| Patents for G05D 16 - Control of fluid pressure (11,321) |
|---|
| 04/17/1990 | US4917140 Pressure regulator valve |
| 04/12/1990 | DE3834485A1 Verfahren und einrichtung zur steuerung und ueberwachung des betriebszustands einer druckerzeugungseinrichtung Method and device for controlling and monitoring the working conditions of a pressure generating device |
| 04/11/1990 | EP0362401A1 Control valve unit |
| 04/10/1990 | US4915349 Gas governor apparatus and gas piping system |
| 04/10/1990 | US4915127 Compressed gas regulator with pressurized sealed bonnet |
| 04/04/1990 | EP0362166A2 Improvement to gas regulator |
| 04/04/1990 | EP0361539A2 Expansion valve for regulating the flow of refrigerant to an evaporator of a refrigeration plant or heat pump |
| 04/04/1990 | CN1041031A Pressure-adjusting method with damping capillary and relevant pressure-controlling valve |
| 03/29/1990 | DE3831353A1 Pressure regulator for a pressure medium installation |
| 03/28/1990 | CN2055216U Self-closing l.p.g pressure regulating valve |
| 03/28/1990 | CN2055215U Bi-automatic cut-off type combustion gas pressure regulator |
| 03/27/1990 | US4911192 Method of and apparatus for control of saftey valves |
| 03/27/1990 | US4911068 Cooking apparatus |
| 03/27/1990 | CA1267034A1 Hydraulic servomechanism for controlling the pressure of writing fluid in an ink jet printing system |
| 03/20/1990 | US4909367 Automatic thermal and speed controls for viscous fluid clutches |
| 03/20/1990 | US4909269 High pressure regulator valve |
| 03/20/1990 | CA1266807A1 Fuel pressure regulator |
| 03/15/1990 | DE3829991A1 Proportional pressure valve |
| 03/15/1990 | DE3829686A1 Pressure regulating valve |
| 03/15/1990 | DE3826555A1 Einrichtung zur veraenderung der regelkreisverstaerkung fuer eine hydraulische steuereinrichtung Means for change in the regelkreisverstaerkung for a hydraulic control device |
| 03/14/1990 | EP0358349A1 Central tire inflation system |
| 03/14/1990 | EP0357964A2 Proportional valve |
| 03/14/1990 | CN2054512U Pressure regulating heating combined valve |
| 03/14/1990 | CN1040420A Multifunctional floating pressure control valve |
| 03/07/1990 | EP0356441A1 Hydraulic pressure-regulating device, in particular for powershift gearbox in motor vehicles. |
| 03/07/1990 | CN2054175U Auto-controller of liquid pressure |
| 03/06/1990 | US4905727 Non-flowing modulating pilot operated relief valve |
| 03/06/1990 | US4905723 High pressure regulator |
| 03/06/1990 | US4905720 Current-to-pressure transducer with enhanced performance features |
| 03/06/1990 | CA1266405A1 Pressure regulator for liquid fuel system |
| 02/28/1990 | EP0355723A1 Device for permanently affecting a fluid-stream, especially one in a valve |
| 02/28/1990 | EP0355153A1 Liquid level control system. |
| 02/28/1990 | CN2053702U Timed controller for automatic gas cut-off explosion-proof equipment |
| 02/27/1990 | US4904450 High temperature and high pressure digestion vessel assembly |
| 02/27/1990 | US4903726 Medical vacuum regulating cartridge |
| 02/27/1990 | US4903721 Fuel pressure regulator |
| 02/20/1990 | US4901759 Constant flow and constant pressure fluid regulator |
| 02/20/1990 | US4901758 Device for the remote control of pneumatically operated mechanisms, which has fast, high resolution response over a broad range of pressures and which is insensitive to position or vibration |
| 02/20/1990 | US4901756 I/P converter with simulated compensation |
| 02/15/1990 | DE3827013A1 Pressure regulating valve |
| 02/14/1990 | EP0354427A2 Differential pressure control valve |
| 02/13/1990 | US4899785 Proportional pressure reducing valve |
| 02/07/1990 | EP0354087A1 Electrohydraulic component for pressure regulation |
| 02/07/1990 | CN2052468U Vacuum regulator |
| 02/06/1990 | US4898361 Submodulation of a pulse-width-modulated solenoid control valve |
| 02/06/1990 | US4898205 Stem regulator |
| 02/06/1990 | US4898204 Low pressure gas regulator |
| 01/31/1990 | EP0352921A2 Deflation control system and method |
| 01/31/1990 | CN2052095U Pressure-reducing valve with big overflow |
