| Patents for G01F 1 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow (42,661) |
|---|
| 05/16/1989 | US4829819 In-line dual element fluid flow probe |
| 05/16/1989 | US4829818 Flow sensor housing |
| 05/16/1989 | US4829814 Hot film type air flow meter |
| 05/16/1989 | US4829813 Method and apparatus for nonintrusively determining mach number |
| 05/10/1989 | EP0315201A2 Method and apparatus for carrying out measurements in a foaming liquid |
| 05/10/1989 | EP0315175A2 Self-averaging pitot tube probe for measuring fluid flow |
| 05/10/1989 | EP0181923B1 Quench, volume and activity determinations in a liquid scintillation flow system |
| 05/10/1989 | CN2037468U Blow-by detector of engine |
| 05/10/1989 | CN2037467U Dive type water meter |
| 05/10/1989 | CN1032861A Rocking beam vortex sensor |
| 05/10/1989 | CN1032840A Metering valve temp. compensation |
| 05/09/1989 | US4829449 Method and apparatus for measuring and providing corrected gas flow |
| 05/09/1989 | US4827777 Oscillating jet meter |
| 05/09/1989 | US4827774 Flow sensing device |
| 05/09/1989 | US4827765 Motor driven spinner flow meter |
| 05/09/1989 | US4827762 System and method for automatically monitoring liquid volume changes in storage tanks |
| 05/09/1989 | CA1253750A1 Flow indicating device |
| 05/05/1989 | WO1989003977A1 Method and arrangement for measuring gas flow parameters |
| 05/03/1989 | EP0314325A1 Gas flow meter for clinical use |
| 05/03/1989 | DE3735905A1 Method and device for volume flow measurement on conveyor belts by means of a laser distance profile scanner |
| 05/03/1989 | DE3735515A1 Vorrichtung zur induktiven durchflussmessung mit einem messrohr aus keramik, glas, metall oder kunststoff Device for inductive flow measurement with a measuring tube made of ceramic, glass, metal or plastic |
| 05/03/1989 | CN2037063U Agricultural water meter |
| 05/02/1989 | US4827430 Flow measurement system |
| 05/02/1989 | US4827092 Flow monitor with non-rotatable mounting |
| 05/02/1989 | US4826482 Enhanced pressure measurement flow control system |
| 05/02/1989 | US4826328 Apparatus for measuring the mass of a flowing medium and method for producing an apparatus for measuring the mass of a flowing medium |
| 05/02/1989 | US4825747 Method and device for detecting a fluid flow rate |
| 05/02/1989 | US4825707 Fluid flow indicator including a hall effect transducer |
| 05/02/1989 | US4825706 Flowmeter for a moving packed bed |
| 05/02/1989 | US4825705 Mass flow meter with equipment for determination of the coriolis force |
| 05/02/1989 | US4825704 Fluid flow speed measuring apparatus |
| 05/02/1989 | US4825703 Electromagnetic flow meter |
| 05/02/1989 | US4825694 Apparatus for measuring velocity of flow |
| 05/02/1989 | US4825693 Slotted diaphragm semiconductor device |
| 04/26/1989 | EP0313503A2 Metering valve temperature compensation |
| 04/26/1989 | EP0313120A1 Direction-sensitive flow-rate indicator |
| 04/26/1989 | EP0313089A2 Hot wire type of air flow meter and internal combustion engine using the same |
| 04/26/1989 | EP0312769A1 Process and apparatus for mixing fluid substances |
| 04/26/1989 | CN2036660U Hot-wire type flowmeter |
| 04/26/1989 | CN1032496A Control of suspension density using radiation source |
| 04/25/1989 | US4825072 Method and apparatus for determining well fluid flow velocity using a nonradioactive tracer |
| 04/25/1989 | US4823615 Self-averaging pitot tube probe and method for measuring fluid flow |
| 04/25/1989 | US4823614 Coriolis-type mass flowmeter |
| 04/25/1989 | US4823613 Density insensitive coriolis mass flow rate meter |
| 04/25/1989 | US4823612 Socket structure for mounting ultrasonic gas flow measuring device with respect to gas flow pipe |
| 04/25/1989 | US4823592 Test apparatus for proving the performance of mass flow meters |
| 04/25/1989 | US4823462 Mass air flow sensor assembly and method of manufacture |
| 04/20/1989 | WO1989003616A1 Inductive proximity detector |
| 04/20/1989 | WO1989003615A1 Process and device for exciting an oscillating circuit |
