Patents
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)
10/1998
10/04/1998CA2201832A1 Apparatus and device for monitoring flow of fluid in a conduit
10/01/1998WO1998043098A1 Method and device for detecting gas and liquid volumes using volumeters
10/01/1998WO1998043051A2 Vortex flowmeter with signal processing
10/01/1998DE19714351A1 Verfahren und Vorrichtung zum Erfassen von Gas- und Flüssigkeitsvolumina mit Volumenzählern Method and apparatus for detecting gas and liquid volumes with volume meters
09/1998
09/30/1998EP0867796A1 Flow control valve utilizing sonic nozzle
09/30/1998EP0867694A1 Coriolis mass flow rate meter
09/30/1998EP0866951A1 Differential pressure measurement systems for fluid streams
09/30/1998EP0866950A1 Air mass meter
09/30/1998CN2293050Y Well electromagnetic flowmeter
09/30/1998CN2293049Y Well screw float flowmeter
09/30/1998CN1194690A Device for measuring amount of flowing medium
09/30/1998CN1194689A Fluid meter of the ultrasonic type for attenuation of parasitic ultrasonic waves
09/30/1998CN1194368A Measuring and controlling loop used in corioli type mass flow meter
09/30/1998CN1194367A Method for producing electromagnet flow sensor measuring tube
09/29/1998US5815091 Position encoder
09/29/1998US5814739 Coriolis flowmeter having corrugated flow tube
09/29/1998US5814738 Fluid flow meter and mixer having removable and replaceable displacement member
09/29/1998US5814737 Apparatus and method of detecting an ultrasonic signal
09/29/1998US5814736 Holder for ultrasonic transducers
09/29/1998US5814735 Flow rate detector
09/29/1998US5813397 Delivery of aerosol medication for inspiration
09/29/1998CA2040857C Flexible tubing occlusion sensor
09/24/1998WO1998041819A1 Elbow mounted turbine flowmeter
09/24/1998WO1998041148A1 Measuring detector and system for the measurement of gas flow
09/24/1998DE19810798A1 Ultrasonic volume flow meter control and analysis circuit
09/24/1998DE19809031A1 Inductive rotation sensor for turbine flowmeter
09/23/1998EP0866319A1 Measuring and operating circuit of a Coriolis-type mass flow meter
09/23/1998EP0866318A1 Automatic calibration check arrangement in a measuring device
09/23/1998EP0866317A1 Method of fastening a metal body to a measuring tube of a Coriolis-type mass flow sensor
09/23/1998EP0777852B1 Ultrasonic device with enhanced acoustic properties for measuring a volume amount of fluid
09/23/1998EP0771409B1 Noise reduction filter system for a coriolis flowmeter
09/23/1998EP0763189A4 Mounting system for pressure transmitters
09/23/1998EP0746764A4 Ultrasonic transducer system with temporal crosstalk isolation
09/23/1998EP0712486B1 Improvements relating to fluid flow monitoring
09/23/1998EP0655017B1 Piezoelectric sensor and flow transducer
09/23/1998CN1194031A Single jet liquid meter with improved motor torque
09/23/1998CN1193733A Coriolis mass flow/density sensor with single straight measuring tube
09/23/1998CN1193732A Impulse flow meter
09/22/1998US5811689 Fluid flow meter
09/22/1998US5811688 Open channel flowmeter utilizing surface velocity and lookdown level devices
09/22/1998US5811674 Coolant safety system for welding apparatus
09/22/1998US5809827 Flow rate detector
09/17/1998WO1998040702A1 Dual loop coriolis effect mass flowmeter
09/17/1998WO1998040701A1 Method and device for detecting quantities during milk collection using mobile or stationary collection systems
09/17/1998WO1998040700A1 Device for measuring hydraulic discharge volumes and leakages in a test piece
09/17/1998WO1998040307A2 Method and apparatus for dispensing fluids
09/17/1998DE19710559A1 Sensor especially mass flow sensor
09/16/1998EP0864851A1 Material distribution arrangement in a mass flow meter
09/16/1998EP0864850A1 Inlet tube arrangement for a mass flow meter
09/16/1998EP0864849A1 Instrument for measuring mass flow rate of powder, and electrostatic powder coating apparatus utilizing the same
