Patents
Patents for G01F 3 - Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow (2,299)
12/1984
12/11/1984CA1179418A1 Apparatus for indicating injection timing and fuel per stroke in an internal combustion engine
12/04/1984US4485763 Method for direct measurement of the amount of milk obtained from a cow by a milking system during milking
12/04/1984US4485762 Milk metering method and apparatus
11/1984
11/28/1984EP0126721A1 Apparatus for mixing liquids
11/22/1984WO1984004461A1 Apparatus for mixing liquids
11/21/1984EP0125665A1 Rotary meter with integral instrument housing
11/21/1984EP0125664A1 Internal gate rotary vane fluid meter with controlled rotor vane inner diameter
11/21/1984EP0125663A1 Internal gate rotary vane fluid meter with controlled rotor vane aspect ratio
11/21/1984EP0125662A1 Internal gate rotary vane fluid meter with improved element geometry
11/21/1984EP0125661A1 Internal gate rotary vane fluid meter with contoured inlet and outlet passages
11/21/1984EP0125583A1 Metered gas volume correcting arrangement
11/13/1984US4481812 Internal gate rotary vane fluid meter with controlled rotor vane aspect ratio
11/13/1984CA1177960A1 Traveling wave flow meter
10/1984
10/31/1984EP0123320A1 Adjustable tangent assembly for a diaphragm gas meter
10/30/1984US4479384 Internal gate rotary vane fluid meter with improved element geometry
10/23/1984US4478079 Internal gate rotary vane fluid meter with contoured inlet and outlet passages
10/23/1984US4478078 Direct gearless drive mechanism for an internal gate rotary vane fluid meter
10/17/1984EP0121943A1 Tamper resistant seal plug
10/17/1984EP0121578A1 Liquid-flow measuring device and method particularly useful for drip chambers
10/09/1984US4475668 Metering feeder for liquid
10/03/1984EP0120406A1 Method and device for monitoring a gravity infusion
09/1984
09/27/1984WO1984003765A1 Positive displacement flow sensor
09/27/1984WO1984003632A1 Method for monitoring a gravity infusion and device for implementing such method
09/04/1984US4468964 Liquid meter
08/1984
08/14/1984US4465063 Cardiac flow measurement system and method
07/1984
07/10/1984CA1170603A1 Milk meter for measuring the total amount of milk from a cow in the course of a milking
07/05/1984WO1984002576A1 Milk metering method and apparatus
06/1984
06/26/1984US4455870 Method and apparatus for determining liquid flow rates
06/13/1984EP0110782A1 Flow measuring device for a fluid
06/12/1984US4453403 Volumetric metering equipment
05/1984
05/29/1984US4450720 Flowmeter connecting rod assembly
05/29/1984CA1168332A1 Molar gas-flow controller
05/24/1984WO1984001889A1 Device for measuring urine
05/23/1984EP0109373A2 Device for measuring urine
05/08/1984CA1166872A1 Tamper proof gas meter
04/1984
04/10/1984CA1165300A1 Crop metering device for combine harvesters
04/04/1984EP0104978A1 Device for measuring fuel consumption
04/03/1984CA1164754A1 Intravenous metering device
03/1984
03/13/1984US4437162 Residual liquid meter using computer responsive to measurements of liquid level and flow
02/1984
02/22/1984EP0100844A1 Instrumental error compensation circuit for flow meter
02/21/1984US4432761 Volumetric drop detector
01/1984
01/11/1984EP0098219A1 Dosing-feeding device
12/1983
12/27/1983US4422674 Tamper proof gas meter
12/27/1983US4422324 Four chamber direct drive gas meter
12/21/1983EP0096495A1 Cardiac flow measurement system and method
11/1983
11/08/1983US4413634 Low volume change detection
10/1983
10/18/1983US4409830 Wave velocity detecting schemes for traveling wave flow meter
10/18/1983US4409829 Volume flow sensor of the gear wheel motor type
09/1983
09/27/1983US4406163 Positive displacement volumetric compressible fluid meter
09/21/1983EP0088883A1 Plastic water meter main case
09/07/1983EP0087431A1 Installation for measuring liquid quantities.
