| Patents for G05D 23 - Control of temperature (28,546) |
|---|
| 02/19/1991 | US4994652 Device for controlling the heating output of the heating element of a cooking or heating plate |
| 02/19/1991 | US4993628 Radiator hose with internally mounted thermostat |
| 02/19/1991 | US4993480 Temperature controlling means for a thermostat for use in measuring viscosity |
| 02/19/1991 | US4993231 Thermostatic expansion valve with electronic controller |
| 02/19/1991 | CA1280293C Heat source circuitry for biological material analysis |
| 02/16/1991 | WO1991002482A1 Food rethermalizing and satelliting tray |
| 02/16/1991 | WO1991002481A1 Food service system and method of rethermalizing food |
| 02/16/1991 | WO1991002480A1 Food service cart with individually removable heaters |
| 02/16/1991 | WO1991002478A1 Food service cart with individually activatable heaters |
| 02/14/1991 | DE4023439A1 Room temperature regulator - has valve-controlled heater and temp. sensor with heating resistor influencing valve position connected to supply via converter |
| 02/13/1991 | EP0412244A1 Process and apparatus for controlling the temperature of a boiler |
| 02/12/1991 | US4991770 Thermostat with means for disabling PID control |
| 02/12/1991 | US4991625 Multiple stream fluid mixing and dispensing apparatus |
| 02/12/1991 | CA1280143C Electronic temperature control for cordless iron |
| 02/07/1991 | DE3925590A1 Automatic filling of domestic bath - has programmable controller responding to level and temperature sensors to control valves |
| 02/05/1991 | CA1279857C Joule-thomson apparatus with temperature sensitive annular expansion passageway |
| 01/30/1991 | EP0410570A2 Air conditioner apparatus with starting control for parallel operated compressors based on high pressure detection |
| 01/30/1991 | EP0409989A1 Method of controlling temperature of machine tool and apparatus for practicing same |
| 01/30/1991 | CN2070471U Oil heat-conducting heater |
| 01/30/1991 | CN2070470U Thermo-insulating controller |
| 01/29/1991 | US4988971 Superconducting temperature controller |
| 01/29/1991 | CA1279480C Airconditioning system for a vehicle |
| 01/24/1991 | DE3923252A1 Interior space temp. regulation esp. of motor vehicle - includes correction for exterior temp. in heater control setting with delayed operation in cold-start conditions |
| 01/23/1991 | CN2070014U Standard alarm for detecting shaft temperature |
| 01/23/1991 | CN2070013U External setting temperature controller |
| 01/23/1991 | CN2070012U Combination switch of control of temperature |
| 01/22/1991 | US4986470 Flow controller |
| 01/22/1991 | CA1279388C Vehicle air-conditioning control apparatus |
| 01/22/1991 | CA1279358C Temperature controller for a waterbed |
| 01/16/1991 | EP0408182A2 Apparatus for use in analysing sample solutions |
| 01/16/1991 | CN2069581U Electron voltage-stabilizing energy-saving life-increasing protector for refrigerator |
| 01/16/1991 | CN1011266B Ratio control system |
| 01/15/1991 | US4984735 Sensing refrigerant temperature in a thermostatic expansion valve |
| 01/15/1991 | US4984628 Apparatus for maintaining liquid temperature at a constant level |
| 01/15/1991 | CA1279120C Method for leading and controlling the temperature rises in electrically heatedrooms |
| 01/10/1991 | WO1991000563A1 Self-calibrating temperature control device for a heated fuser roller |
| 01/10/1991 | DE4020502A1 Extrapolation of time varying measurement parameter - by deriving steady state value from instantaneous value, time derivative and differential quotient |
| 01/10/1991 | DE3937901C1 Regulating output of electrical heater - using threshold valve switch and variable resistor combination to ensure min. RPM of fan motor |
| 01/08/1991 | US4984184 Controlling device for electric apparatus |
| 01/08/1991 | US4983811 Auxiliary electronic temperature control system for oven |
| 01/08/1991 | US4982704 Vehicle cooling system subassembly and parts therefor |
| 01/08/1991 | US4982582 Temperature control device for a refrigerating container |
| 01/08/1991 | CA1278809C Heater for use as either primary or auxiliary heat source and improvedcircuitry for controlling the heater |
| 01/03/1991 | DE3919947A1 Cooker control panel for hob and oven - incorporating clock display and timer coupled to processor for automatic timing of cooking interval |
| 01/02/1991 | EP0405149A2 Room condition maintaining apparatus |
| 01/02/1991 | EP0404914A1 Procedure for controlling and maintaining air currents or equivalent in an air-conditioning installation, and an air-conditioning system according to said procedure. |
| 01/01/1991 | US4982347 Process and apparatus for producing temperature profiles in a workpiece as it passes through a belt furnace |
