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Class Information
Number: 236/DIG.2
Name: Automatic temperature and humidity regulation > Fail safe
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
7175100 Fail-safe proportional mixing valve Feb. 13, 2007
6926205 Fluid supply failure protection valve Aug. 9, 2005
6915958 Linear proportional valve Jul. 12, 2005
6863221 Linear proportional valve Mar. 8, 2005
6695217 Regulating valve Feb. 24, 2004
6508406 Fail-safe proportional mixing valve Jan. 21, 2003
6315210 Thermostatic mixing valve Nov. 13, 2001
6065682 Thermostatic valve May. 23, 2000
5984197 Thermostat Nov. 16, 1999
5979373 Cooling control system for an internal combustion engine Nov. 9, 1999
5934552 Thermally responsive valve assembly Aug. 10, 1999
5813598 Thermostat device for protecting an engine of a vehicle from overheating Sep. 29, 1998
5803356 Thermostat bypass system Sep. 8, 1998
5647531 Thermostatic control valve system for use in emergency shower and eyewash systems Jul. 15, 1997
5642859 Temperature-sensitive safety valve assembly Jul. 1, 1997
5503329 Automotive thermostat Apr. 2, 1996
5494211 Thermostat bypass Feb. 27, 1996
5494097 Method and device for regulating or controlling the temperature of an interior space, especially that of a motor vehicle Feb. 27, 1996
5445318 Thermostatic safety valve for a hydraulic cooling circuit Aug. 29, 1995
5388760 Thermostat bypass Feb. 14, 1995
5381952 Fail-safe thermostat Jan. 17, 1995
5381951 Thermostatic safety valve for a hydraulic cooling circuit Jan. 17, 1995
5381953 Fail-open locking element and thermostat incorporating same Jan. 17, 1995
5379936 Flow control valve assembly Jan. 10, 1995
5361980 Fail-safe thermostat valve Nov. 8, 1994
5294046 Fail-open locking element and thermostat incorporation same Mar. 15, 1994
5282828 Thermostat bypass Feb. 1, 1994
5207744 Thermostat apparatus May. 4, 1993
5188287 Thermostat actuated by an expanding wax capsule and incorporating a safety device Feb. 23, 1993
5174496 Submerged and fusible device with safety valves that replace the faulty thermostat unit in an engine or analogue Dec. 29, 1992
5163613 Thermostat bypass Nov. 17, 1992
5140951 Pressure release thermostat Aug. 25, 1992
5011074 Thermostatic mixing valve with thermostat failure compensation Apr. 30, 1991
4987881 Fuel burning furnace Jan. 29, 1991
4981260 Failsafe thermostat for water-cooled engines Jan. 1, 1991
4922890 Fuel burning furnace May. 8, 1990
4815491 Freeze protection device Mar. 28, 1989
4797776 Furnace temperature safety system Jan. 10, 1989
4648553 Regulating valve Mar. 10, 1987
4596361 Safety control Jun. 24, 1986
4558819 Automatic valve closer to prevent tampering with a thermostatic controlled radiator Dec. 17, 1985
4537346 Fail-safe oil flow control apparatus Aug. 27, 1985
4475684 Mixing valve Oct. 9, 1984
4469275 Thermostatic device with fail-safe capability Sep. 4, 1984
4462541 Constant temperature control for a vehicle compartment heater or heater-air-conditioner Jul. 31, 1984
4453668 Fail-safe thermostatic valve Jun. 12, 1984
4245782 Fusible linkage aquatic device that will override the failure of a defective thermostat or the like within a motor Jan. 20, 1981











 
 
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