| Patents for G05D 16 - Control of fluid pressure (11,321) |
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| 08/19/2004 | DE202004006191U1 Precision valve for control of liquids in e.g. surface treatment systems uses ribbed, resilient membrane as piston guide and acts as partition between high and low pressure zones, without control hysteresis |
| 08/19/2004 | DE10303418A1 Ventileinrichtung und hydraulisches System Valve device and hydraulic system |
| 08/18/2004 | CN2634516Y Flow type low vacuum gas pressure controller |
| 08/18/2004 | CN2634223Y 隔膜式压力调节阀 Diaphragm pressure regulator valve |
| 08/18/2004 | CN1521366A Energy-saving water supply apparatus |
| 08/17/2004 | US6776395 Proportional valve that can be actuated electromagnetically |
| 08/17/2004 | US6776389 Feedback mechanism and valve positioner |
| 08/17/2004 | US6776180 Water distribution pressure control method and apparatus |
| 08/17/2004 | US6775974 Velocity based method of controlling an electrohydraulic proportional control valve |
| 08/12/2004 | US20040154675 Modular fluid pressure regulator with bypass |
| 08/12/2004 | US20040154668 Gas control assembly |
| 08/11/2004 | EP1445395A1 Roof system and method for covering a roof |
| 08/11/2004 | CN2632439Y Changing-over pressure regulater |
| 08/11/2004 | CN2632438Y Household methane pressure stabilizer |
| 08/11/2004 | CN1519479A Pressure/flow control valve |
| 08/11/2004 | CN1161565C Automatic hydroaulic balancing device |
| 08/10/2004 | US6772869 Fluid pressure control valve apparatus for clutch or brake |
| 08/10/2004 | US6772787 Vacuum regulator for maintaining a substantially constant vacuum in a vacuum system |
| 08/10/2004 | US6772785 Demand valve for breathing apparatus |
| 08/10/2004 | US6772784 Proportional pressure regulator having positive and negative pressure delivery capability |
| 08/05/2004 | WO2004065286A1 Thermo-sensitive pressure reducing valve for beverage distribution systems |
| 08/05/2004 | US20040149338 Pressure regulator for a fuel supply system of an internal combustion engine |
| 08/05/2004 | DE10304143A1 Electromagnetically operated valve for the control of compressed natural gas has armature with radial gas flow ports |
| 08/04/2004 | EP1443376A2 Fuel pressure controller for a heating device in a vehicle |
| 08/04/2004 | EP1443221A2 Valve device and hydraulic system |
| 08/04/2004 | EP1214523B1 Addressable valve arrays for proportional pressure or flow control |
| 08/04/2004 | CN2630599Y Diaphragm-direct-action type reducer |
| 08/04/2004 | CN2630598Y Carbon dioxide gas reducer |
| 08/03/2004 | US6769250 Fluidic system with a safety function |
| 07/29/2004 | WO2004063825A1 Valve |
| 07/29/2004 | WO2004062733A1 Rapid opening pressure regulating valve, fire extinguishing device using the pressure regulating valve, high-pressure gas cylinder device, and rapid fluid feeding device |
| 07/29/2004 | US20040144178 Pressure sensor, pressure controller and temperature drift corrector of pressure type flow controller |
| 07/29/2004 | DE10304260B3 Fuel pressure regulator for automobile auxiliary heating device using displaceable membrane supporting operating device for closure for fuel inlet to pressure chamber |
| 07/28/2004 | EP1441162A1 Method and apparatus for driving flow control electromagnetic proportional control valve |
| 07/28/2004 | CN2629077Y Self-operated differential pressure (flow) control differential pressure regulator |
| 07/28/2004 | CN2628826Y Gas combustion pressure regulator with emergency cut-off device |
| 07/27/2004 | US6767188 Constant output fluidic system |
| 07/21/2004 | CN1514323A City tap water pipe network radio remote measuring and controlling intelligent terminal |
| 07/21/2004 | CN1158584C Constant gas flow regulating device |
| 07/21/2004 | CN1158468C Fluid pressure reduction device with tortuous paths |
| 07/20/2004 | CA2189613C Pressure reduction valve |
| 07/15/2004 | US20040138025 Pressure regulating valve |
| 07/15/2004 | DE3813962B4 Zweistufiges Gasdruckregelgerät Two-stage gas pressure regulator |
| 07/15/2004 | DE10261120A1 Membrane-type pressure regulation valve for adjusting a vacuum pressure in a pressure chamber, especially a combustion engine crankcase in which the force acting on the valve closing body is perpendicular to its movement direction |
| 07/15/2004 | DE10259205A1 Druckminderer-Baugruppe Pressure regulator assembly |
