Patent International Class: G05D 23/8
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Failsafe thermal bypass valve for cooling system
Inventor: Sheppard | Patent Number: 8066197
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Temperature responsive flow control valve for an engine cooling system
Inventor: Hutchins | Patent Number: 8047450
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Hydrant apparatus and water discharging method
Inventor: Chang | Patent Number: 7984861
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Thermostatic mixing valve
Inventor: Cunningham, et al. | Patent Number: 7665671
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Fuel cell coolant temperature determination method
Inventor: Maier | Patent Number: 7455241
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Bleed valve
Inventor: Fritzer, et al. | Patent Number: 7363939
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Method of controlling electronic controlled thermostat
Inventor: Suda, et al. | Patent Number: 7320434
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Pipe temperature control valve
Inventor: Restivo, Sr., et al. | Patent Number: 7104461
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Linear proportional valve
Inventor: Colas, et al. | Patent Number: 6863221
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Overtemperature safety cutoff device
Inventor: Conover, et al. | Patent Number: 6860432
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Proportional valve with shape memory alloy actuator
Inventor: Dario, et al. | Patent Number: 6840257
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Damper for controlling air flow through a passage
Inventor: Clark | Patent Number: 6776349
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Damper for controlling air flow through a passage
Inventor: Clark | Patent Number: 6776349
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Valves
Inventor: Smith | Patent Number: 6536676
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Cryogenic thermal switch employing materials having differing coefficients of thermal expansion
Inventor: Marland, et al. | Patent Number: 6276144
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Self-contained temperature and pressure operated pinch valve
Inventor: Kenny | Patent Number: 6079628
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Flow regulating valve apparatus for air conditioning systems
Inventor: Giasson, et al. | Patent Number: 6058730
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Flow regulating valve apparatus for air conditioning systems
Inventor: Giasson, et al. | Patent Number: 6058730
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Passive bimetallic actuator for heat transfer
Inventor: DeAnna | Patent Number: 6039262
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Passive bimetallic actuator for heat transfer
Inventor: DeAnna | Patent Number: 6039262
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Water conservation system
Inventor: Linn | Patent Number: 6032687
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Automotive oil level control apparatus
Inventor: Gondusky, et al. | Patent Number: 6003778
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Thermal rotary vent
Inventor: Godsey, et al. | Patent Number: 5984196
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Thermal rotary vent
Inventor: Godsey, et al. | Patent Number: 5984196
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Steam radiator exhaust valve
Inventor: Ramo | Patent Number: 5909843
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Steam radiator exhaust valve
Inventor: Ramo | Patent Number: 5909843
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Electrical thermostat
Inventor: Kolb, et al. | Patent Number: 5821801
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Thermally activated vent damper
Inventor: Karabin | Patent Number: 5695116
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Thermally activated vent damper
Inventor: Karabin | Patent Number: 5695116
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Apparatus and method for diverting shower water of improper temperature from bather
Inventor: Arlie | Patent Number: 5692675
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Temperature and flow control valve
Inventor: Murray | Patent Number: 5586722
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Temperature and flow control valve
Inventor: Murray | Patent Number: 5586722
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Flow regulating valve apparatus for air conditioning systems
Inventor: Giasson, et al. | Patent Number: 5579995
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Flow regulating valve apparatus for air conditioning systems
Inventor: Giasson, et al. | Patent Number: 5479786
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Thermostatic mixing valve and method of use thereof
Inventor: Simonov, et al. | Patent Number: 5427312
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Constant temperature valve
Inventor: Herrick | Patent Number: 5273208
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Thermally responsive relief valve
Inventor: Wells, et al. | Patent Number: 5263643
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Float activated gauge
Inventor: Koebernik, et al. | Patent Number: 5224379
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Automotive oil level control valve apparatus
Inventor: Gondusky, et al. | Patent Number: 5209399
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Automotive oil level control valve apparatus
Inventor: Gondusky, et al. | Patent Number: 5209399
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Thermostat apparatus
Inventor: Heafner | Patent Number: 5207744
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Automotive oil level control apparatus
Inventor: Giasson, et al. | Patent Number: 5195678
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Automotive oil level control apparatus
Inventor: Giasson, et al. | Patent Number: 5195678
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Thermally activated vent damper
Inventor: Karabin, et al. | Patent Number: 5186385
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Thermally activated vent damper
Inventor: Karabin, et al. | Patent Number: 5186385
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Dual exhaust fluid flow control distribution apparatus
Inventor: Glasson, et al. | Patent Number: 5110045
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Dual exhaust fluid flow control distribution apparatus
Inventor: Glasson, et al. | Patent Number: 5110045
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Thermally activated vent damper
Inventor: Karabin, et al. | Patent Number: 5082172
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Thermally activated vent damper
Inventor: Karabin, et al. | Patent Number: 5082172
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Oil-level sensing apparatus having a time delay function
