| Patents for G05D 16 - Control of fluid pressure (11,321) |
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| 05/16/1989 | US4829964 Fluid pressure regulator |
| 05/11/1989 | DE3737033A1 Base for ultra-pure (high-purity) gases, particularly for a pressure controller |
| 05/09/1989 | US4827974 Top entry expansible tube valve |
| 05/09/1989 | US4827966 Pressure equilibrator for gases |
| 05/02/1989 | US4825835 Fuel pressure regulator |
| 05/02/1989 | CA1253411A1 Pressure regulator with variable response |
| 04/27/1989 | EP0225379A4 Apparatus for electrical control of rate of fluid flow. |
| 04/26/1989 | CN2036680U Water power control valve |
| 04/26/1989 | CN1004024B 减压阀 Valve |
| 04/25/1989 | US4824073 Integrated, microminiature electric to fluidic valve |
| 04/20/1989 | WO1989003554A1 Liquid flow control device |
| 04/19/1989 | EP0311746A2 A regulator arrangement for a servo system |
| 04/18/1989 | US4822647 Fail-safe pressure relief valves; |
| 04/18/1989 | US4822469 Electrical power supply for an electrolytic gas generator |
| 04/18/1989 | US4821515 Control device for liquid or gaseous medium |
| 04/13/1989 | DE3732445A1 Pressure control valve |
| 04/12/1989 | EP0311027A2 Force actuated pressure control valve with split valve member |
| 04/06/1989 | WO1989003079A1 Improved modulating hydraulic pressure control valve and assembly method therefor |
| 04/05/1989 | EP0310595A2 Regulating valve |
| 04/05/1989 | EP0310105A2 Pressure controller for gas, specially for high purity gas |
| 04/05/1989 | EP0310104A1 Process and apparatus for emptying gas-filled vessels |
| 04/05/1989 | CN2035504U Combined pressure adjuster for gas pressure adjuster and shunt pore plate |
| 04/04/1989 | US4817667 Metering regulator for pneumatic tools |
| 04/04/1989 | US4817664 Gas pressure regulator |
| 03/29/1989 | EP0308934A1 Valve means |
| 03/29/1989 | EP0308875A2 High pressure regulator valve |
| 03/29/1989 | CN2035033U Automatically-stopping pressure-regulating valve |
| 03/23/1989 | DE3736663A1 Tyre pressure control valve |
| 03/22/1989 | EP0307532A2 Fuel pressure regulator |
| 03/21/1989 | US4813339 Pulse-width-modulation control of parallel three-way valves to supply single-acting quick-response actuator |
| 03/21/1989 | US4813265 Apparatus for providing calibrated gas pressure |
| 03/16/1989 | DE3729327A1 Tyre pressure control valve III |
| 03/16/1989 | DE3729326A1 Tyre pressure control valve II |
| 03/16/1989 | DE3728711A1 Pressure-regulating valve |
| 03/09/1989 | DE3729183A1 Circuit for operating a magnetically actuated valve |
| 03/07/1989 | US4810943 Method and apparatus for controlling air-conditioning apparatus |
| 03/07/1989 | US4809736 Piston structure for pressure reducing valve |
| 03/07/1989 | US4809730 Electrofluid converters |
| 03/07/1989 | CA1250794A1 Control regulator having a rolling diaphragm |
| 03/01/1989 | CN2033464U Sort of air pressure adjusting valve |
| 03/01/1989 | CN2033463U Sort of decompress valve |
| 02/23/1989 | WO1989001657A1 Medical vacuum regulating cartridge |
| 02/22/1989 | EP0303735A2 Pressure-reducing valve |
| 02/21/1989 | US4805658 Metering the weight flow of fuel to a gas turbine engine |
| 02/16/1989 | DE3725635A1 Electronically controlled gas pressure regulator - uses current-to-pressure converter and pneumatic control |
| 02/15/1989 | EP0303583A2 Regulator |
| 02/14/1989 | US4804009 Pneumatic interface apparatus for control of process systems |
| 02/07/1989 | US4802507 Gas flow control device |
| 02/07/1989 | US4802504 Tap with flow limiter for gas bottles |
| 02/01/1989 | EP0301745A2 Pressure fluid control system |
| 01/26/1989 | DE3723359A1 Pressure valve |
