Patents for G05D 7 - Control of flow (11,410) |
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01/10/2001 | EP1067322A2 Flow regulator valve |
01/09/2001 | US6170512 Flow control device |
01/09/2001 | US6170508 Fluid flow regulating valve and method |
01/04/2001 | WO2001001215A1 Regulator flow measurement apparatus |
01/04/2001 | WO2001001214A1 Regulator diagnostics system and method |
01/04/2001 | WO2001001045A1 Method of adjusting mass flow in liquid circuit transferring energy |
12/28/2000 | WO2000079357A1 A constant gas flow regulating device |
12/27/2000 | EP1063483A2 Supercooling degree-controlled expansion valve |
12/26/2000 | US6167107 Air pump for particle sensing using regenerative fan, and associated methods |
12/26/2000 | US6164321 Liquid flow regulator for use in infusion sets |
12/26/2000 | CA2237837C Variable flow orifice valve assembly |
12/21/2000 | DE19927392A1 Valve for use in hydraulic lifting devices has valve body which slides between inlet and outlet against effect of spring and has bore which cooperates with control diaphragm with through bore into which conical projection on valve body fits |
12/12/2000 | US6158966 Volumetric control of the flow of a filtering pump |
12/12/2000 | US6158679 Orifice for pressure type flow rate control unit and process for manufacturing orifice |
12/07/2000 | WO2000073868A1 Wide range gas flow system with real time flow measurement and correction |
12/07/2000 | WO2000073716A1 Electronic variable orifice tube and system for use therewith |
12/07/2000 | WO2000072932A2 Water softener valve |
12/07/2000 | CA2366580A1 Wide range gas flow system with real time flow measurement and correction |
12/05/2000 | US6155790 Method and equipment for controlling a pipe network |
12/05/2000 | CA2043682C Integrated process control valve |
11/30/2000 | DE19924691A1 Hydraulic flow control valve has a metering valve stage that responds to the flow condition |
11/29/2000 | EP0890146A4 Vacuum actuated sheath valve |
11/29/2000 | CN2408490Y High precision mass flow control equipment for clearing relative air path flow surge |
11/29/2000 | CN1275218A Method for detecting plugging of pressure flow-rate controller and sensor used therefor |
11/29/2000 | CN1275217A Versatile flow rate controller |
11/29/2000 | CN1274823A Gas-conveying quantitative distributing pipe |
11/28/2000 | US6154686 Distributed architecture |
11/28/2000 | US6152168 Pressure-type flow rate control apparatus |
11/28/2000 | US6152162 Fluid flow controlling |
11/22/2000 | EP1054311A1 Gas delivery metering tube |
11/22/2000 | EP1053035A1 Implantable drug infusion device having a flow regulator |
11/22/2000 | EP0847307A4 Independent flow rate and droplet size control system and method for sprayer |
11/22/2000 | CN2407381Y Gas valve of water heater |
11/21/2000 | US6149071 Flow control system for spray applications |
11/21/2000 | CA2308758A1 Gas delivery metering tube |
11/16/2000 | DE19947900A1 Valve assembly, especially for hydraulic braking system with wheel slip regulation, has flow cross-section between valve pin piston that is closed by electrical actuation of valve pin |
11/16/2000 | CA2514099A1 Gas flow control in gas-assisted esu |
11/09/2000 | WO2000066843A1 Regulating device for continuous or sequential distribution of single liquids or mixtures |
11/09/2000 | DE19920058A1 Device especially for drawing out dust-laden crude gas has auxiliary gas inlet connected to main pipe and with opening cross section variable depending upon throughflow of main pipe |
11/08/2000 | EP1049965A1 Hvac fan-powered terminal unit having preset fan cfm |
11/02/2000 | WO2000065316A1 Viscous material dispensing system and method with feedback control |
11/02/2000 | EP0910766A4 Improved pressure-based mass flow controller |
11/01/2000 | CN1272186A Gas supply equipment with pressure type flow rate control device |
10/31/2000 | US6139903 Process control |
10/31/2000 | US6138708 Mass flow controller having automatic pressure compensator |
10/26/2000 | WO2000063757A1 Modular surface mount mass flow and pressure controller |
10/26/2000 | WO2000063756A1 Parallel bypass type fluid feeding device, and method and device for controlling fluid variable type pressure system flow rate used for the device |
