| Patents for G05D 23 - Control of temperature (28,546) |
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| 05/07/1991 | US5014210 Microprocessor controlled soldering station |
| 05/07/1991 | US5014185 Loop control apparatus |
| 05/07/1991 | US5012973 Window air conditioning unit having a built-in programmable thermostat with remote temperature sensor |
| 05/07/1991 | US5012656 Heat sink for a control device in an automobile air conditioning system |
| 05/03/1991 | WO1991006898A1 Dual mode pneumatic control system |
| 05/02/1991 | EP0425479A2 Driver circuit for a d.c.motor without collector, especially to drive a ventilator |
| 05/02/1991 | EP0425454A1 A system for controlling the heating of the passenger compartment of a motor vehicle |
| 05/02/1991 | EP0424831A2 Method and device for regulating interior temperature of a motor vehicle |
| 05/02/1991 | DE3936094A1 Regulation system for ventilation and air-conditioning air outlet - uses comparison of measured pressure with calculated required value to adjust regulation path transfer function |
| 05/02/1991 | DE3935543A1 Valve adaptor for water supply system - contains linearising element to improve regulation of hot and cold water mixing according to given formula |
| 05/01/1991 | CN2076254U Safety temp controller |
| 05/01/1991 | CN1012521B Temp. controlling means of refrigerator |
| 05/01/1991 | CA2021800A1 Pneumatic variable air volume controller |
| 04/30/1991 | US5011076 Pneumatic temperature control |
| 04/30/1991 | US5011075 Variable flow valve |
| 04/30/1991 | US5011074 Thermostatic mixing valve with thermostat failure compensation |
| 04/25/1991 | DE4033163A1 Heating installation control - includes pump which is activated on time basis when running temp. falls below preset value |
| 04/24/1991 | EP0424365A2 Controlling device for electric apparatus |
| 04/24/1991 | EP0423340A1 Spot air conditioner |
| 04/24/1991 | CN2075797U Automatic controlled monitor for physiotherapy temperature |
| 04/23/1991 | US5009076 Refrigerant loss monitor |
| 04/19/1991 | CA2000946A1 Automatic temperature monitoring system |
| 04/18/1991 | DE3934201A1 Vehicular combustion engine coolant system - has thermostatic switch operated by expansion of element in heater supply circuit to increase fan speed at higher temp. |
| 04/17/1991 | EP0422305A1 Float chamber |
| 04/17/1991 | EP0241526B1 Control and switching apparatus for electric heating |
| 04/16/1991 | US5008775 Sensor and control module with improved sensor isolation |
| 04/16/1991 | US5007582 Reduced pressure steam heat treating device |
| 04/16/1991 | CA1283190C Temperature controller for a transport refrigeration system |
| 04/11/1991 | DE4031050A1 Vehicular heating and air-conditioning temp. control system - incorporates internal air temp. controller and more inert air recirculation controller checked at regular intervals |
| 04/11/1991 | DE3932327A1 Controlling boiler water temp. in central heating - changing switching difference with additional dependence on characteristic |
| 04/10/1991 | EP0421713A1 Flow path switching apparatus in automatic regulating valve |
| 04/10/1991 | EP0421550A1 Method for the accomodation of a control system for a heating installation with a burner, and a control system for such an installation |
| 04/09/1991 | US5006695 Process controller including power level control and method of operation |
| 04/09/1991 | US5005399 Resistively heated gas chromatograph system |
| 04/09/1991 | US5005370 Thermal expansion valve |
| 04/09/1991 | US5005365 Thermostat speed bar graph for variable speed temperature control system |
| 04/04/1991 | WO1991004523A1 Steam/water mixer |
| 04/03/1991 | EP0420678A2 Fluid viscoelastic test apparatus and method |
| 04/03/1991 | EP0420523A2 Heater control system |
| 04/03/1991 | EP0419884A1 Heating or air-conditioning installation, in particular for a motor vehicles, with air mixture temperature control of the passenger compartment |
| 04/03/1991 | EP0419707A1 Heating or air conditioning apparatus, particularly for a motor vehicle, using air mixture temperature control |
| 04/02/1991 | US5004973 Method and apparatus for maintaining electrically operating device temperatures |
| 04/02/1991 | US5004881 Method and circuit for controlling power level in the electromagnetic induction cooker |
| 04/02/1991 | US5004149 Central air conditioning system having compensating control function for total heat load in a plurality of rooms |
| 03/30/1991 | WO1991005300A1 Temperature control of a heated probe |
| 03/30/1991 | CA2025551A1 Fluid viscoelastic test apparatus and method |
| 03/28/1991 | DE4028501A1 Controlling heating of rooms for economy - using real=time temp. valves and stored building parameters to delay switching of heating appts. for max. period |
