Patents for G05D 23 - Control of temperature (28,546) |
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09/09/1981 | EP0035407A2 Glow plug control system for a Diesel engine |
09/09/1981 | EP0035197A1 Device for heating flat thermoplastic semi-finished goods |
09/09/1981 | EP0035079A1 Thermostat assembly for engine cooling systems |
09/08/1981 | US4288854 Bi-modal temperature controller |
09/08/1981 | US4288853 Digital temperature control system |
09/08/1981 | US4288404 Coolant flow regulator |
09/08/1981 | US4288271 Temperature control apparatus |
09/08/1981 | US4288033 Control valve assembly |
09/08/1981 | US4288031 Thermostatic control valve |
09/08/1981 | US4287939 Air conditioning control system with local and remote control capabilities |
09/08/1981 | US4287909 Valve for developing variable output pressure |
09/08/1981 | CA1108724A1 Apparatus for conserving energy in electrical appliances |
09/02/1981 | EP0034971A1 Remote programming device for a central heating installation |
09/02/1981 | EP0034591A1 Apparatus for controlling capacity of a multiple-stage cooling system. |
09/01/1981 | US4286750 Thermostatic valve device having non-linear flow characteristics |
09/01/1981 | US4286749 Automatic fluid mixing valves |
08/26/1981 | EP0034535A1 Electronic thermostat, especially for electric convector control |
08/26/1981 | EP0034373A1 Apparatus for controlling an air conditioner for a vehicle |
08/25/1981 | US4286140 Apparatus for raising a liquid to a given temperature |
08/25/1981 | US4285467 Three-port thermally responsive valve |
08/25/1981 | US4285466 Apparatus for mixing high and low pressure air from a jet engine |
08/25/1981 | US4285465 Thermostatic devices |
08/25/1981 | US4285207 Air conditioning apparatus comprising refrigerant shortage sensor |
08/25/1981 | CA1107843A2 Time controlled thermostat |
08/25/1981 | CA1107842A1 Control system for cooling tower fans |
08/25/1981 | CA1107841A1 Thermostat, method of operating, and method of heating a temperature sensing means |
08/19/1981 | EP0033822A1 A process and a device for hot working |
08/18/1981 | US4284237 Air conditioning control system with master and tracking controllers |
08/18/1981 | US4284236 Air conditioning system |
08/18/1981 | US4284126 Environmental control system for a multiple room structure |
08/18/1981 | US4283921 Control and alarm system for freezer case temperature |
08/18/1981 | US4283920 Refrigerating device |
08/18/1981 | US4283823 Method of making an actuating member for a thermostatically controlled valve |
08/12/1981 | EP0033593A2 Power control apparatus |
08/12/1981 | EP0033499A2 Heat indication method and device |
08/11/1981 | US4283638 Field effect transistor switched temperature control circuit |
08/11/1981 | US4283009 Control valve for fluid-operated clutch |
08/11/1981 | US4283008 Pressurized signal control apparatus |
08/11/1981 | US4283007 Multiple load integrated fluid control units |
08/11/1981 | US4283006 Thermally-activated closure device |
08/11/1981 | US4282718 Evaporator inlet water temperature control system |
08/11/1981 | CA1106813A1 Control devices for heaters |
08/04/1981 | US4282423 Deep fat fryer having a solid-state control circuit |
08/04/1981 | US4282422 Power control for appliance using multiple high inrush current elements |
08/04/1981 | US4281790 Safety shower head |
08/04/1981 | US4281708 Automatic thermal switch |
08/04/1981 | US4281686 Three way butterfly valve |
08/04/1981 | CA1106511A1 Means for correlation of digital display of a setpoint and an actual controlled value |
08/04/1981 | CA1106430A1 Device for heating to consumption temperature a liquid commestible product sealed in a disposable container |
07/29/1981 | EP0032735A2 Method and system for controlling a vehicle-mounted air conditioner |