| 01/30/1990 | US4896691 Pressure compensating device |
| 01/30/1990 | CA1265177A1 Pressure control device and method of making the same |
| 01/24/1990 | EP0351995A2 Flow injection analysis |
| 01/18/1990 | DE3919407A1 Verfahren zum steuern eines verdichters und steuerungseinrichtung A method for controlling a com- pressor and control device |
| 01/17/1990 | EP0351339A1 Method and devices for keeping the gas contained in a submerged enclosure in balance with the outside pressure |
| 01/17/1990 | EP0351258A2 Oscillating pressure reducing valve for gaseous fluids, specially for high pressure oxygen |
| 01/17/1990 | CN2051362U Pressure control valve for the injected gas of gas lift |
| 01/16/1990 | US4893648 Control valve |
| 01/16/1990 | US4893646 Fluid pressure regulator |
| 01/10/1990 | EP0350455A2 A container for gas in which the pressure is maintained constant when the amount, therein contained, changes, specifically suited for accumulating biogas generated from waste waters and biological sludges |
| 01/09/1990 | US4892286 Fluid control device |
| 01/04/1990 | DE3919299A1 Corrugated diaphragm |
| 01/04/1990 | DE3821726A1 Pulsation damper |
| 01/03/1990 | EP0232355B1 Pressure controller for a buffer fluid seal |
| 01/03/1990 | CN1006324B Improvements in and relating to water supply systems |
| 01/02/1990 | US4890639 Pressure regulating valve |
| 12/28/1989 | DE3907081A1 Circuit arrangement for controlling ventilation (respiratory) gases |
| 12/27/1989 | EP0348270A1 Circuit for controlling, regulating and monitoring a fluid-flow |
| 12/26/1989 | US4889158 Pressure/flow compensated direct acting pressure regulator |
| 12/21/1989 | DE3919601A1 Device for acid-decomposition of a substance for elementary analysis under controlled pressure in a microwave field |
| 12/20/1989 | CN1038163A Constant flow and constant pressure fluid regulator |
| 12/20/1989 | CN1038149A Integrated multifunction regulator station for gas supply to secondary mains |
| 12/19/1989 | US4887639 Non-degrading pressure regulator |
| 12/19/1989 | US4887638 Regulator |
| 12/14/1989 | WO1989012267A1 Back pressure regulator |
| 12/14/1989 | DE3818899A1 Method and device for the evacuation of a receiver with the aid of a vacuum pump |
| 12/13/1989 | EP0345376A1 Valve |
| 12/12/1989 | US4886422 Control apparatus of variable delivery pump |
| 12/12/1989 | US4886320 Vital pressure regulating system for railroad cars |
| 12/12/1989 | CA1263833A1 Hydraulic pressure regulating arrangement |
| 11/30/1989 | WO1989011340A1 Method and device for regulating the spraying of coating materials |
| 11/30/1989 | DE3817018A1 Fire pump drive regulating system |
| 11/29/1989 | CN2048545U Multi-funcitonal safety gas valve |
| 11/28/1989 | US4883089 Railway car pressure control valves |
| 11/28/1989 | US4883088 Pressure regulating apparatus |
| 11/28/1989 | US4883084 Pressure fluid control system |
| 11/22/1989 | CN2048153U Automatic pressure release valve with adjustable water-level |
| 11/21/1989 | US4881572 System for controlling automatically the setting of a damper in a ventilation duct |
| 11/15/1989 | EP0341861A2 Two-wire I/P converter with energy storage |
| 11/14/1989 | US4880034 Fluid pressure regulating apparatus |
| 11/14/1989 | CA1262867A1 Pneumatic amplifier with negative feedback for current to pressure transducer |
| 11/09/1989 | DE3813962A1 Two-stage gas pressure regulator |
| 11/08/1989 | CN2047328U Pressure-reducing valve with timing control device |
| 11/02/1989 | EP0339370A2 Fluid pressure regulator |
| 11/02/1989 | EP0339187A2 Liquid level and pressure control device for separators |
| 10/26/1989 | DE3901398A1 Pneumatic pressure-regulating valve |
| 10/26/1989 | DE3812818A1 Pressure regulator with protective diaphragm against icing of the regulator diaphragm |
| 10/25/1989 | CN1036627A Pressure regulators |
| 10/25/1989 | CN1036626A Droop compensated direct acting pressure regulator |
| 10/24/1989 | US4875502 Flapper actuated pilot valve |
| 10/24/1989 | US4875499 Proportional solenoid valve |