Patents for G05D 7 - Control of flow (11,410)
04/1999
04/14/1999CN1213668A Method of controlling gas flow rate in gas phase polymerization apparatus and gas phase polymerization apparatus
04/13/1999US5893390 Flow controller
04/13/1999CA2014546C Automatic starting fluid injection apparatus and method
04/07/1999EP0773877B1 Valve device, in particular for hydraulic brake systems with abs or drive-slip control, and a method of adjusting a valve device
04/07/1999CN1213158A Chemical treating apparatus and flow rate controlling method thereof
04/06/1999CA2249851A1 Process and apparatus for controlling at least two production devices
04/01/1999DE19743057A1 Dispensing of a powder formed product in a packaging application
04/01/1999DE19740637A1 Flow regulator for varnish spray pistol
03/1999
03/30/1999US5887613 Device for the regulation of a constant outflow from a liquid container
03/25/1999WO1998052874A3 Water treatment system having dosing control
03/24/1999EP0681716B1 Improved automatic recirculation valve
03/23/1999US5885317 Multiple orifice glass feed system
03/23/1999CA2171716C Flow-metered pumping with load compensation system and method
03/17/1999EP0839277B1 Fluid metering device
03/17/1999CN2311010Y Hand-operated light pillar display device
03/16/1999US5882254 Laboratory fume hood controller utilizing object detection
03/11/1999WO1999011943A1 Regulator for adjusting the fluid flow in a hydrostatic or aerostatic device
03/11/1999DE19737781A1 Regler zur Regelung eines mindestens einer Hydrostatik- oder Aerostatiktasche einer Lagerung, Gewindespindelmutter, oder einer Führung zugeführten Medienstromes A controller for controlling at least one hydrostatic or aerostatic pocket of a bearing, threaded spindle nut or a guide supplied media stream
03/10/1999EP0900750A2 Vibratory conveyor and control system therefor
03/10/1999EP0900590A1 Method of controlling gas flow rate in gas phase polymerization apparatus and gas phase polymerization apparatus
03/10/1999EP0667006B1 Remote region vacuum regulator
03/10/1999CN1210482A Apparatus and method for producing thin solidified alloy
03/09/1999US5880378 Critical flow venturi with variable and continuous range
03/09/1999US5878777 Flow control valve having variable flow ring and seat cage
03/09/1999US5878766 Pressure compensated flow control valve
03/09/1999US5878765 Microprocessor-controlled position regulator
03/05/1999CA2246508A1 Method of controlling gas flow rate in gas phase polymerization apparatus and gas phase polymerization apparatus
03/04/1999WO1999010791A1 Pressure compensated flow control valve
03/03/1999EP0898497A1 Electroformed multilayer flow regulator
03/03/1999EP0643594B1 Blood extraction flow control calibration system and method
03/02/1999US5875806 Flow control valve with increased flow range
02/1999
02/25/1999WO1999009463A1 Pressure type flow rate control apparatus
02/25/1999WO1999009324A1 Orifice for pressure type flow rate control unit and process for manufacturing orifice
02/25/1999DE19736079A1 Water flow generation unit especially for swimming pool
02/25/1999DE19733773A1 Pressure control valve for pneumatic and hydraulic media
02/24/1999EP0898112A1 Pipeline system for the controlled distribution of a fluid and method for the operation of such a system
02/24/1999EP0607451B1 Flow rate control valve and its control method
02/24/1999CN1208831A System and operation method for controlling fluid medium distributing pipe-line
02/23/1999US5875109 Adaptive flow controller for use with a flow control system
02/17/1999CN2308103Y Metering control device for gas meter with intelligence IC card
02/17/1999CN1208476A Method and device for examining and/or adjusting valves
02/17/1999CN1208044A Method for controlling gas-velocity in gas-phase polymerization vessel and process for gas-phase polymerization
02/16/1999US5871123 Device for deposition of a fluid material, manipulator therefor, and procedure for using said device
02/11/1999WO1999006893A1 Improving control accuracy of a pulse-operated electromechanical device
02/11/1999WO1999006891A1 Flow control system