| 01/01/1991 | US4981260 Failsafe thermostat for water-cooled engines |
| 01/01/1991 | US4980933 Washing device for parts of human body |
| 12/27/1990 | EP0404209A1 Ferromagnetic element with temperature regulation |
| 12/27/1990 | EP0203918B1 Method for performance control at heat pumps or refrigerating installations and arrangement for carrying out the method |
| 12/27/1990 | CA1278357C Advanced steam temperature control |
| 12/27/1990 | CA1278356C Air conditioning apparatus |
| 12/27/1990 | CA1278330C Control system for cooking apparatus |
| 12/25/1990 | US4980538 Heating and temperature-control device for biological sample containers |
| 12/25/1990 | US4979671 Auto thermostat |
| 12/25/1990 | US4979372 Refrigeration system and a thermostatic expansion valve best suited for the same |
| 12/20/1990 | DE4017382A1 Heat-engine plant for air-conditioning valve operation - opens and closes flaps by selective heating of wax in opposed piston engines controlled by thermostat |
| 12/20/1990 | DE3919136A1 Regulating central heating system - involves constantly adjusting device which operates in different temp. zones to bring them all to uniform temp. |
| 12/19/1990 | EP0403255A2 Automotive oil level control valve apparatus |
| 12/19/1990 | EP0402598A2 Cooking appliance interface |
| 12/19/1990 | CN1010881B Wind-direction deflection device for air conditioner |
| 12/19/1990 | CN1010880B Controlling apparatus for air-conditioner |
| 12/18/1990 | US4978866 Ramp circuit for control loop |
| 12/18/1990 | US4978838 Device for electronic control of the supply of a heating resistance |
| 12/18/1990 | US4978063 Automatic control device for indirect fired water heaters and heat exchangers |
| 12/18/1990 | US4978062 Thermostatic expansion valve with bi-directional flow |
| 12/18/1990 | US4978060 Engine coolant thermostat with pressure relief feature |
| 12/18/1990 | US4978059 Modular pressure balanced valve assembly |
| 12/18/1990 | US4978058 Flow control systems and/or laundry machines including such flow control systems |
| 12/18/1990 | CA1278070C Electronic thermostat having selectable multiple predetermined temperature programs |
| 12/13/1990 | DE4016898A1 Heating regulator for dwellings - has internal timer with stipulated value generator giving different values for night and day as well as working days and week-ends |
| 12/13/1990 | DE3923566C1 Electronically-controlled hot and cold water mixer - has adjuster working with electronic unit allowing ratio to be set or regulated taking into account rated value |
| 12/12/1990 | EP0401768A2 A control device for driving the drum of a washing or drying machine for laundry |
| 12/12/1990 | CN2067424U Polymerase chain reaction dna augmenting instrument |
| 12/11/1990 | US4977515 Load management device and method of use |
| 12/11/1990 | US4976462 Water cooling means for engine |
| 12/11/1990 | US4976460 Thermostatic valves |
| 12/11/1990 | US4976194 Bread toaster |
| 12/11/1990 | CA1277503C Power switch and baffle assembly for a refrigerator |
| 12/06/1990 | DE3917482A1 Air conditioning control circuitry with redundancy - has internal controllers in all devices activating redundant ready devices when redundancy line voltage changes |
| 12/05/1990 | EP0400401A2 Volume flowregulator for a duct |
| 12/05/1990 | EP0400087A1 Reaction temperature control. |
| 12/05/1990 | CN1010708B Air-conditioning apparatus |
| 12/04/1990 | US4975630 Constant power supply unit of electric heating apparatus |
| 12/04/1990 | US4975245 Recirculating high velocity hot air sterilization process |
| 12/04/1990 | US4974665 Humidity control system |
| 12/04/1990 | US4974664 Compensating for water pump speed variations in a tempered air system for vehicle passenger compartments |
| 12/04/1990 | US4974636 Computerized water faucet |
| 12/04/1990 | CA1277191C Pneumatic interface apparatus |
| 11/29/1990 | WO1990014563A1 Control device |
| 11/29/1990 | CA2017623A1 Device for controlling a volumetric rate of flow in a guide tube |
| 11/28/1990 | EP0399115A1 Electrical control device |
| 11/28/1990 | EP0222808B1 Press for fabrics |
| 11/28/1990 | CN1047381A Refrigerating system for use in vehicle with engine which enables selective use of commercial ac power source and generator driven by engine for driving refrigerant compressor |
| 11/27/1990 | CA1277006C Temperature responsive baffle control circuit for a refrigerator |
| 11/22/1990 | EP0398743A2 Refrigerating system for use in vehicles |
| 11/21/1990 | CN1047030A Therapeutic apparatus for common cold |
| 11/20/1990 | US4971136 Dual fuel heat pump controller |
| 11/20/1990 | US4971106 Automatically operating valve for regulating water flow and faucet provided with said valve |