10/25/2000 | CN2403002Y Magnetic suspension attraction gas flow regulating valve port device |
10/24/2000 | US6135719 Method and apparatus for metering injection pump flow |
10/24/2000 | US6135155 Fluid control device |
10/19/2000 | WO2000061215A1 Monolithic high performance miniature flow control unit |
10/17/2000 | US6131307 Method and device for controlling pressure and flow rate |
10/12/2000 | WO2000033896A3 Flow regulator |
10/10/2000 | US6129702 Medicament dosing system |
10/10/2000 | US6129112 Flow regulator |
10/10/2000 | CA2066581C Computer controlled metering pump |
10/05/2000 | WO2000058802A1 Fluid flow control method and apparatus for filtration system |
10/04/2000 | EP0610226B1 Compressed air control system |
10/03/2000 | US6125869 Self-diagnosis method for mass flow controller |
09/28/2000 | WO2000057175A1 Methods for optimal usage and improved valuation of corrosive petroleum feedstocks and fractions |
09/28/2000 | WO2000057091A1 Fluid pressure reduction device |
09/28/2000 | DE10012100A1 Sealing ring with integral flow rate controller comprises sealing ring and connecting sleeve which is fixed in the ring by compressing it to oval shape |
09/28/2000 | DE10010602A1 Pressure or flow rate control valve has secondary pressure balanced by biasing force of spring so that valve assumes closed state, and plug rests on seat part |
09/28/2000 | CA2366375A1 Fluid pressure reduction device |
09/20/2000 | EP0824727A4 Automatic variable-demand flow regulator |
09/20/2000 | CN1266952A Pressure/flow controlling valve |
09/20/2000 | CN1266951A Pressure/flow ontrolling valve |
09/19/2000 | US6120001 Apparatus for regulating fluid flow through a flexible conduit |
09/19/2000 | US6119723 Apparatus for varying the flow area of a conduit |
09/19/2000 | US6119721 Electropneumatic regulator system |
09/19/2000 | US6119717 Fluid flow control apparatus |
09/19/2000 | US6119710 Method for wide range gas flow system with real time flow measurement and correction |
09/14/2000 | WO2000053534A1 Mixing, aeration or oxygenating method and apparatus |
09/14/2000 | DE19910750A1 Verfahren zur Einstellung eines Ventils A method for adjusting a valve |
09/13/2000 | EP1035457A1 Method for detecting plugging of pressure flow-rate controller and sensor used therefor |
09/13/2000 | EP1035456A1 Method for adjusting a valve |
09/13/2000 | EP0918578A4 System and method for controlling airflow in a laboratory or fume hood |
09/13/2000 | CN1266179A Method and equipment for measuring and adjusting the speed of liquid flowing in and out sealed container |
09/12/2000 | US6116283 Fluid control device |
09/06/2000 | EP0981709A4 Magnetic flow controller |
09/06/2000 | EP0839276B1 Flow control valve |
08/30/2000 | EP1031899A2 Fluid flow valve with variable flow rate |
08/29/2000 | US6110431 Ozone dispensing system |
08/29/2000 | US6110427 Flow controllers, housings, pistons with cavities |
08/29/2000 | US6109261 Powder inhaler with breath flow regulation valve |
08/23/2000 | EP0708665B1 Liquid material dispenser |
08/16/2000 | CN2392199Y Intelligent instrument for controlling flow-rate of liquid |
08/16/2000 | CN1262907A Control method of flavour addition in material and its application |
08/15/2000 | US6102364 Control accuracy of a pulse-operated electromechanical device |
08/15/2000 | CA2126496C Hybrid valving system for varying fluid flow rate |
08/09/2000 | EP1026566A1 Versatile flow rate controller |
08/03/2000 | WO2000010065A9 Flow regulator to maintain controllable volumetric flow rate |
08/01/2000 | US6095175 Clad piezoelectric valve actuator and application of same in controlling highly reactive and corrosive gases |
07/25/2000 | US6092782 Opening and closing valve |
07/19/2000 | EP0817989B1 Method and apparatus for supplying liquid cryogen |
07/13/2000 | DE19900573A1 Hydraulic flow regulating valve with pressure maintaining valve in series with throttle |
07/12/2000 | EP1017628A2 Water treatment system having dosing control |
07/12/2000 | EP1017266A1 System for delivering a substantially constant vapor flow to a chemical process reactor |
07/12/2000 | CN1259656A Measuring method of air and powdered coal flow and concn. and its controlling system |
07/11/2000 | US6085957 Volumetric feed control for flexible filament |