| Patents for G05D 7 - Control of flow (11,410) |
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| 02/20/1990 | CA1265973A1 Gas supply system for variable demand application |
| 02/14/1990 | EP0354861A1 Apparatus, use and process for producing a regulator of a very low gas flow with a sonic flow velocity for measuring gas adsorption and desorption |
| 02/14/1990 | EP0354715A2 Flow rate control system |
| 02/13/1990 | CA1265771A1 Air conditioning control system with enhanced operating range |
| 02/06/1990 | US4898324 Metering valve temperature compensation |
| 01/31/1990 | EP0352506A2 Computer aided tuning of turbine controls |
| 01/18/1990 | DE3823614A1 Method and installation for flow measurement |
| 01/17/1990 | EP0350721A2 Flow limiter |
| 01/16/1990 | US4893649 Constant flow rate controller valve |
| 01/11/1990 | DE3840331A1 Flow limiter |
| 01/11/1990 | DE3840330A1 Flow limiter |
| 01/11/1990 | DE3823368A1 Flow-limiter |
| 01/11/1990 | DE3822789A1 Automatic throttle valve for limiting volume flow |
| 01/09/1990 | US4893262 Weigh feeding system with self-tuning stochastic control |
| 01/09/1990 | US4892114 Flow-sensing shutoff valve |
| 01/03/1990 | EP0348886A1 Fresh water control system and method |
| 12/19/1989 | US4887637 Pressure compensating flow control device |
| 12/12/1989 | US4886422 Control apparatus of variable delivery pump |
| 12/12/1989 | US4886086 Non-degrading pressure regulator |
| 12/07/1989 | DE3819260A1 Hydraulic valve |
| 12/06/1989 | EP0344895A2 Constant pressure variable flow implantable pump |
| 12/06/1989 | EP0218588B1 A calibration system for the calibration of mass flow controllers |
| 12/05/1989 | US4884750 Thrust regulator comprising a mounting enclosure |
| 11/30/1989 | WO1989011597A1 Synthetisized flow-control servovalve |
| 11/30/1989 | WO1989011340A1 Method and device for regulating the spraying of coating materials |
| 11/29/1989 | CN2048600U Automatic water feeding controller for houssehold water tank |
| 11/28/1989 | US4883093 Fluid flow control device |
| 11/21/1989 | US4882784 Loss-in-weight feeder system |
| 11/16/1989 | DE3815518A1 Method and a device flowed through by a gas, in particular air, for carrying out the method |
| 11/07/1989 | US4879662 Fluid flow self calibration scheme |
| 11/07/1989 | US4878598 Method and apparatus for dispensing a substance to a work area |
| 11/02/1989 | EP0339546A2 Container for a liquified gas fuel with a noncontrolling type valve |
| 11/01/1989 | CN2047040U Alarm for changed liquid level flow |
| 11/01/1989 | CN2046962U High-flow numerial-controlled regulating valve |
| 10/31/1989 | US4877956 Closed feedback injection system for radioactive materials using a high pressure radioactive slurry injector |
| 10/31/1989 | US4877051 Flow controller |
| 10/24/1989 | CA1262429A1 Mass flow rate regulator |
| 10/19/1989 | WO1989009956A1 Electronically controlled temperature and flow mixing device for liquid media, in particular for sanitary installations |
| 10/19/1989 | DE3910028A1 Method and device for controlling the mass flow of a conveyed material |
| 10/18/1989 | EP0337830A1 Device for equalizing fluid flow of an aircraft air-conditioning installation |
| 10/17/1989 | US4873873 Air flow metering terminal and control system |
| 10/11/1989 | EP0336389A2 Method for controllably positioning a solenoid plunger |
| 10/10/1989 | US4872763 Method of and apparatus for measuring liquid |
| 10/04/1989 | EP0335040A2 Variable gas volume flow measuring and control methods and apparatus |
| 10/04/1989 | EP0334874A1 Device for metering at least two flowable reaction components into a mixing chamber. |
| 10/03/1989 | US4870859 Flowmeter controller for an air inleakage monitoring system |
| 10/03/1989 | US4870819 Control device for a hydrostatic drive for at least two actuators |
| 09/27/1989 | EP0334504A2 Fluid flow control devices |
| 09/27/1989 | EP0334031A2 Regulating device for a two-stage hydraulic valve |
| 09/26/1989 | US4869431 Nozzle and a device for the use of a nozzle of this type |
| 09/26/1989 | CA1261428A1 Flow rate control system in fluid supply and drain apparatus |
