechanically operated level control for dishwashers Mar. 17, 1981
4227546 Dishwasher fluid control system Oct. 14, 1980
4206780 Pressure operated water level control device and temperature responsive unit therefor or the like Jun. 10, 1980
4203462 Water level control system May. 20, 1980
4201240 Electronic liquid level monitor and controller May. 6, 1980
4184347 Automatic washing machine Jan. 22, 1980
4180085 Dishwasher fill float Dec. 25, 1979
4180095 Dishwasher float switch control assembly Dec. 25, 1979
4178957 Dishwasher fill system Dec. 18, 1979
4168615 Clothes washing machine with water recirculation Sep. 25, 1979
4119116 Receptacle fill apparatus Oct. 10, 1978
4066094 Combination drain sump and air pressure chamber for automatic clothes washing machine Jan. 3, 1978

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