| Patents for G05D 27 - Simultaneous control of variables covered by two or more of main groups (2,795) |
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| 06/09/1998 | US5763858 Automatically controlled ice and snow melting system including a two-wire remote control |
| 04/14/1998 | US5738276 Valve |
| 04/14/1998 | US5737934 For modifying the temperature/moisture content of air within an enclosure |
| 03/24/1998 | US5729989 For a car air conditioner |
| 03/18/1998 | CN1176368A Air current control apparatus for air conditioner and methods |
| 03/10/1998 | US5725425 Sensor system for controlling ventilation systems in vehicles |
| 02/25/1998 | CN1174345A Two-dimensional light-movable platform driven precisely by piezoelectric supersonic miniature motor |
| 01/29/1998 | WO1998003275A1 System and method for controlling airflow in a laboratory or fume hood |
| 01/08/1998 | WO1998000676A1 Environmentally enhanced enclosure for managing cmp contamination |
| 12/23/1997 | CA2156685C Temperature and pressure control means for water bed |
| 12/18/1997 | WO1997048030A1 Thermal comfort controller |
| 11/12/1997 | CN2267473Y Pneumatic differential pressure/pressure control device |
| 10/23/1997 | WO1997039396A1 Self-contained temperature and pressure operated pinch valve |
| 09/16/1997 | US5666793 For an operator to operate a combine to optimize harvesting output |
| 09/16/1997 | CA2171556C Hydroponic control apparatus |
| 09/03/1997 | EP0793158A1 Method and device for controlling a blind |
| 07/30/1997 | EP0786712A2 Method and device for controlling air temperature and humidity in an air conditioning system |
| 07/24/1997 | WO1997026525A1 Method for monitoring biological activity in fluids |
| 07/23/1997 | EP0785363A2 Current regulator |
| 05/22/1997 | DE19543400A1 Sauna climate control method |
| 04/30/1997 | DE19638152A1 Combined volume-flow and differential pressure regulating valve unit |
| 04/29/1997 | US5624535 Production system of electrolyzed water |
| 04/03/1997 | WO1997011663A1 Controller for a patient warming device |
| 03/19/1997 | EP0699317B1 Indoor climate controller |
| 02/19/1997 | CN1143420A Sensor arrangement for controlling vehicle ventilation system |
| 02/12/1997 | EP0757632A1 Sensor arrangement for controlling vehicle ventilation systems |
| 01/21/1997 | US5595105 Apparatus for automatically cooking rice |
| 12/17/1996 | US5584901 Dispersed phase separator |
| 11/14/1996 | DE19539348C1 Regulation of ambient conditions within a sauna cabin |
| 10/02/1996 | EP0735301A2 Thermostatic valve |
| 07/03/1996 | CN1125857A Control system for calculating coal and gas mixed thermal value and pressure |
| 07/03/1996 | CN1125553A Apparatus for automatically cooking rice and method for controlling the same |
| 05/29/1996 | CN1123574A Indoor climate controller |
| 04/23/1996 | US5510989 System for influencing the travel dynamics of an automobile |
| 04/09/1996 | US5505378 Air-conditioner controllable to simulate environmental characteristics of various world regions |
| 03/27/1996 | EP0702891A1 Combine operation with operating data registry |
| 03/06/1996 | EP0699317A1 Indoor climate controller |
| 02/29/1996 | DE4429809A1 Fully automatic, continuous fermentation control |
| 01/02/1996 | CA2031962C Method of controlling the quality of dough during its processing |
| 12/19/1995 | US5475986 Microprocessor-based control system for heat pump having distributed architecture |
| 11/02/1995 | WO1995029435A1 Sensor system for controlling ventilation systems in vehicles |
| 11/02/1995 | WO1995029072A1 Sensor arrangement for controlling vehicle ventilation systems |
| 11/02/1995 | EP0679350A1 Hair dryer with controlled air flow |
| 09/27/1995 | EP0674249A1 Mixing or homogenizing a first liquid and a second liquid or a gas |
| 09/26/1995 | USRE35040 Pressure and temperature relief valve and diaphragm valve |
| 09/26/1995 | US5453077 Infant thermal support device |
| 09/19/1995 | US5450999 Variable air volume environmental management system including a fuzzy logic control system |
| 07/04/1995 | US5428964 Control for air quality machine |
| 06/27/1995 | US5426951 Air conditioning apparatus with cross control means therein |
| 03/30/1995 | WO1995008260A1 Hydroponic control apparatus |
| 03/28/1995 | US5400607 System and method for high-efficiency air cooling and dehumidification |
| 12/07/1994 | CN1096092A Decoupling and controlling system for mixed thermal value and pressure of gas |
| 11/29/1994 | CA1333294C Method for the optimal comfort and efficiency control of variable speed heat pumps and air conditioners |