| 04/20/1989 | WO1989003513A1 Process and apparatus for measurement of a curvature of an annular plate in a pipe |
| 04/20/1989 | WO1989003512A1 Fluid flow detector |
| 04/19/1989 | EP0312224A1 Differential correlation analyzer |
| 04/19/1989 | EP0311663A1 Transducer for arranging in a fluid, particularly for the measurement of the flow-velocity of a fluid in a pipe, by transmitting/receiving sonic pulses. |
| 04/19/1989 | EP0311610A1 Coriolis mass flowmeters. |
| 04/19/1989 | CN2036271U Oil pump flowmeter |
| 04/18/1989 | US4821700 Device for determining mass flow and direction of flow |
| 04/18/1989 | US4821581 Method and apparatus for the continuous measuring of bulk material passing over a measuring wheel |
| 04/18/1989 | US4821580 Method and apparatus for calculating flow rates through a pumping station |
| 04/18/1989 | US4821568 Method and apparatus for determining a measurable variable |
| 04/18/1989 | US4821557 Method and apparatus for determining the accuracy of a gas flow meter |
| 04/13/1989 | DE3732834A1 Correlation measurement of the flow velocity of a fluid in a tubular conduit by means of ultrasonic sensors |
| 04/12/1989 | EP0311238A1 Gas flow correction sensor |
| 04/12/1989 | EP0311176A1 Optical flow meter |
| 04/12/1989 | EP0311129A1 Inductive proximity sensor |
| 04/12/1989 | EP0311128A1 Method and device for exciting a resonating circuit |
| 04/12/1989 | CN1032400A Supersonic doppler method for measuring velocity coefficient of water flow |
| 04/11/1989 | US4819577 Fluid flow indicator |
| 04/11/1989 | US4819490 Karman vortex sensor type flow rate measuring system |
| 04/11/1989 | US4819483 Level indicator control system for use with capacitance probes in tanks containing substances |
| 04/11/1989 | CA1252307A1 Flow measuring apparatus with analog, essentially linear output |
| 04/06/1989 | DE3732856A1 Intelligent air quantity meter |
| 04/05/1989 | EP0310193A1 Flow rate meter and automatic animal feeder installation employing such flow meter |
| 04/05/1989 | EP0309932A1 Electromagnetic flowmeter |
| 04/05/1989 | EP0309644A2 Electronic volume correctors |
| 04/05/1989 | EP0309643A1 Actuator for influencing the flow of a gas or a fluid medium |
| 04/05/1989 | EP0309607A1 Fluidic oscillating diverter flow sensor |
| 04/05/1989 | EP0119195B1 Vortex flow meter |
| 04/05/1989 | CN2035463U Flow meter used for canal |
| 04/05/1989 | CN2035462U Inserting turbine plus-minus flow sensor |
| 04/05/1989 | CN2035461U Water meter with gl side wheel |
| 04/05/1989 | CN2035460U Dry noninductive flow meter |
| 04/04/1989 | US4819183 Aircraft fuel loading management system |
| 04/04/1989 | US4817667 Metering regulator for pneumatic tools |
| 04/04/1989 | US4817448 Auto zero circuit for flow meter |
| 04/04/1989 | US4817439 Process and apparatus for measuring two phase flow |
| 04/04/1989 | US4817427 Device for measuring water flow rate in plant stem |
| 04/04/1989 | CA1251946A1 Method and apparatus for optical measurement of fluid flow |
| 03/30/1989 | DE3823642A1 Heatable electric resistance for flow meters |
| 03/30/1989 | DE3730641A1 Method of the producing a magnetic-inductive measuring tube |
| 03/30/1989 | DE3730511A1 Monitoring device for a medium, e.g. lubricating (lube) oil, fed in small quantities both discontinuously and continuously to a gas flow |
| 03/29/1989 | CN2035056U Energy-saving and indicating controller for gas stove |
| 03/28/1989 | US4816758 Method and apparatus for the detection of slag co-flowing within a stream of molten metal |
| 03/28/1989 | US4815324 Intake air meter for an internal combustion engine |
| 03/28/1989 | US4815280 Thermal flow meter |
| 03/28/1989 | CA1251852A1 Method and apparatus for ultrasonic measurements of a medium |
| 03/23/1989 | WO1989002582A1 Mass fluid flow sensor |
| 03/23/1989 | WO1989002581A1 A device for measuring the volume flow of a fan |
| 03/23/1989 | WO1989002580A1 Rocking beam vortex sensor |
| 03/23/1989 | WO1989002579A1 Method and system for controlling a mechanical pump to monitor and optimize both reservoir and equipment performance |
| 03/23/1989 | WO1989002526A1 Feedback fuel metering control system |