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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01/30/1990 | CA1265199A1 Electromagnetic flowmeter with capacitance type electrodes |
01/25/1990 | WO1990000723A1 Process and arrangement for flow measurement by means of ultrasonic waves |
01/25/1990 | DE3909177A1 Arrangement for measuring the rate of flow in the case of the pneumatic and hydraulic conveyance of fine (small) grained bulk materials |
01/25/1990 | DE3824929A1 Device for measuring the fluid quantity in a flow channel |
01/25/1990 | DE3824351A1 Mass flowmeter |
01/24/1990 | EP0352203A2 Method and apparatus for simultaneously measuring in a pipe the density, the concentration, the flowing rate, the delivery and the temperature of a liquid or a pasty fluid by ultrasonic transmission |
01/23/1990 | US4895616 Semiconductors |
01/23/1990 | US4895031 Sensor mounting for coriolis mass flow rate meter |
01/23/1990 | US4895030 Process for the measurement of weight flow-rates and related devices |
01/23/1990 | US4895020 Air flow rate meter for internal combustion engines |
01/18/1990 | DE3922403A1 Gas burner fed with a combustible-gas/air mixture |
01/18/1990 | DE3823614A1 Method and installation for flow measurement |
01/17/1990 | EP0351042A1 Fluid flow sensor |
01/17/1990 | EP0350712A1 Method and device for measuring a mass flow |
01/17/1990 | EP0156855B1 Small line-size vortex meter |
01/16/1990 | US4894808 Flow noise reduction |
01/16/1990 | US4893496 Torsional wave fluid sensor and system |
01/11/1990 | WO1990000248A1 A fluid flow meter |
01/11/1990 | DE3823177A1 Ultrasonic flow measurement using the evaluation of phase shifts |
01/11/1990 | DE3821967A1 Shut-off device for twin-tube gas meters, and electronic gas meter |
01/10/1990 | CN2050967U Multi-function combined flow and heat quantity measuring equipment |
01/09/1990 | US4892114 Flow-sensing shutoff valve |
01/09/1990 | US4892072 System for measuring amount of air introduced into combustion chamber of internal combustion engine with avoiding influence of temperature dependent air density variation and pulsatile air flow |
01/09/1990 | US4891991 Coriolis-type mass flowmeter |
01/09/1990 | US4891990 Vortex flowmeter transducer |
01/09/1990 | US4891989 Vortex flow meter |
01/09/1990 | US4891988 Vortex flowmeter |
01/09/1990 | US4891978 Apparatus for measuring the mass of a flowing medium and method for producing an apparatus for measuring the mass of a flowing medium |
01/09/1990 | US4891977 Microbridge sensor bonding pad design for improved adhesion |
01/08/1990 | EP0288514A4 Fiber optic sensor apparatus. |
01/08/1990 | EP0267956A4 Index-sight. |
01/04/1990 | DE3919299A1 Corrugated diaphragm |
01/04/1990 | DE3818418A1 Float flow meter |
01/03/1990 | EP0349174A1 Thermal flux mass flowmeter |
01/03/1990 | EP0219489B1 Measuring orifice for a measuring arrangement for measuring fluid flow and measuring arrangement using such a measuring orifice |
01/02/1990 | US4891622 Encapsulated electronic components |
01/02/1990 | US4890499 Fluid flow detectors |
01/02/1990 | US4890489 Direction-sensitive flow-rate indicator |
12/28/1989 | WO1989012803A1 Flow sensor |
12/28/1989 | WO1989012802A1 Mass-volume flowmeter |
12/27/1989 | EP0347732A2 Electrical flow sensor |
12/27/1989 | EP0347649A1 Device for measuring the fluid-flow rate of an electrically conductive fluid |
12/27/1989 | EP0162865B1 Counter rotating, multi turbine flow measuring system |
12/27/1989 | CN1038344A Electronic gas flowmeter |
12/26/1989 | US4888991 Relative motion sensor |
12/26/1989 | US4888988 Silicon based mass airflow sensor and its fabrication method |
12/26/1989 | US4888987 High sensitivity measurement device for measuring various parameters of non-electric quantity |
12/21/1989 | DE3918308A1 Flow indicator |