| 11/24/1994 | WO1994027203A1 Indoor climate controller |
| 11/15/1994 | US5364024 Application independent, portable room temperature and humidity controller |
| 10/20/1994 | DE4312088A1 Diaphragm-controlled flow regulating valve |
| 09/13/1994 | US5346129 Indoor climate controller system adjusting both dry-bulb temperature and wet-bulb or dew point temperature in the enclosure |
| 07/21/1994 | WO1994016374A1 Control system for one or more working areas |
| 07/13/1994 | EP0380615B1 A method for the optimal comfort and efficiency control of variable speed heat pumps and air conditioners |
| 05/10/1994 | US5309725 System and method for high-efficiency air cooling and dehumidification |
| 04/19/1994 | US5303561 Control system for heat pump having humidity responsive variable speed fan |
| 03/03/1994 | DE4228893A1 System for controlling travel dynamics of road vehicle e.g. for ABS or ASR - has sensors for determining longitudinal, transverse or sheer coupled to and physically combined with evaluation unit in module, and separates further evaluation units for activating actuators from module |
| 01/27/1994 | DE4224016A1 Control of cooling in stores of agricultural grain or fodder - involves continuous measurements of temp. in surrounding air as well as in grain cooled by two-phase fluid circulation in air duct |
| 01/11/1994 | CA1326077C Precision a/d converter utilizing a minimum of interface interconnections |
| 12/22/1993 | CN2150579Y Intelligent controller for automobile |
| 11/16/1993 | US5263116 Heater for liquid |
| 07/22/1993 | WO1993014451A1 Electronically timed shower controller |
| 06/30/1993 | CN1073783A Electromechanical integrated digital-control needle valve |
| 04/29/1993 | DE4135430A1 Fluid dispenser for controlled rate and temp. of delivery - dispenses purging nitrogen in packing industry applications, for raid cooling of hot products |
| 02/18/1993 | DE4127179A1 Climatic control method for animal shed to regulate temp. humidity and air quality - using microprocessor connected to humidity and temp. sensors to regulate heating and air flow |
| 02/10/1993 | EP0526668A1 Heater for liquid |
| 01/26/1993 | US5181387 Air conditioning apparatus |
| 09/16/1992 | CN2116241U Bypass throttling constant speed loading shifting and emergency controller |
| 08/04/1992 | US5135684 Multiphase process mixing and measuring system |
| 07/22/1992 | CN1062919A Method for control calorific value pressure of mixed gases |
| 07/21/1992 | US5131238 Air conditioning apparatus |
| 04/21/1992 | US5106636 Method of controlling the quality of dough during its processing |
| 01/22/1992 | EP0467037A2 Method and apparatus for welding of thermoplastic webs |
| 01/22/1992 | EP0380615A4 A method for the optimal comfort and efficiency control of variable speed heat pumps and air conditioners |
| 12/10/1991 | US5071066 Pressure and temperature responsive valve |
| 10/17/1991 | CA2036675A1 Pressure and temperature relief valve and diaphragm valve |
| 09/25/1991 | CN2085533U Manostat for water supply of fire-fighting |
| 09/17/1991 | US5048751 Pressure and temperature relief valve and diaphragm valve |
| 08/27/1991 | CA1288144C Anti-frost system for a windshield of a motor vehicle |
| 07/31/1991 | EP0263166A4 Air conditioning apparatus |
| 06/26/1991 | CN1052413A Method of controlling quality of dough during its processing |
| 06/26/1991 | CN1013005B Multifunctional automatic controller convenient to extend its functions |
| 06/19/1991 | EP0433038A1 A method of controlling the quality of dough during its processing |
| 06/18/1991 | US5025132 Microprocessor controlled food treatment cabinet with flash steamer and compensating humidity control routines |
| 05/02/1991 | EP0424503A1 Multiphase process mixing and measuring system |
| 04/23/1991 | US5009339 Method of and an apparatus for venting a filling plant |
| 03/15/1991 | CA2023843A1 System for creating comfortable space |
| 01/29/1991 | US4987748 Air conditioning apparatus |
| 01/02/1991 | EP0405149A2 Room condition maintaining apparatus |
| 11/06/1990 | WO1990013859A1 Multiphase process mixing and measuring system |
| 11/06/1990 | US4967739 Method of and apparatus for making rod-shaped articles of the tobacco processing industry |
| 08/08/1990 | EP0380615A1 A method for the optimal comfort and efficiency control of variable speed heat pumps and air conditioners. |
| 06/26/1990 | US4937575 Precision A/D converter utilizing a minimum of interface interconnections |
| 05/23/1990 | DE3838498A1 Device for the control of hoists |
| 05/09/1990 | EP0366997A1 Method for deaerating a filling installation, and device for performing the method |