Patents
Patents for G01L 19 - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges (10,924)
11/1993
11/11/1993WO1993022645A1 Remotely deployable pressure sensor
11/10/1993EP0568790A2 Device for optically indicating the pressure of a medium
11/09/1993US5259248 Integrated multisensor and static and differential pressure transmitter and plant system using the integrated multisensor
11/03/1993CN2145373Y Electronic distant-reading manometer with digital display
11/02/1993US5258614 Optical fiber loop temperature sensor
11/02/1993US5257547 Amplified pressure transducer
11/02/1993US5257542 Sensor for a capacitance pressure gauge
10/1993
10/28/1993WO1993021506A1 Modular transmitter with flame arresting header
10/28/1993DE4213857A1 Vorrichtung zum Messen von Druck und Differenzdruck A device for measuring of pressure and differential pressure
10/28/1993CA2118009A1 Modular transmitter with flame arresting header
10/27/1993EP0567325A2 Pressure test gauge
10/20/1993CN1077531A Modular transmitter with flame arresting header
10/19/1993CA1323406C Multiple transducer for measuring pressure in gas-filled cables
10/14/1993WO1993020421A1 Method and apparatus for mounting an instrument manifold on an orifice fitting assembly
10/14/1993DE4311298A1 Pressure detecting circuit for semiconductor pressure sensor - has differential amplifier stage with zero drift compensation by temp.-dependent difference between base-emitter voltages
10/14/1993CA2133463A1 Method and apparatus for mounting an instrument manifold on an orifice fitting assembly
10/13/1993EP0565271A1 Differential pressure transducer assembly
10/05/1993US5249469 Pressure gauge
09/1993
09/29/1993EP0561976A1 Temperature compensation of transducers
09/29/1993CN1076782A Test method of ventilator performance parameters
09/28/1993US5248167 Interchangeable process connection resistant to installation errors
09/28/1993CA2091625A1 Differential pressure transducer assembly
09/28/1993CA1322474C Quad-disk static pressure probe
09/28/1993CA1322473C Modular pressure instrument
09/23/1993DE4308666A1 Pressure sensor e.g. for vehicle engine combustion chamber - contains movable structure acting on piezoelectric transducer which is in series with dielectric having capacitance of opposite temp. characteristic wrt transducer
09/23/1993DE4307753A1 Semiconducting stress or load sensing device - contains reference voltage source for compensating temp. coefficient of strain gauge bridge circuit connected to operational amplifier circuit
09/23/1993DE4207951A1 Glass-silicon pressure or differential pressure sensor - contains glass and silicon@ plates, metal coating for forming capacitor electrode and measurement chamber inlet of smaller cross=section than inlet feed lines
09/15/1993WO1994007120A1 Process connecting flange for pressure transducers
09/15/1993CN2142196Y Oil-mud isolating pressure gage with double prevention
09/14/1993US5243857 Fixture for testing electrical terminations
09/09/1993DE4207043A1 Gas flow transducer for measuring pressure, flow speed or volume - has rod perpendicular to flow with inlet and outlet apertures one after other in flow direction
09/08/1993EP0558650A1 Mounting means for fluid pressure transmitters
09/08/1993EP0417156B1 A pressure gauge
09/07/1993US5241863 For measuring the pressure within a fluid-conveying member
09/07/1993CA1321902C Transducer and sensor apparatus and method
09/02/1993WO1993017478A1 An arrangement for verifying the impermeability of a sleeve body in cable networks or the like
08/1993
08/26/1993DE4205688A1 Vorrichtung zur ueberpruefung der dichtigkeit eines muffenkoerpers bei kabelnetzen o. dgl. unter aufbringung eines inneren ueberdruckes Device for checking the tightness of a muffenkoerpers in cable networks o. The like. Under application of an internal excess pressure
08/26/1993DE4204897A1 Contactless pressure monitor for inside rotating part, e.g. hydraulic coupling - has bourdon tube and circuit with coil antenna in body inserted in rotating part together with pressure sensor
08/25/1993CN2141074Y Integral hydraulic meter casing
08/24/1993US5237999 Damper for pressure measuring systems
08/24/1993US5237957 Pressure indicator
08/19/1993WO1993016359A1 Aircraft weight and center of gravity indicator
08/18/1993CN1021847C Pressure transmitter with flame isolating plug
08/17/1993US5235859 Control console for gas die cylinder systems
08/05/1993DE4303228A1 Pressure sensor, esp. for detecting liquid pressure - has hollow main body with divided pressure chamber, detection chamber sealed by metal membrane and filled with pressure transfer liquid
08/03/1993US5231874 Buffer arrangement with back flushing of a quartz pressure transducer in a formation testing device
07/1993