07/28/1981 | US4281237 Safety circuit for electric bedcover |
07/28/1981 | US4280655 Automotive thermostatic valve |
07/28/1981 | US4280654 Thermostat construction with an annular sealing member |
07/28/1981 | US4280330 Vehicle heating and cooling system |
07/28/1981 | CA1106042A1 Means and method for controlling the operation of a drying apparatus |
07/23/1981 | WO1981002058A1 Heat cooker |
07/21/1981 | CA1105263A1 Method and apparatus for controlling comfort conditions including setback |
07/15/1981 | EP0032112A1 Thermostat device for valve control |
07/15/1981 | EP0031870A2 Device for measuring very small temperature differences over micrometric distances |
07/15/1981 | EP0031861A2 Process for regulating an electric heating system and device for putting it into use |
07/14/1981 | US4278873 Temperature-responsive control means |
07/14/1981 | US4278872 Temperature controller with pulsed heating during idle |
07/08/1981 | EP0031560A2 Device for lowering the temperature of radiators |
07/08/1981 | EP0031518A1 Automobile Air-Conditioning Control Apparatus |
07/08/1981 | EP0031516A2 Control device for electric heating devices |
07/07/1981 | US4277784 Switch scanning means for use with integrated circuits |
07/07/1981 | US4277672 Control circuit for controlling quantity of heat to electrically heatable windshield |
07/07/1981 | US4277671 Temperature control system for electric heating appliance |
07/07/1981 | US4277670 Temperature control system for electric heating apparatus |
07/07/1981 | US4277019 Electrically-controlled damper |
07/07/1981 | US4277018 Clock thermostat apparatus for resetting the temperature of a space during selected time periods with means for varying the pickup time as a function of the drop in space temperature during the setback period |
07/07/1981 | US4276925 Electronic temperature control system |
07/07/1981 | US4276754 Refrigerator control and system |
07/07/1981 | CA1104539A1 Adjustment control for a thermostatic valve |
06/30/1981 | US4276506 Motor control circuit |
06/30/1981 | US4275987 Adjustable surge and capacity control system |
06/30/1981 | US4275508 Clothes dryer temperature control system |
06/30/1981 | CA1104237A1 Air conditioning control and method of operation |
06/23/1981 | US4274475 Control apparatus for regulating building perimeter temperature change system |
06/23/1981 | US4274474 Hydraulic control and drive device for rotary heat exchanger |
06/23/1981 | US4274265 Method and apparatus for automatically operating car-mounted air-conditioner |
06/17/1981 | EP0030372A2 Electrophotographic copier |
06/16/1981 | US4274145 Digital thermostat |
06/16/1981 | US4273150 Leverless pressure transducer |
06/16/1981 | CA1103336A1 Plural load power controller with time shared processor |
06/10/1981 | EP0029922A2 Heating control device |
06/09/1981 | US4272823 Control system for a reactor |
06/09/1981 | US4272671 Temperature control system for electric surface heater |
06/09/1981 | US4272013 Vent control arrangement for combustion apparatus |
06/09/1981 | US4272012 Method and system for controlling a plurality of temperature conditioning units |
06/09/1981 | US4271898 Economizer comfort index control |
06/09/1981 | US4271859 Temperature sensor |
06/09/1981 | CA1102766A1 Thermostatic control valve |
06/09/1981 | CA1102765A1 Snap action thermally responsive fluid control valve |
06/03/1981 | EP0029810A1 Method and device for regulating the temperature in a dryer, particularly a clothes dryer |
06/03/1981 | EP0029761A1 Mixing valve for continuous-flow heater |
06/02/1981 | US4271106 Resin curing |
06/02/1981 | US4270694 Fluid flow regulating systems |
06/02/1981 | US4270693 Electronic thermostat with heat anticipation and control method incorporating same |
06/02/1981 | US4270597 Thermostat and circuit |