08/1983
08/23/1983US4399709 Flow meter
08/17/1983EP0086145A1 Flow meter and device to mix in an additive with a fluid comprising such a flow meter
08/16/1983US4398428 Fluid flow sensor
07/1983
07/27/1983EP0084401A1 Processes for measuring quantities of gases and for delivering predetermined amounts of liquids and apparatuses to carry out these processes
07/27/1983EP0084185A1 Processes for measuring quantities of gases and for delivering predetermined amounts of liquids and apparatuses to carry out these processes
07/21/1983WO1983002499A1 Processes for measuring quantities of gases and for delivering predetermined amounts of liquids and apparatuses to carry out these processes
07/05/1983US4391222 Milk meter for measuring the total amount of milk from a cow in the course of a milking
07/05/1983US4391139 Plastic water meter main case
06/1983
06/28/1983CA1148791A1 Combined lift and metering pump
06/22/1983EP0081641A1 Four chamber direct drive gas meter
06/15/1983EP0081049A2 Device for the direct measurement of the quantity of milk delivered by a cow during milking
06/07/1983US4386523 Apparatus for measuring and/or sampling the milk-yield of a cow during milking
05/1983
05/25/1983EP0079421A1 Improved solids mass flow indication
05/24/1983CA1146770A1 Electronic urine flow monitor
04/1983
04/12/1983CA1144396A1 Liquid measuring device
03/1983
03/31/1983WO1983001108A1 Installation for measuring liquid quantities
03/02/1983EP0073156A1 Apparatus for automatic measurement and collection of urinary output from a patient
02/1983
02/08/1983US4372249 Volumetric apparatus for milk and method of measuring the total quantity of milk collected from a cow in milking
02/08/1983US4372150 Flow monitoring method and apparatus
01/1983
01/11/1983US4367653 Device for measuring solids in a moving stream
12/1982
12/21/1982US4364413 Molar gas-flow controller
12/21/1982US4364269 Flowmeter for determining average rate of flow of liquid in a conduit
12/07/1982US4362052 Flowmeter
12/07/1982CA1136885A1 Method and apparatus for the non-invasive determination of the characteristics of a segmented fluid stream
11/1982
11/30/1982CA1136506A1 Cassette for intravenous controller
11/16/1982US4358954 Traveling wave flow meter
11/10/1982EP0064331A1 Gas meters
11/02/1982US4356727 Continuous volume measuring system
10/1982
10/05/1982CA1133070A1 Stractometric apparatus for ureter peristaltic assessment and medication dispensing
08/1982
08/31/1982US4346603 Microflow transducer
08/24/1982CA1130110A1 One-way index for gas meters
08/11/1982EP0057267A1 Milk quantity measurement device for measuring the total quantity of milk delivered by a cow during milking
08/10/1982US4343316 Electronic urine flow monitor
07/1982
07/14/1982EP0055836A2 Molar gas-flow controller
07/13/1982CA1127421A1 Rotary meter
06/1982
06/29/1982US4336800 Intravenous metering device
06/09/1982EP0053575A1 Volume flow meter in the form of a toothed wheel motor
06/08/1982US4334037 Moulding compositions of a styrene polymer and PTFE particles
06/02/1982EP0052992A1 Flowmeters
05/1982
05/25/1982US4331033 Precision flowmeter
05/11/1982US4329130 Flow meter with helical toothed rotors having no pulsation and zero contact pressure
03/1982
03/24/1982EP0048036A2 Dry gas meters
03/23/1982US4320775 Liquid metering unit responsive to the weight of the metered liquid
03/17/1982EP0047555A2 Apparatus for measuring and/or sampling the milk-yield of a cow during milking
03/17/1982EP0047305A1 Electronically controlled flow meter and flow control system
02/1982
02/16/1982US4315523 Electronically controlled flow meter and flow control system
02/09/1982US4314484 Self-compensating optical drop count apparatus for measuring volumetric fluid flow
02/02/1982CA1117317A1 Controlled volume liquid meter defining improved plunger means
12/1981
12/29/1981US4307601 Apparatus for calibrating flow meters and the like
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