07/29/1993DE4219575A1 Encapsulated pressure sensing semiconducting device - contains sensor element with membrane in resin capsule with section removed to form membrane access window
07/28/1993EP0424483B1 Pressure sensor
07/27/1993US5231508 Hall effect gauge with magnetically-sensitive variable-resistance element
07/27/1993US5230248 Corrosion resistant isolator
07/20/1993US5228337 Tire pressure and temperature measurement system
07/20/1993US5228334 Pressure transducer
07/20/1993US5228333 Pressure and heat-flow sensor for the combustion chamber of internal combustion engines
07/15/1993DE4200452A1 Fitting to permit insertion and removal of measuring probes - uses insertion guides to operate stopcock to allow probe insertion into pressurised vessel without interrupting continual process
07/14/1993EP0551088A1 Peristaltic pumping apparatus having an improved misloaded IV tube detecting circuit
07/14/1993CN1021598C Assembly pressure measurer
07/13/1993US5226315 Device for surveillance of a gas-filled chamber to monitor leaks
07/07/1993CA2086457A1 Peristaltic pumping apparatus having an improved misloaded iv tube detecting circuit
06/1993
06/30/1993EP0549229A2 Capacitance pressure transducer
06/30/1993CN2137354Y Hand needle-type pressure gauge
06/23/1993EP0548043A2 Pressure sensor
06/22/1993US5220838 Overpressure-protected, differential pressure sensor and method of making the same
06/22/1993US5220837 Differential pressure transducer assembly
06/22/1993CA1319268C Multiple diaphragm probe seal
06/22/1993CA1319267C Transmitter with internal serial bus
06/16/1993CN2136467Y Antifreezing fast mounting-and-dismounting device for pressure meter
06/15/1993US5218834 Storage container for recovered refrigerant
06/10/1993WO1993011414A1 Amplified pressure transducer
06/09/1993EP0427794B1 Device for measuring mechanical deformation
05/1993
05/27/1993WO1993010329A1 Subsea well pressure monitor
05/19/1993CN2133833Y Instrument for measuring oil pressure and water temp. with adjustable switch
05/12/1993EP0362364B1 Electronic transducer and assembling method
05/11/1993US5209554 Slip-controlled brake system, especially for use with automotive vehicles
05/11/1993US5209258 Apparatus and method for minimizing pulsation-induced errors in differential pressure flow measuring devices
05/05/1993EP0540407A2 Device for measuring parameters, in particular parameters relating to the wheels of aeroplanes or vehicles
05/05/1993EP0539458A1 Device for detecting a variation in a pressure being monitored
05/04/1993US5207227 Multiprobes with thermal diffusion flow monitor
04/1993
04/27/1993CA1316700C Floating diaphragm apparatus
04/22/1993DE4227893A1 Differential pressure sensor e.g. for vehicle fuel tank - contains two semiconducting membranes with sensor elements on upper sides in common reference chamber, lower sides exposed to different pressures
04/21/1993CN2130263Y Fluid pressure sensitive safety medium tube jiont
04/15/1993DE4133434A1 Monitoring, measuring, recording, controlling and displaying pressure during e.g. asbestos product removal - using enclosed, tamper-proof central measurement and control station connected to sensors at measurement points
04/14/1993CN1070993A Interchangeable process connection resistant to installation errors
04/13/1993US5201830 System for controlling ambient pressure within an enclosed environment
04/08/1993DE4132690A1 Valve and measurement coupling for high press. fluid systems - has coupling bush with spring-loaded non-return valve and sealing systems
04/06/1993US5199302 In a submarine
04/06/1993US5199297 Thin walled can temperature and pressure monitoring device and method
04/01/1993WO1993006437A1 Process variable measuring and display device
04/01/1993DE4231325A1 Encapsulated semiconductor pressure sensor conductor and support arrangement - includes arms sloping downwards, bonded to chip base, permitting high level electrical connections
04/01/1993CA2119910A1 Process variable measuring and display device
03/1993
03/31/1993EP0533919A1 Device for protecting pressure detectors from aggressive measuring media.
03/23/1993US5196694 Temperature compensated self-referenced fiber optic microbend pressure transducer
03/23/1993US5195376 Fluid pressure differential monitor
03/18/1993WO1993005329A1 Interchangeable process connection resistant to installation errors
03/16/1993US5193387 Tire-interior monitoring apparatus
03/09/1993US5191799 Measured value receiver for vacuum measurement
03/09/1993US5191797 Miniature electronic pressure gauge
03/02/1993US5191317 Low air warning system for scuba divers
03/02/1993US5189979 Fluid pressure indicator
03/02/1993US5189777 Method of producing micromachined differential pressure transducers
02/1993
02/24/1993EP0528692A2 Transducer for measuring downhole pressure