| 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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| 02/24/1981 | US4252016 Air flow rate metering instrument |
| 02/19/1981 | WO1981000462A1 Wind chill indicator |
| 02/19/1981 | WO1981000453A1 Turbine flowmeters |
| 02/18/1981 | EP0023970A2 Air flow meter |
| 02/17/1981 | US4250747 Heat meters |
| 02/17/1981 | US4250745 High dynamic response mass rate fluid flow sensor |
| 02/17/1981 | CA1095995A1 Metering system for stimulating bronchial spasm |
| 02/10/1981 | US4250566 Magnetic domain propagation register |
| 02/10/1981 | US4250249 Method for developing residual-moisture photographs |
| 02/05/1981 | WO1981000312A1 Constant flow rate supplying device |
| 02/04/1981 | EP0023457A1 Method of measuring fluid velocity by transit time determination of a marking, and mass-flow meter based on this method |
| 02/03/1981 | US4249164 Flow meter |
| 02/03/1981 | US4248100 Mass rate of flow meter with improved magnetic circuit |
| 02/03/1981 | US4248099 Mass rate of flow meter with improved fluid drive |
| 02/03/1981 | US4248098 Flow metering apparatus |
| 02/03/1981 | US4248086 Device for measuring the mass flow or flow rate of an insulating liquid |
| 02/03/1981 | US4248085 Measurement of relative velocities |
| 02/03/1981 | CA1095186A1 Method for detecting fractures in formations surrounding earth boreholes |
| 02/03/1981 | CA1095185A1 Method for monitoring fluid movement behind casing in oil and gas wells |
| 02/03/1981 | CA1095163A1 Method and system for measuring flow rate |
| 01/28/1981 | EP0022828A1 A method of and apparatus for determining the mass flow rate of a fluid stream. |
| 01/27/1981 | US4246800 Strobed power supply for an ultrasonic measuring instrument |
| 01/27/1981 | CA1094349A1 Apparatus and method for the indirect measurement and control of the flow rate of a liquid in a piping system |
| 01/21/1981 | EP0022507A1 Process for chemically recording boundary layer currents |
| 01/20/1981 | US4245758 Method and apparatus for measuring molten metal stream flow |
| 01/20/1981 | US4245513 Variable area meter insert unit |
| 01/20/1981 | US4245504 One-way index for gas meters |
| 01/20/1981 | US4245503 Thermal flowmeter |
| 01/20/1981 | US4245502 Apparatus for measuring the velocity of gases |
| 01/13/1981 | US4244231 Method for measuring mass flow of a substance |
| 01/13/1981 | US4244230 Fluidic oscillator flowmeter |
| 01/13/1981 | US4244222 Instrumentation probe |
| 01/13/1981 | US4244217 Gas flow monitor |
| 01/13/1981 | US4244212 Fluidic pressure ratio sensor |
| 01/13/1981 | US4244211 Apparatus for measuring small weight capacities of liquids |
| 01/07/1981 | EP0021978A1 Turbine flow-meter |
| 01/07/1981 | EP0021291A1 Flowmeter |
| 01/07/1981 | EP0020537A1 A device for measuring the flow velocity of fluids. |
| 01/06/1981 | US4243176 Sealing and air/fuel mixture flow metering plate for gas furnaces |
| 01/06/1981 | US4242916 Turbine meter |
| 01/06/1981 | CA1092856A1 Liquid measuring device |
| 12/30/1980 | US4241732 Arrangement in respirators using a fluidistor to determine volume of air passed to a patient and pressure sensor to correct volume reading in terms of actual pressure |
| 12/30/1980 | US4241613 Mass rate flow meter |
| 12/30/1980 | US4241612 Flowmeter |
| 12/30/1980 | US4241605 Flowmeter with magnetic coupling |
| 12/24/1980 | WO1980002874A1 Device for measuring and controlling gas flows |
| 12/23/1980 | US4241017 Device for measuring a urine discharge |
| 12/23/1980 | US4240299 Method and apparatus for determining fluid density and mass flow |
| 12/23/1980 | US4240294 Flow meter |
| 12/23/1980 | US4240293 Vortex generating device |
| 12/23/1980 | US4240292 Method for triggering ultrasonic flow meter and ultrasonic flow meter adapted for same |
