| 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) |
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| 04/04/1978 | US4081998 Flow stilling device |
| 03/28/1978 | US4080837 Sonic measurement of flow rate and water content of oil-water streams |
| 03/28/1978 | US4080821 Electric circuits |
| 03/21/1978 | US4080574 Apparatus for providing time reference signals |
| 03/21/1978 | US4079718 Fuel injection system |
| 03/21/1978 | US4079626 Electromagnetic flow meter |
| 03/14/1978 | US4078429 Wobble plate flow-rate measuring device |
| 03/14/1978 | US4078428 Measurement of fluid flow |
| 03/14/1978 | US4078427 Ultrasonic flow or current meter |
| 03/14/1978 | US4078421 Method and automatic device for the testing of tight cavities |
| 03/07/1978 | US4077261 Instrument protective apparatus |
| 02/21/1978 | US4075680 Capacitance densitometer for flow regime identification |
| 02/21/1978 | US4074573 Method and apparatus for the measurement of volumetric flowrate in pipes and ducts |
| 02/21/1978 | US4074572 Method and apparatus for sensing the flux of a flowing fluid |
| 02/21/1978 | US4074571 Obstacle assembly for vortex type flowmeter |
| 02/21/1978 | US4074566 Intake air amount detecting device for an internal combustion engine |
| 02/14/1978 | US4073189 Fluid flow monitoring device |
| 02/07/1978 | US4072052 Flow proportioner |
| 02/07/1978 | US4072051 Parameter compensating system for a flowmeter |
| 01/31/1978 | US4071757 Detection of behind casing water flow at an angle to the axis of a well borehole |
| 01/31/1978 | US4070917 Ultrasonic pulse-echo thickness and velocity measuring method |
| 01/24/1978 | US4070575 Measurement of flow of particulate material by sensing the shadow profile |
| 01/24/1978 | US4070563 Infiltration-inflow sewer line analyzer |
| 01/24/1978 | US4070311 Flameproof material or conglomerate |
| 01/24/1978 | US4069709 Flow rate sensor |
| 01/24/1978 | US4069708 Flowmeter plate and sensing apparatus |
| 01/17/1978 | US4069433 Modular transducer assembly |
| 01/10/1978 | US4067238 Device for measuring the rate of flow of flowable products, particularly loose material |
| 01/10/1978 | US4067237 Novel heat pipe combination |
| 01/10/1978 | US4067233 Intake air amount measuring system for an internal combustion engine |
| 01/03/1978 | US4065966 Compressible fluid velocity measuring instrument |
| 01/03/1978 | US4065965 Electromagnetic flowmeter having removable electrode leads |
| 01/03/1978 | US4065957 Fluid speed indicating apparatus and densitometer |
| 12/27/1977 | US4064843 Fuel metering and injection system for internal combustion engines |
| 12/27/1977 | US4064753 RF admittance measuring method and apparatus for determining the level of a conductive liquid |
| 12/27/1977 | US4064751 Flowmeter |
| 12/20/1977 | US4063456 Method and a device for continuously measuring a flow of material |
| 12/20/1977 | US4063455 Flow meter |
| 12/20/1977 | US4063449 Air gauge for nozzle assemblies |
| 12/13/1977 | US4062238 Multi-range vortex-type flowmeter |
| 12/13/1977 | US4062237 Crossed beam ultrasonic flowmeter |
| 12/06/1977 | US4061031 Combination of flow meter and bubble trap |
| 11/29/1977 | US4060074 Inhalation device |
| 11/29/1977 | US4059982 Apparatus for the measurement of thermal properties of biomaterials |
| 11/22/1977 | US4059744 Net oil computer or the like |
| 11/22/1977 | US4059067 Apparatus for determining the rate of flow of particles in a vacuum deposition device |
| 11/22/1977 | US4059015 Angle-to-current converter |
| 11/22/1977 | US4059014 Electromagnetic flowmeter |
| 11/15/1977 | US4058100 Intake air flow rate measuring device for internal combustion engine |
| 11/15/1977 | US4058089 Electrically controlled fuel injection system |
| 11/15/1977 | US4058012 Apparatus for measuring the flow of fine-grained hot solids |