Inventor: Tateishi, et al. | Patent Number: 5035512
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Flow controller
Inventor: Yamazaki | Patent Number: 4986470
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Shut-off valve for scald prevention
Inventor: Bergmann, et al. | Patent Number: 4981261
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Automotive oil level control valve apparatus
Inventor: Ty, et al. | Patent Number: 4921165
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Automotive oil level control valve apparatus
Inventor: Ty, et al. | Patent Number: 4921165
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Thermally activated automatic damper and damper operator
Inventor: McCabe | Patent Number: 4919329
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Thermally activated automatic damper and damper operator
Inventor: McCabe | Patent Number: 4919329
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Three-stage mercury switch for operation between the heating and cooling mode
Inventor: Podlipnik | Patent Number: 4919196
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Automotive oil level control valve apparatus
Inventor: Zaveri, et al. | Patent Number: 4865250
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Safety device
Inventor: Sugano, et al. | Patent Number: 4865249
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Reducing valve equipped with a vapor-liquid separator
Inventor: Fujiwara, et al. | Patent Number: 4860782
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Thermostatic valve
Inventor: Hood | Patent Number: 4830277
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Temperature responsive flow control valve apparatus
Inventor: Ty | Patent Number: 4783000
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Temperature responsive flow control valve apparatus
Inventor: Ty | Patent Number: 4783000
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Thermally responsive valve activating assembly
Inventor: Gardner, et al. | Patent Number: 4763682
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Valve construction and method of making the same
Inventor: Shopsky | Patent Number: 4651968
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Thermally responsive damper assembly having interfitting parts and method
Inventor: Prikkel, III, et al. | Patent Number: 4587706
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Variable speed refrigeration compressor
Inventor: Yu | Patent Number: 4563624
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Thermostatic transducer
Inventor: Clark | Patent Number: 4527735
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Check valve
Inventor: Anderson | Patent Number: 4527733
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Fluid flow control apparatus
Inventor: Ty | Patent Number: 4502627
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Fluid flow control apparatus
Inventor: Ty | Patent Number: 4502627
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Hot water cutoff safety valve for showers
Inventor: Bennett | Patent Number: 4480784
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VAV Terminal local control loop
Inventor: Clark | Patent Number: 4480783
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Pressure regulator with temperature compensation device
Inventor: Sasaki | Patent Number: 4417689
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Gas flue damper and thermostat metal therefore
Inventor: Ty | Patent Number: 4402454
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Gas flue damper and thermostat metal therefore
Inventor: Ty | Patent Number: 4402454
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Automatic stove damper control
Inventor: Stiles | Patent Number: 4399940
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Automatic stove damper control
Inventor: Stiles | Patent Number: 4399940
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Thermally activated, automatic, single blade damper and damper operator
Inventor: McCabe | Patent Number: 4390123
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Damper construction for a gas fired combustion apparatus
Inventor: Barth | Patent Number: 4386731
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Temperature responsive vent damper
Inventor: Hayes | Patent Number: 4384671
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Draft control for stoves and furnaces
Inventor: Schrock | Patent Number: 4375872
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Thermally activated, automatic damper and damper operator
Inventor: McCabe | Patent Number: 4372485
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Portable refrigerator
Inventor: Skeele | Patent Number: 4361013
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Thermostat
Inventor: Brown | Patent Number: 4353500
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Device for automatically regulating a choke valve in a carburetor for an internal combustion engine
Inventor: Kono, et al. | Patent Number: 4324745
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Fluid temperature control system
Inventor: Patrick, et al. | Patent Number: 4318509
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Pneumatic control means for a vehicle heat exchanger system or the like
Inventor: Scott | Patent Number: 4307836
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Draft control arrangement
Inventor: Diermayer, et al. | Patent Number: 4294401
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Draft control arrangement
Inventor: Diermayer, et al. | Patent Number: 4294401
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Damper construction for a gas fired combustion apparatus
Inventor: Barth | Patent Number: 4289271
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Thermally-activated closure device
Inventor: Fedewitz | Patent Number: 4283006
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Refrigerator control and system
Inventor: Ty | Patent Number: 4276754
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Vent control arrangement for combustion apparatus
Inventor: Diermayer, et al. | Patent Number: 4272013
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Vent control arrangement for combustion apparatus
Inventor: Diermayer, et al. | Patent Number: 4272013
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Dual reset controller
Inventor: Maxson, et al. | Patent Number: 4264035
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Pneumatic control means for a vehicle heat exchanger system or the like
Inventor: Scott | Patent Number: 4253604
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Draft control arrangement
Inventor: Diermayer, et al. | Patent Number: 4249694
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Vent control arrangement for combustion apparatus
Inventor: Diermayer | Patent Number: 4245778
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Temperature responsive valve device
Inventor: Satomoto | Patent Number: 4241873