| 09/26/1989 | CA1261230A1 Differential pressure fluid flow regulating device |
| 09/26/1989 | CA1259902A1 Method of operating a gas recovery system and apparatus for employing the method |
| 09/21/1989 | WO1989008750A1 A device for controlling fluid flow |
| 09/20/1989 | EP0207104B1 Pressure regulator-reducer for dispensing a gaseous, liquid, viscous, pulverulent or pasty product |
| 09/19/1989 | US4867872 Automatically adjustable weir and environmentally protected sensor |
| 09/19/1989 | US4867198 Adjustable flow regulating valve |
| 09/19/1989 | US4866940 Computer aided tuning of turbine controls |
| 09/12/1989 | US4864822 Control device for a hydrostatic drive for at least two actuators |
| 09/08/1989 | WO1989008291A1 Flow control valve |
| 09/06/1989 | EP0231217B1 Thrust regulator comprising a mounting housing |
| 09/05/1989 | US4863871 Method and device for adjusting the cooling temperature of a sample trap in an apparatus for gas chromatographic analysis |
| 09/05/1989 | US4863098 Flow modulating control valve assembly |
| 08/30/1989 | EP0329683A1 Apparatus and method for dispensing fluid materials. |
| 08/29/1989 | US4860783 Apparatus for controlling the pressure of gases flowing through a conduit |
| 08/23/1989 | CN2043383U Automatic flow-controlling device for musical fountain |
| 08/22/1989 | US4858644 Fluid flow regulator |
| 08/15/1989 | US4858172 Sealant flow control for robotic applications |
| 08/15/1989 | US4856427 Ink metering assembly |
| 08/15/1989 | CA1258417A1 Adjustable flow regulating valve |
| 08/15/1989 | CA1258362A1 Method of making fluid flow regulators |
| 08/10/1989 | WO1989007293A1 Liquid level control system |
| 08/09/1989 | EP0326581A1 Flowmeter for measuring volumetric flow. |
| 08/02/1989 | CN1034438A Method for designing flow-controllable vapor-etched venturi |
| 08/01/1989 | US4852606 Fluid flow control apparatus |
| 07/26/1989 | EP0324937A1 Apparatus for introducing a fluid substance into a carrier gas, and method for operating the apparatus |
| 07/25/1989 | US4850391 Flow control valve |
| 07/18/1989 | US4848657 Method of and apparatus for controlling the flow rate of viscous fluid |
| 07/05/1989 | EP0323393A2 Device for regulating the flow of a fluid from a container |
| 07/04/1989 | US4844334 Method of setting the output of a pump |
| 06/28/1989 | EP0321515A1 Procedure and means for controlling volumetric flow rate in air-conditioning installations. |
| 06/27/1989 | US4842827 Semiconductors |
| 06/27/1989 | US4842162 Apparatus and method for dispensing fluid materials using position-dependent velocity feedback |
| 06/27/1989 | US4842017 Fluid flow control apparatus |
| 06/22/1989 | DE3741676A1 Flow control valve |
| 06/22/1989 | DE3741437A1 Headwater-controlled throttle device for the regulated run-off of built-up quantities of water, especially quantities of sewage |
| 06/21/1989 | EP0321339A1 Flow rate regulating system for an alternating dosing pump |
| 06/21/1989 | EP0320800A2 Gas governor |
| 06/14/1989 | EP0320280A2 Acoustic monitoring of two-phase feed nozzles |
| 06/13/1989 | US4838483 Vav valve control with transducer tolerance compensation |
| 06/07/1989 | EP0319267A2 Fluid delivery control and monitoring apparatus |
| 06/07/1989 | EP0319124A1 Servo-operated fluid flow control valve |
| 06/07/1989 | EP0318611A1 Method and apparatus for proportioning and/or equalizing a flow of material |
| 06/07/1989 | EP0270547B1 Valve for the addition of water to electrochemical accumulator batteries |
| 06/06/1989 | US4836417 Apparatus for continuous supply of fine powder, viscous fluid or the like at a constant rate |
| 05/30/1989 | US4834142 Flow rate controller |
| 05/24/1989 | DE3738241A1 Electrohydraulic device for the load-independent control of a volume flow in a manner proportional to an input signal |
| 05/24/1989 | CN1033118A Adjustable device for flow |
| 05/23/1989 | CA1254484A1 Non-flowing pressure responsive pilot valve |
| 05/17/1989 | EP0315779A2 Sprayhead for a container containing a fluid under the pressure of a propelling gas |