09/16/1998EP0864076A2 Improved fluid pressure measuring system for control valves
09/16/1998EP0835427A4 Apparatus for and method of draining ultrasonic transducer port cavities
09/16/1998EP0749570B1 Method and device for measuring the characteristics of an oscillating system
09/16/1998EP0431132B1 Improved stability coriolis mass flow meter
09/16/1998CN2291643Y Watermeter with senser and its gauge glass
09/16/1998CN2291642Y Ionic current calibrating device of electromagnetic flowmeter
09/15/1998US5808242 Electromagnetic flow rate measuring apparatus and method for compensating the measured flow rate
09/15/1998US5808209 Vortex fluid meter including a profiled pipe
09/15/1998US5808208 Inductive flow meter
09/15/1998US5808195 Arrangement for determining liquid velocity versus depth utilizing historical data
09/15/1998US5808194 Flow monitoring process
09/15/1998US5808188 Flowbench and air flow measurement and calibration procedure
09/15/1998US5806716 Mass flow, fluid measuring and dispensing system
09/10/1998DE19709570A1 Water meter especially for wet conditions
09/10/1998DE19709422A1 Vorrichtung zur Messung von hydraulischen Durchflußmengen und Leckagen an einem Prüfling Device for measuring hydraulic flow rates and leakages in a test piece
09/09/1998CN2290837Y Limit water meter
09/09/1998CN1192529A Vortex flow sensor
09/09/1998CN1039744C Supersonic vortex flowmeter
09/08/1998US5804742 Mass flow meter
09/08/1998US5804741 Digital phase locked loop signal processing for coriolis mass flow meter
09/08/1998US5804740 For providing the mass flow of a fluid
09/08/1998US5804739 Method and circuit arrangement for the measurement of flow speed by means of acoustical transit time differences
09/08/1998US5804720 Flow sensor apparatus including a thin film sensor
09/08/1998US5804718 Airflow meter having an inverted u-shape bypass passage
09/08/1998US5804717 Mass flow transducer having extended flow rate measurement range
09/08/1998US5804714 Flow meter
09/08/1998US5803507 Apparatus for handling process fluid
09/08/1998US5803123 Mounting system for pressure transmitters
09/03/1998WO1998038479A1 Coriolis flowmeter having axially compliant case ends
09/03/1998DE19716119C1 Signal input circuit for magnetic inductive flowmeter with liquid flowing through measuring tube
09/02/1998EP0861423A1 System for measuring a gas mass flow
09/02/1998EP0861421A1 Coriolis effect mass flowmeter using a single rotor having a flexible sensing element
09/02/1998EP0861420A1 Device for measuring the mass of a flowing medium
09/02/1998EP0861419A1 Method and device for simultaneous measurement of a volume flow and of partial pressures
09/02/1998CN2290034Y Axial plug-in flow transmitter
09/02/1998CN2290033Y Double steady-state gas controller for IC card gas meter
09/02/1998CN2290032Y IC card liquid crystal display automatic measuring valuation gas meter
09/02/1998CN2290031Y No-source treatment device for flow measurement electronization
09/02/1998CN2290030Y Digital bidirectional water meter capable of resetting
09/02/1998CN2290029Y Cooking flavouring measuring addition apparatus
09/02/1998CN1192270A Transmitter for providing a signal indicative of flow through a differential transducer using a simplified process
09/01/1998US5801879 Device and method to supress Q-switching in an optical amplifying device
09/01/1998US5801308 Measuring apparatus for measuring an injected quantity of liquid
09/01/1998US5800262 Acoustic volume and torque weight sensor
09/01/1998US5799350 Blood flow velocity measurement device
08/1998
08/26/1998EP0859943A1 Device for finding the flow rate of a flowing medium
08/26/1998EP0715693A4 Method and apparatus for determining characteristics of fluid flow
08/26/1998CN2289211Y 粉体稳流计量器 Powder steady flow meter
08/26/1998CN2289210Y Electronic water meter
08/26/1998CN2289209Y Intelligent card advanced charge gas meter