| 07/15/2004 | DE10200368B3 Regulating valve device has guide regulator and setting regulator allowing correction of disparity between adjusted position provided via guide regulator and required position |
| 07/14/2004 | CN2625944Y Regulating device for keeping blowback pressure differential stable |
| 07/14/2004 | CN2625681Y 减压阀 Valve |
| 07/13/2004 | US6761770 Sensors measure the pressure within the system and adjusts control units for maintainance |
| 07/13/2004 | US6761185 Constant gas flow regulating device |
| 07/08/2004 | WO2004042484A3 Fast set material proportioner |
| 07/08/2004 | WO2004020880A3 Unloading/venting valve having integrated therewith a high-pressure protection valve |
| 07/08/2004 | WO2004015357A3 Gas operating system for firearm simulators |
| 07/08/2004 | US20040130421 Proportional pressure control valve for controlling the pressure level in a hydraulic circuit |
| 07/08/2004 | US20040129322 Pressure control valve for controlling two pressure load paths |
| 07/08/2004 | DE4447083B4 Kraftstoffdruckregler Fuel pressure regulator |
| 07/08/2004 | DE19635263B4 Druckregelventil Pressure control valve |
| 07/07/2004 | EP1435028A1 Pressure regulating valve, in particular proportional pressure regulating valve |
| 07/07/2004 | EP1434957A2 Auto-relieving pressure modulating valve |
| 07/07/2004 | EP1200886B1 Pressure control device for a pipeline |
| 07/07/2004 | CN2624002Y Constant pressure water injection controller |
| 07/07/2004 | CN2624001Y Pressure relief valve |
| 07/07/2004 | CN2623999Y Electrohydraulic proportional three-way pressure reducing valve |
| 07/07/2004 | CN1510537A Water pump fan running efficiency controlling method for speeder |
| 07/07/2004 | CN1156740C Full-automatic water tream pressure regulator |
| 07/06/2004 | US6758240 Bias spring structure for pressure regulators |
| 07/06/2004 | US6758239 Metal diaphragm structure for pressure regulators |
| 07/06/2004 | US6758238 Combined pressure regulator and shut-off valve |
| 07/06/2004 | US6758234 Pressure reducing valve |
| 07/06/2004 | US6758233 High volume electronic gas regulator |
| 07/01/2004 | WO2004055385A1 A controlled-flow hydraulic distributor |
| 07/01/2004 | WO2004036329A3 Pressure control valve |
| 07/01/2004 | US20040123906 Pressure regulator |
| 06/30/2004 | EP1434118A2 Pressure proportional control valve |
| 06/30/2004 | CN2622748Y Auto trailing pressure regulator |
| 06/30/2004 | CN2622509Y Flow stabilizing valve |
| 06/30/2004 | CN2622507Y Pressure-reducing, stabilizing and limiting safety valve |
| 06/30/2004 | CN2622506Y Automatic balance check type regulation valve |
| 06/30/2004 | CN1508461A Pressure ratio control valve |
| 06/30/2004 | CN1155775C Pressure-regulating valve |
| 06/30/2004 | CN1155769C Pressure/flow controlling valve |
| 06/24/2004 | WO2004053613A1 Pressure reducing valve |
| 06/24/2004 | WO2004053612A1 Automatic changeover regulator |
| 06/24/2004 | US20040118463 Pressure proportional control valve |
| 06/24/2004 | CA2508014A1 Automatic changeover regulator |
| 06/23/2004 | EP1431857A2 Pressure reducing assembly |
| 06/23/2004 | EP1431581A1 Compressed air retrieval device of compressor |
| 06/22/2004 | US6752170 Fuel pressure regulating valve |
| 06/22/2004 | US6752169 Pressure regulator and shut-off valve |
| 06/22/2004 | US6752168 System for controlling the working conditions for mechanical pumps, and a regulation valve for such a system |
| 06/17/2004 | WO2004051388A2 Improvements in or relating to valves |
| 06/17/2004 | WO2004015277A3 Regulated gas supply system |
| 06/17/2004 | DE10256021A1 Heat exchanger valve arrangement, especially for a radiator valve, has a single handheld assembly of valve seat, valve element, spring and pressure reaction apparatus with a single connection piece |
| 06/16/2004 | EP1295189B1 Gas flow regulation system |
| 06/16/2004 | CN2620806Y Pressure control valve |
| 06/16/2004 | CN1504666A Valve apparatus for heat transfer, especially for heating element |
| 06/16/2004 | CN1504661A Valve apparatus for heat transfer, especially for heating element |
| 06/15/2004 | US6751520 Intrinsically safe microprocessor controlled pressure regulator |
| 06/15/2004 | US6749592 Suction pressure regulator for use with a chest drainage |
| 06/15/2004 | US6748964 Flow-through pressure regulator self-contained valve assembly |