Patents for G05D 23 - Control of temperature (28,546) |
---|
02/03/1981 | US4248374 Engine cooling system thermostat and method of making the same |
02/03/1981 | US4248055 Hot gas bypass control for centrifugal liquid chillers |
02/03/1981 | US4248051 System and method for controlling air conditioning systems |
02/03/1981 | CA1094917A1 Water mixing valve with temperature regulation, temperature setting and volume control |
02/03/1981 | CA1094913A1 Fuel vapor vent valve |
02/03/1981 | CA1094837A1 Dual sensor refrigeration control |
02/03/1981 | CA1094834A1 Bimaterial demand-flow cryostat |
01/28/1981 | EP0023052A1 A method and an apparatus for air conditioning for vehicles by controlling circulation of inside air and introduction of outside air |
01/27/1981 | US4247041 Thermally responsive valve device |
01/27/1981 | US4247040 Method and mechanism for switching heat generating equipment |
01/27/1981 | US4246956 Control scheme for a solar assisted heat pump |
01/20/1981 | USRE30485 Air conditioning control system |
01/20/1981 | US4246641 Automatic temperature calibration of thermal analyzers |
01/20/1981 | US4245782 Fusible linkage aquatic device that will override the failure of a defective thermostat or the like within a motor |
01/20/1981 | US4245781 Engine cooling system thermostat and method of making the same |
01/20/1981 | US4245780 Temperature regulator assembly and signal modulator therefor |
01/20/1981 | US4245549 Control device diaphragm stack and method of making the same |
01/13/1981 | US4244517 Temperature control for variable volume air conditioning system |
01/13/1981 | US4244516 Control unit for starting a climatization procedure in a building |
01/13/1981 | US4244182 Apparatus for controlling refrigerant feed rate in a refrigeration system |
01/13/1981 | CA1093304A1 Operating optimization for plural parallel connected chillers |
01/07/1981 | EP0021907A1 Device and process for the reduction of thermal reactions in monolithic integrated circuits |
01/07/1981 | EP0021745A1 An automatic temperature control system for a vehicle passenger compartment |
01/07/1981 | EP0021516A1 An electric control device for a central heating boiler |
01/07/1981 | EP0021353A1 Air conditioner control method and apparatus |
01/07/1981 | EP0021278A1 Extruder temperature controller |
01/07/1981 | EP0021202A1 Thermostatic expansion valve |
01/07/1981 | EP0020462A1 Damper for an air distribution system |
01/06/1981 | US4243875 Temperature control for resistance heating element |
01/06/1981 | US4243441 Method for metal strip temperature control |
01/06/1981 | US4243173 Pneumatic optimizer |
01/06/1981 | CA1093182A1 Refrigeration control system |
01/06/1981 | CA1092954A1 Heating workpieces by high current intensity glow discharge |
12/30/1980 | US4241873 Temperature responsive valve device |
12/30/1980 | US4241872 Pneumatically operated thermostat construction and method of making the same |
12/30/1980 | US4241868 Fluid temperature mixing indicator |
12/30/1980 | US4241587 Refrigerating apparatus, especially refrigerator or freezer |
12/30/1980 | CA1092382A1 Control scheme for a solar assisted heat pump |
12/24/1980 | WO1980002871A1 Extruder temperature controller |
12/23/1980 | US4241288 Electric rice cooker with two heaters |
12/23/1980 | US4240580 Temperature dependent electronic control switch |
12/23/1980 | US4240579 Thermostatically controlled heating system |
12/23/1980 | CA1092217A1 Electronic reversible motor operated valve assembly |
12/23/1980 | CA1091941A1 Valve for refrigeration plant |
12/23/1980 | CA1091940A1 Valve for liquid injection into a refrigerant evaporator |
12/16/1980 | US4240077 Thermostat |
12/16/1980 | US4239177 Electrically operated valve with balanced port design |
12/16/1980 | US4239154 Thermally responsive valve |
12/16/1980 | US4239153 Multiple temperature actuated fluid-electric control device |
12/16/1980 | US4239152 Temperature responsive valve assembly |
12/16/1980 | US4238931 Waste heat recovery system controller |
12/16/1980 | CA1091786A1 Air conditioning unit control |