02/09/1999US5868164 Fluid control valve system with combined step and proportional-integral control
02/09/1999US5868159 Pressure-based mass flow controller
02/09/1999US5868154 Propane supply system with secondary containment tank
02/09/1999US5868153 Ultrasonic liquid flow control apparatus and method
02/04/1999WO1999005409A1 Regulated linear purge solenoid valve
02/04/1999WO1999005408A1 Regulated linear purge solenoid valve
02/04/1999WO1999004615A1 System for delivering a substantially constant vapor flow to a chemical process reactor
02/03/1999EP0894216A1 Proportional solenoid-controlled fluid valve assembly
02/02/1999US5867031 Method of improving pressure sensor measurement by passive current compensation
02/02/1999US5865205 Dynamic gas flow controller
01/1999
01/27/1999EP0864076A4 Improved fluid pressure measuring system for control valves
01/26/1999US5862986 System usable for dispensing fluids
01/20/1999CN1205408A Opening and closing valve
01/19/1999CA2020924C Logic valve
01/13/1999EP0890828A1 Method and apparatus for detecting and controlling mass flow
01/13/1999EP0890390A1 Method for controlling gas-velocity in gas-phase polymerization vessel and process for gas-phase polymerization
01/13/1999EP0890146A1 Vacuum actuated sheath valve
01/12/1999US5857478 Demand responsive flow control valve
01/10/1999CA2242900A1 Method for controlling gas-velocity in gas-phase polymerization vessel and process for gas-phase polymerization
01/07/1999EP0889291A2 Improved adaptive flow controller
01/06/1999CN2303327Y Arrangement for controlling flow of fluid
01/06/1999CN2303326Y Arrangement for controlling flow rate of combustible gas
01/05/1999USRE36022 Servo control for hydraulic elevator
01/05/1999US5855355 Quiet and constant flow control valve
01/05/1999US5855232 Automatic metering/supplying apparatus for granular substances
01/05/1999CA2147338C Fume hood exhaust terminal
12/1998
12/30/1998EP0722541B1 Micromachined flow switches
12/29/1998US5853018 Dampening resonance in a flow regulator
12/29/1998CA2164752C Chemical reactor feed control
12/24/1998DE19725686A1 Flow-rate control device
12/23/1998EP0722540B1 Micromachined fluid flow regulators
12/23/1998CN1202616A Fluid flow rate measuring and controlling device and method
12/23/1998CN1041351C Apparatus for delivering metered quanties of a fluid substance
12/22/1998US5850852 Crossflow with crossmirror and lock out capability valve
12/22/1998US5850850 Flow controller, parts of flow controller, and related method
12/17/1998WO1998057242A1 Device for controlling the flow of a product contained in a chamber
12/17/1998WO1998057064A1 Temperature compensation system for regulating flow through tubing in a pump
12/17/1998DE19825882A1 Capillary dosing unit
12/17/1998DE19725908A1 Method of dispensing doses of fluid media
12/17/1998DE19725062A1 Flow regulation system for e.g. motor vehicle heating system
12/17/1998DE19724447A1 Method of manufacturing digital valve arrangement to give a proportional characteristic
12/16/1998EP0884510A1 Discrete valve-throttle with a pulse control system
12/16/1998EP0884116A2 Laboratory fume hood controller utilizing object detection
12/16/1998EP0883444A1 Method and system for dispensing a viscous solution
12/16/1998CN1201924A Statement regurding federally sponsored research or development
12/16/1998CN1201886A Laboratory fume hood controller utilizing object detection
12/10/1998DE19825103A1 Volume flow control device for electrical test=tube pump
12/09/1998EP0882638A1 Dynamic load signal fluid controller with instant on flow amplification
12/09/1998EP0756559B1 Filling stream adjusting process
12/09/1998CN1201173A Water-flow control apparatus for water purifier
12/09/1998CA2224425A1 Laboratory fume hood controller utilizing object detection
12/08/1998US5847285 Volume compensating pressure regulated flow control dispensing system
12/08/1998US5845622 For a fuel supply system of a combustion engine
12/03/1998WO1998054071A1 Powder/granule feeder and its application apparatus
12/03/1998DE19722325A1 Valve for limiting volume flow in heating systems
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