12/20/1989 | EP0347218A2 Air flow metering apparatus for internal combustion engines |
12/20/1989 | EP0347096A2 A speed measurement device |
12/20/1989 | EP0346393A1 Marine instrument |
12/20/1989 | EP0346336A1 Flow measuring device. |
12/20/1989 | CN2049765U Opened type parallel-tube coriolis mass flowmeter |
12/20/1989 | CN2049764U Opened type straight tube coriolis mass flowmeter |
12/20/1989 | CN2049763U Bashel adding up water measurer for water tank |
12/20/1989 | CN1038160A Apparatus for measuring flow of fluid |
12/20/1989 | CN1038159A Vortex flowmeter |
12/20/1989 | CN1038158A 多功能组织细胞测氧器 Multifunction tissue Oximetry |
12/20/1989 | CN1038149A Integrated multifunction regulator station for gas supply to secondary mains |
12/19/1989 | US4888706 Fluid distribution to multiple users through distributed intelligence sub-centers |
12/19/1989 | US4888547 Meter using a microwave bridge detector for measuring fluid mixtures |
12/19/1989 | US4887577 Hot-wire type air flow meter and an internal combustion engine with the same |
12/19/1989 | US4887469 High accuracy turbine flowmeter with optical sensor |
12/19/1989 | US4887462 Air flow rate meter |
12/14/1989 | WO1989012216A1 Apparatus for registering leakage or unintended consumption in a pipe system |
12/14/1989 | WO1989011917A1 Dusting apparatus |
12/14/1989 | DE3820025A1 Measurement circuit |
12/14/1989 | DE3818875A1 Device for determining the mass and/or velocity as well as the number of particles in a fluid |
12/14/1989 | DE3818469A1 Current value indicator with filter for the consumption of heating oil |
12/13/1989 | EP0345524A1 Apparatus for estimating intake air amount |
12/13/1989 | EP0345313A1 Acoustic method for measuring properties of a mobile medium |
12/13/1989 | EP0227685B1 Flow indicating device |
12/12/1989 | US4886420 Protected flow meter rotor bearing |
12/12/1989 | US4885943 Electronic flowmeter system and method |
12/12/1989 | US4885942 Ultrasound flow rate meter using a phase difference method and apparatus |
12/12/1989 | US4885938 Flowmeter fluid composition correction |
12/12/1989 | US4885937 Flow sensor |
12/07/1989 | DE3818643A1 Aerosol generator for producing a continuous flow of particles, in particular for injecting air flows |
12/07/1989 | DE3818417A1 Flow meter having a vortex body |
12/07/1989 | DE3808913C1 Method and circuit arrangement for processing the measuring signals from flow meters |
12/06/1989 | EP0344927A1 Flow meter |
12/06/1989 | EP0344294A1 Vortex generator-sensor |
12/05/1989 | US4884460 Device for sensing air flow |
12/05/1989 | US4884459 Flow rate converter |
12/05/1989 | US4884458 High sensitivity vortex shedding flowmeter |
12/05/1989 | US4884457 Means and method for monitoring the flow of a multi-phase petroleum stream |
12/05/1989 | US4884448 Ultrasonic doppler meter |
12/05/1989 | US4884443 Control and detection circuitry for mass airflow sensors |
12/05/1989 | US4884441 Variable capacity flowmeter |
11/30/1989 | WO1989011635A1 Coriolis mass flow meter employing non-metallic flow conduit structure |
11/30/1989 | DE3816680A1 Method of determining properties of gas-borne solid aerosols in high-temperature zones |
11/29/1989 | CN1037586A Signal generator for indicating the condition of water flow |
11/29/1989 | CN1005927B Electromagnetic flow meter converter |
11/28/1989 | US4884215 Airflow sensor and control circuit |
11/28/1989 | US4882935 Convective attenuation flowmeter |
11/28/1989 | US4882934 Ultrasonic instrument to measure the gas velocity and/or the solids loading in a flowing gas stream |
11/28/1989 | US4882931 Method and an apparatus for determining the velocity, direction and other magnitudes of a flow, in particular a gas flow |
11/28/1989 | CA1263257A1 Apparatus for measuring fuel consumption |
11/23/1989 | EP0342763A1 An apparatus for measuring the flow of a fluid |
11/23/1989 | EP0342612A1 Flow rate sensor |