| 03/28/1991 | DE3930982A1 Adjusting device with control knob thermostat - uses shaft in conjunction with potentiometer to operate electrical switch |
| 03/27/1991 | EP0418229A1 Method in continuous heat treatment of a liquid the flow of which varies. |
| 03/27/1991 | EP0259364B1 Bushing balance controller |
| 03/27/1991 | CN2074028U High precision numerical display temp. controller |
| 03/27/1991 | CN2074027U Contactless automatic controller for displaying and control temp. |
| 03/26/1991 | US5003160 Reflow furnace control system |
| 03/26/1991 | US5002226 Thermostat with mechanical heat anticipation and droop control |
| 03/21/1991 | DE3930084A1 Cooling fluid thermostat for IC engine - uses similar metals for construction of two main parts in conjunction with round sealing rings |
| 03/20/1991 | EP0418089A1 Heater activating apparatus |
| 03/20/1991 | EP0417782A2 Adaptive process control system, especially for control of temperature of flowing fluids |
| 03/20/1991 | CN2073600U Gravity sensor |
| 03/20/1991 | CN2073599U Temp.-control alarm detector wth shape-memory alloy element |
| 03/19/1991 | US5001423 Dry interface thermal chuck temperature control system for semiconductor wafer testing |
| 03/19/1991 | US5001329 Electric cooking appliance |
| 03/19/1991 | US5000464 Gasket with a fluid hole regulation device |
| 03/19/1991 | US5000382 Preset timed control for HVAC operation |
| 03/19/1991 | US5000009 Method for controlling an electronic expansion valve in refrigeration system |
| 03/19/1991 | CA1281798C System for selectively controlling a series of peripheral terminals through acentral control device |
| 03/16/1991 | WO1991004524A1 Adjustment device and method for cooking apparatus |
| 03/16/1991 | CA2065855A1 Adjustment device and method for cooking apparatus |
| 03/13/1991 | EP0416715A1 Warm-up arrangement for central air conditioning system |
| 03/13/1991 | CN2073131U Digital automatic temp. controller |
| 03/13/1991 | CN2073130U Semiconductor temp.-control dust-proof shielding apparatus for microcomputor |
| 03/13/1991 | CN2072808U Adjustable electricle heating pot |
| 03/12/1991 | CA1281394C Welded contact safety technique |
| 03/12/1991 | CA1281393C Automatic chilled water setpoint temperature control using return chilled water temperature |
| 03/09/1991 | WO1991003805A1 Vehicular monitoring system |
| 03/08/1991 | WO1991003633A1 Safety thermostat |
| 03/08/1991 | CA2041659A1 Safety thermostat |
| 03/07/1991 | WO1991002483A1 Food service indication system |
| 03/07/1991 | WO1991002479A1 Food service dish |
| 03/07/1991 | DE3929414A1 Mfg. thermostatic control element e.g. controlled valve - using deformable fitting projections heated to deformation temp. to mount activation device on housing |
| 03/06/1991 | EP0415147A2 Set-point adjuster for motor vehicle air-conditioning systems |
| 03/06/1991 | EP0414691A1 Electronic tapware |
| 03/06/1991 | CA2023109A1 Indoor air blower on/off delay in environmental control system |
| 03/05/1991 | US4997662 Method in continuous heat treatment of a liquid the flow of which varies |
| 03/05/1991 | US4997030 Central air conditioning system having remote controller in a plurality of rooms for starting or stopping air conditioning apparatus |
| 03/05/1991 | US4997029 Air conditioning apparatus |
| 02/28/1991 | DE3934640C1 Regulating temp. of laser radiation directed to biological tissue - measuring IR radiation emitted from latter exclusively in spectral range of atmospheric window |
| 02/27/1991 | EP0414331A1 Changeover arrangement for a central air conditioning unit |
| 02/27/1991 | EP0414231A2 Control device for heat collection type ventilation equipment |
| 02/27/1991 | EP0413900A2 Valve Control |
| 02/27/1991 | EP0413808A1 Control arrangement for a seat heater. |
| 02/27/1991 | EP0201573B1 Process for the stepped adjustment of the electric power occurring on a resistance connected to voltage over a switch, and circuit arrangement for implementing the process |
| 02/27/1991 | CN2072245U Electrothermal auto-temp controller |
| 02/27/1991 | CN2072244U Multi-channel high-precision program controller for temp |
| 02/27/1991 | CN1011836B Temp. feedback control technique for degree of dryness of tea |
| 02/26/1991 | CA1280727C Fitting for a thermostatic valve |
| 02/21/1991 | WO1991002127A1 Tap for hot-cold mixed water and structure for fixation thereof |
| 02/20/1991 | EP0412959A1 A method for analysing and controlling a cooling process. |
| 02/20/1991 | CN2071806U Direct-acting type temp. regulator |
| 02/20/1991 | CN1049408A Temperature controlling unit used in porpular cold cabinet and special cold cabinet |
| 02/19/1991 | US4994653 Control unit and method of making the same |