| 01/25/1989 | EP0300003A1 Method of controlling a plurality of machines. |
| 01/24/1989 | US4799511 Flow system of static parameters |
| 01/17/1989 | US4798521 System and method for regulating pressure in a container |
| 01/12/1989 | WO1989000308A1 Pressure regulator |
| 01/11/1989 | EP0298816A1 Assembly of several pistons for pressure control of a confined space |
| 01/11/1989 | EP0298272A2 Gas pressure regulator |
| 01/10/1989 | US4796661 Proportional electro-hydraulic pressure control valve |
| 01/10/1989 | US4796659 High response unloading valve |
| 01/10/1989 | US4796652 Pressure regulator for hydraulically controlled machine tools |
| 01/04/1989 | EP0297546A2 Fuel pressure regulator for internal combustion engine |
| 01/04/1989 | EP0297260A1 Fluid-actuated check and pressure-reducing valve |
| 01/03/1989 | US4795131 Vacuum controller |
| 12/29/1988 | WO1988010461A1 Hydraulic proportional pressure magnet valve |
| 12/28/1988 | CN88211378U Pressure gange with self-hold contacts |
| 12/27/1988 | US4793952 Gas pressure line for controlling interface between liquids |
| 12/27/1988 | US4793373 Current-pressure transducer, particularly for a vacuum control in automotive vehicles |
| 12/27/1988 | US4793372 Electronic vacuum regulator (EVR) with bi-metallic armature disk temperature compensator |
| 12/21/1988 | EP0296035A1 Electropneumatic inverter with explosion-proof protection |
| 12/20/1988 | US4792114 Vacuum regulator valve unit |
| 12/20/1988 | US4791957 Stem regulator |
| 12/20/1988 | US4791954 Self-regulated pressure control valve |
| 12/20/1988 | US4791906 Device for regulating the pressure of a fluid supplied to an internal combustion engine from a fluid pressure source |
| 12/14/1988 | EP0294800A2 Hydraulically piloted valve |
| 12/14/1988 | CN88210344U Depressure valve |
| 12/13/1988 | US4790343 Pressure regulator |
| 12/13/1988 | CA1246425A1 Post-pressure-compensated unitary hydraulic valve |
| 12/07/1988 | EP0294072A2 Control device for regulating flow of pressurized gas between two pressurized gas devices |
| 12/07/1988 | EP0294019A2 Vaccuum regulator |
| 12/07/1988 | EP0293398A1 Process and device for the control of safety valves. |
| 12/07/1988 | CN88103206A 气体数量测量装置 Gas quantity measuring device |
| 12/06/1988 | CA1245946A1 Pressure regulator for a fuel gas |
| 12/01/1988 | WO1988009533A1 Modular pressure instrument |
| 12/01/1988 | DE3810347A1 Pressure medium control device |
| 11/30/1988 | CN88102868A Modular pressure instrument |
| 11/29/1988 | US4787413 Pressure control valve |
| 11/29/1988 | US4787213 Regulating mechanism for the refrigerant flow to the evaporator or refrigerating systems or heat pumps and expansion valves arranged in the refrigerant flow |
| 11/22/1988 | US4787071 Piezoelectric/fluid pressure transducer apparatus |
| 11/22/1988 | US4785849 Pressure reducing valve assembly |
| 11/22/1988 | US4785846 Gas control apparatus with a pressure regulator |
| 11/17/1988 | EP0291399A1 Expander for pure gases |
| 11/16/1988 | CN88200665U Pneumatic control device |
| 11/15/1988 | US4784039 Electric and pneumatic valve positioner |
| 11/10/1988 | DE3714337A1 Servo valve with piezoelectric activation as well as piezoelectric control motor |
| 11/10/1988 | DE3711049A1 Regulating device for at least two hydrostatic machines connected to a common operating-pressure line |
| 11/08/1988 | US4782861 Multiple outlet cylinder valve |
| 11/08/1988 | US4782850 Travel stop for diaphragm regulator valve |
| 11/08/1988 | CA1244285A1 Valve arrangement with at least two diaphragms |
| 11/02/1988 | EP0288902A1 Refrigeration plant |
| 11/01/1988 | CA1244113A1 Electric-to-pressure transducer |