| 12/16/1980 | US4238965 Two wire flow rate transmitter |
| 12/10/1980 | EP0019618A1 Peak tracking correlator |
| 12/09/1980 | US4238448 Discharge measuring device |
| 12/09/1980 | US4237904 Medical apparatus for the measurement of respiratory flow independent of gaseous composition |
| 12/09/1980 | US4237739 Integral flow metering assembly using a segmental wedge |
| 12/09/1980 | US4237730 Fluid velocity measurement system |
| 12/09/1980 | US4237729 Doppler flow meter |
| 12/09/1980 | CA1091328A1 Method and automatic device for the testing of tight cavities |
| 12/02/1980 | US4236411 Electromagnetic flowmeter |
| 12/02/1980 | US4236410 Temperature-compensated electromagnetic flowmeter |
| 12/02/1980 | US4236406 Method and apparatus for sonic velocity type water cut measurement |
| 11/26/1980 | EP0019313A2 Magnetic rotary bearing |
| 11/26/1980 | EP0019206A1 Flow rate measuring apparatus having vortex-generating element and hot wire element |
| 11/26/1980 | EP0019135A2 Measuring probe for use in measuring the temperature or mass of a flowing medium and process for its manufacture |
| 11/25/1980 | US4235205 Fuel feed device for engine |
| 11/25/1980 | US4235105 Hydraulic actuator controls |
| 11/18/1980 | US4233842 Apparatus for measurement of expiration fluids |
| 11/12/1980 | EP0018963A1 Measuring-probe positioning apparatus and circuitry for controlling the same and for indicating the measuring-probe position and the measuring value |
| 11/11/1980 | US4233508 Water injection profiling |
| 11/11/1980 | US4232549 Two stage flowmeter |
| 11/11/1980 | US4232548 Liquid flow meter |
| 11/04/1980 | US4232224 Nuclear reactor primary coolant loop flowmeter with phase shift tracking compensation |
| 11/04/1980 | US4231345 Apparatus for controlling an electrical switching element in internal combustion engines |
| 11/04/1980 | US4231262 System for measuring entrained solid flow |
| 11/04/1980 | US4231261 Fluid pressure measuring device |
| 11/04/1980 | US4231253 Air-flow capture and control device for flow measurement |
| 10/29/1980 | EP0017874A1 Gas meter |
| 10/28/1980 | US4230083 Fuel supply apparatus |
| 10/21/1980 | US4228921 Apparatus for measuring liquid developer flow rate |
| 10/21/1980 | US4228815 Measurement and control of multicomponent liquid systems |
| 10/21/1980 | US4228768 Air induction apparatus for use with karman vortex shedding flow meter |
| 10/21/1980 | US4228683 Method of determining liquid flow in a conduit |
| 10/15/1980 | EP0017475A1 Acoustic flowmeter with Reynolds number compensation |
| 10/15/1980 | EP0016928A1 Flow meter with a rotating body and means to improve the starting behaviour of the rotating body |
| 10/14/1980 | US4228353 Multiple-phase flowmeter and materials analysis apparatus and method |
| 10/14/1980 | US4227500 Fuel injection apparatus |
| 10/14/1980 | US4227409 Flowmeter |
| 10/14/1980 | US4227408 Harmonic noise suppression in electromagnetic flowmeter |
| 10/14/1980 | US4227407 Volume flow measurement system |
| 10/14/1980 | CA1087689A1 Four-collector flux sensor |
| 10/07/1980 | US4226117 Vortex-shedding flowmeter having drag-actuated torsional sensor |
| 10/07/1980 | CA1087037A1 Peak flow measuring device |
| 10/02/1980 | WO1980002072A1 Method and device for keeping constant the flow rate of bulk material |
| 10/01/1980 | EP0016321A1 Flow meter with a rotating body |
| 10/01/1980 | EP0016302A1 Method and apparatus to determine the flow of especially a highly viscous liquid leaving an opening as a free falling jet |
| 10/01/1980 | EP0016060A1 Vortex generating flowmeter |
| 10/01/1980 | EP0015926A1 Vortex shedding flowmeter construction. |
| 09/30/1980 | US4225778 Flow detection system |
| 09/30/1980 | US4225243 Gas measuring apparatus with standardization means, and method therefor |