| 11/15/1977 | US4058011 Flow monitoring apparatus |
| 11/15/1977 | US4058006 Metering device |
| 11/08/1977 | US4057720 Behind casing fluid flow detection in producing wells using gas lift |
| 11/08/1977 | US4056977 Swirler for a fluid flowmeter and method of making same |
| 11/08/1977 | US4056976 Mass rate of flow meter |
| 11/08/1977 | US4056975 Mass flow sensor system |
| 11/01/1977 | US4056003 Device for measuring the mass flow or flow rate of a gas |
| 11/01/1977 | US4056002 Component flow rate measurement in two-phase systems |
| 10/25/1977 | US4055083 Chemical tracer method of and structure for determination of instantaneous and total mass and volume fluid flow |
| 10/11/1977 | US4052964 Corona discharge fluid flow transducers and fuel injection systems incorporating such transducers |
| 10/11/1977 | US4052897 Methods and apparatus for determining total flow rate of gaseous fluids |
| 10/11/1977 | US4052896 Ultrasonic flow meter |
| 10/11/1977 | US4052895 Obstacle assembly for vortex-type flowmeter |
| 10/11/1977 | US4052892 Pressure and volume recording apparatus |
| 10/04/1977 | US4051723 Force-type flowmeter |
| 09/27/1977 | US4051444 Amplifier structure for low-level voltage measurements |
| 09/27/1977 | US4051431 Apparatus for measuring rates of urine flow electrically |
| 09/27/1977 | US4050896 Method and apparatus for the production of reaction mixtures from liquid reaction components |
| 09/27/1977 | US4050428 Carburetor intake air flow measuring device |
| 09/27/1977 | US4050305 Shield and bracket assembly for flowmeter |
| 09/27/1977 | US4050304 Apparatus for measuring mass flow of fluids |
| 09/27/1977 | US4050303 Fluid flow meters |
| 09/27/1977 | US4050301 Electromagnetic water current meter with synthetic direction field |
| 09/27/1977 | US4050295 Digital measuring system for engine fuel performance |
| 09/20/1977 | US4049989 Ion production means |
| 09/20/1977 | US4049352 Method and apparatus for determining the rate of flow of particles in a vacuum deposition device |
| 09/20/1977 | US4048854 System for determining the ratio of oil to water in a metered fluid stream |
| 09/20/1977 | US4048852 Integrating calorimeter |
| 09/20/1977 | US4048757 System for metering abrasive materials |
| 09/13/1977 | US4048497 Method of measuring the oil consumption of internal combustion engines |
| 09/13/1977 | US4047695 Adjustable choke |
| 09/13/1977 | US4047668 Water hydrant diffuser |
| 09/13/1977 | US4047521 Rate-of-flow meter, particularly for diagnostic spirometry |
| 09/13/1977 | US4047433 Modular vortex flowmeter |
| 09/13/1977 | US4047432 Bluff body flowmeter including shield-channel arrangement |
| 09/13/1977 | US4047426 Sonic nozzle apparatus in a carburetor flow testing machine |
| 09/06/1977 | USRE29383 Digital fluid flow rate measurement or control system |
| 09/06/1977 | US4047028 Resolution of through tubing fluid flow and behind casing fluid flow in multiple completion wells |
| 09/06/1977 | US4046113 Internal combustion engine fuel injection control system |
| 09/06/1977 | US4045876 Liquid level indicator and flow measuring device |
| 08/30/1977 | US4045668 Method and apparatus for immiscible liquids measurement |
| 08/23/1977 | US4043300 Apparatus for balancing the flow of two agents, capable of reacting together to provide energy, to an energy generator |
| 08/23/1977 | US4043196 Method and apparatus for effecting fluid flow measurement in a single sensor |
| 08/23/1977 | US4043195 Digital thermodynamic flow-meter |
| 08/23/1977 | US4043188 Air flow meter for internal combustion engine |
| 08/16/1977 | US4041891 Flow indicator with improved biasing assembly |
| 08/16/1977 | US4041777 Method and apparatus for testing carburetors |
| 08/16/1977 | US4041759 Environmentally-resistant anemometer |
| 08/16/1977 | US4041758 Linear response flow meter |