12/16/1980 | CA1091785A1 System for dispensing and controlling the temperature of hot melt adhesive |
12/16/1980 | CA1091738A1 Leakage current thermostat |
12/10/1980 | EP0020126A1 Pushbutton controlled pneumatic valve and actuator and temperature control systems using such valves and actuators |
12/09/1980 | US4238812 Circuit protection devices comprising PTC elements |
12/09/1980 | US4238672 Temperature control circuitry |
12/09/1980 | US4238670 Method and device for regulating the cleaning temperature of an oven |
12/09/1980 | US4237967 Motor vehicle air conditioner control circuit |
12/09/1980 | US4237966 Energy conserving heating and air conditioning system |
12/09/1980 | US4237771 Pneumatically operated actuator and method of making the same |
12/02/1980 | US4237467 Thermal writing device for recording apparatus |
12/02/1980 | US4237368 Temperature sensor for glass-ceramic cooktop |
12/02/1980 | US4236898 Sulfurized fatty acid amide, ester or ester-amide of an oxyalkylated amine |
12/02/1980 | US4236669 Thermostatic expansion valve with lead-lag compensation |
12/02/1980 | CA1090902A1 Mold temperature control system |
12/02/1980 | CA1090597A1 Method and aggregate for optimizing the heat economy in buildings by means of a heat pump |
12/02/1980 | CA1090577A1 Glass sheet temperature control apparatus and method |
11/26/1980 | EP0019416A1 An air conditioner control apparatus |
11/26/1980 | EP0019344A1 Method and device for controlling the temperature inside an enclosed space |
11/26/1980 | EP0019300A1 Heating and/or cooling system |
11/26/1980 | EP0019276A2 Heating apparatus with programmable timer |
11/25/1980 | US4236084 Apparatus and method for in-line energization and de-energization of external loads in series with an external source of electricity in response to externally sensed parameters |
11/25/1980 | US4236064 High-accuracy temperature control with heat resistance compensation |
11/25/1980 | US4235577 Automatic curing cycle control system |
11/25/1980 | US4235368 Thermostat assembly |
11/25/1980 | CA1090443A1 Time controlled thermostat with battery operated timer |
11/18/1980 | US4234927 Micro processor controlled sensor system for apartment house |
11/18/1980 | US4234784 Cooking appliance controls |
11/18/1980 | US4234782 Space heating using off-peak electric heat storage |
11/18/1980 | US4234124 Control system for gas kiln |
11/18/1980 | CA1089996A1 Safety output control for a data processing system emitting binary signals |
11/18/1980 | CA1089924A1 Device for the control of the light emission of a gasdischarge lamp |
11/14/1980 | EP0015283A4 Resistance measuring circuit and controller using the same. |
11/12/1980 | EP0018821A1 Temperature control for liquid in a container |
11/12/1980 | EP0018502A1 Process and installation for the homogeneous-radiation air conditioning of a space, closed on all sides, especially of a tepidarium |
11/11/1980 | US4233498 Power control for appliance using high inrush current element |
11/11/1980 | US4232819 Control system for environmental apparatus |
11/11/1980 | US4232818 Control unit for starting a climitization procedure in a building |
11/11/1980 | US4232817 Adjustment control for a thermostatic valve |
11/11/1980 | US4232531 Thermostatic control apparatus for evaporative cooling system |
11/04/1980 | US4231515 Pressurized control signal apparatus |
11/04/1980 | US4231513 Thermally actuated diffuser |
11/04/1980 | US4231512 Thermostat |
11/04/1980 | US4231352 Interface circuit for adding solar heat to a building heating and cooling system |
11/04/1980 | CA1088902A1 Method of and apparatus for controlling a heat transfer plant |
10/30/1980 | WO1980002352A1 Method and apparatus for regulating the temperature of a heating element in a water heater |
10/28/1980 | US4230731 Microwave cooking method and control means |
10/21/1980 | US4229753 Voltage compensation of temperature coefficient of resistance in an integrated circuit resistor |
10/21/1980 | US4229687 Temperature maintained battery system |