Patents
Sitemap › G01 - Measuring; Testing › G01L - Measuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure › G01L 9 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
Patents for G01L 9 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means (16,396)
10/1991
10/09/1991EP0450933A1 Pressure sensor utilizing a magnetostriction effect
10/09/1991EP0450698A1 Sensor for measuring the pressure of a medium, in particular for measuring the changing pressure in a diesel injection pump
10/09/1991CN1055195A Antirust dry film lubricant
10/08/1991CA1290166C Optical pressure-sensing system
10/03/1991WO1991015004A1 Arrangement for detecting variations in atmospheric pressure
10/03/1991WO1991014929A1 Pressure sensor for the determination of the pressure in the combustion chamber of an internal-combustion engine
10/02/1991DE4009377A1 Druckgeber zur druckerfassung im brennraum von brennkraftmaschinen Pressure transducer for sensing pressure in the combustion chamber of internal combustion engines
10/02/1991CN1055060A Integrated multisensor and static and differential pressure transmitter and plant system using integrated multisensor
10/01/1991US5053692 Temperature dependent power supply for use with a bridge transducer
09/1991
09/25/1991EP0447545A1 Integral intracranial pressure monitor and drainage catheter assembly.
09/25/1991EP0447457A1 Gel-filled blood pressure transducer.
09/24/1991US5051937 Low cost high precision sensor
09/24/1991US5051729 Pressure responsive encoder
09/24/1991CA1289378C Pressure transducer
09/19/1991WO1991010347A3 Method for mounting a machine part comprising a sensitive element which defines, with a support, a variable capacitor
09/19/1991WO1991010120A3 Semiconductor cavity device with electric lead
09/19/1991WO1991010119A3 Semiconductor deep cavity device
09/19/1991DE4106728A1 Acousto=optical modulator for speech analysis - has line grating in front of ends of incoming and outgoing optical fibres
09/19/1991DE4008320A1 Pressure sensor with deformation detection resistors
09/19/1991DE4008156A1 Pressure sensor with plug-in housing contg. membrane - has elastically deformable mouths isolating membrane from mechanical stresses during mounting
09/18/1991EP0447255A2 Piezoelectric-type pressure sensor
09/17/1991US5050035 Capacitive pressure sensor and method of manufacturing same
09/17/1991US5050034 Pressure sensor and method of manufacturing same
09/17/1991US5049421 Using polyimide adhesive; curing
09/17/1991US5049232 Lamination, alignment, cutting
09/17/1991US5048181 Method for making thick film circuit housing assembly design
09/17/1991US5048165 Method for controlling the sensitivity and linearity of capacitive transducer systems
09/11/1991EP0445382A2 Pressure transducer and its manufacturing method
09/11/1991EP0445267A1 Device for processing sensor signals.
09/11/1991EP0311613B1 Pressure transducer with stress isolation for hard mounting
09/05/1991WO1991013470A1 Process for assembling micro-mechanical components by means of a thick-film technique
09/05/1991WO1991013327A1 Displacement detector, especially displacement to frequency transducer for measuring pressure
09/05/1991WO1991012767A1 Intracranial pressure monitoring system
09/04/1991EP0445000A1 Physical parameter sensor comprising a mechanical resonator
09/03/1991US5045829 Pressure sensor utilizing extension type conductive rubber
09/03/1991US5044203 Pressure measurement device for fluids flowing in lines
09/03/1991US5044202 Pressure transducer apparatus
08/1991
08/29/1991DE4006108A1 Verfahren zum aufbau von mikromechanischen bauelementen in dickschichttechnik A method for construction of micromechanical components in thick film technology
08/28/1991EP0443073A1 Pressure sensor utilizing extension type conductive rubber
08/28/1991CN1013712B Differential-pressure sensor
08/28/1991CN1013711B Piezomagnetic tester for directly indicating absolute stress of concrete
08/27/1991US5043841 High pressure transducer package
08/27/1991US5042308 Electrostatic capacitance type pressure detector
08/27/1991US5042307 Amplifying compensation circuit for semiconductor
08/27/1991CA1288172C Method for fabricating a silicon force transducer
08/22/1991WO1991012507A1 Integratable capacitative pressure sensor and process for its manufacture
08/21/1991CN2083290U Chattock gauge
08/20/1991US5041900 Semiconductor device having sealed electrical feedthrough
08/20/1991US5040420 Pressure responsive sending unit
08/14/1991EP0441549A1 Matched pair of sensor and amplifier circuits
08/14/1991EP0441324A1 Semiconductor sensor
08/14/1991EP0441157A2 Spark plug with pressure detector
08/14/1991DE4042336A1 Integrated capacitive press sensor device - has capacitive sensor and capacitive reference element formed side-by-side on common substrate
08/14/1991DE4042335A1 Integrated capacitive press sensor - uses switched capacitor capacitance measuring circuit including operational amplifier
08/14/1991DE4004275A1 Capacitive pressure or pressure difference sensor - has resilient membrane with applied conductive layer acting as one plate of variable capacitor
08/14/1991DE4004179A1 Integrierbarer, kapazitiver drucksensor und verfahren zum herstellen desselben Integrable capacitive pressure sensor and method for making same
08/08/1991WO1991011723A1 Device for measuring acceleration and the like
08/08/1991DE4003048A1 Diaphragm force or pressure transducer
08/08/1991DE4002910A1 Silicone oil- or gel-filled force measurement device - allows attitude change between rigid piston and housing for uniform pressure loading of strain-gauge diaphragm
08/07/1991EP0440320A1 Pumping system
08/07/1991EP0440012A1 Force measuring device
08/07/1991EP0440011A2 Force and/or measuring device
08/07/1991EP0439887A1 Improved fiber optic sensors
08/07/1991EP0439790A2 Pressure sensor for hydrostatic filling level measurement
08/06/1991US5038069 Cylinder pressure sensor for an internal combustion engine
08/06/1991US5037765 Method of fabricating integrated circuits including photo optical devices and pressure transducers
08/06/1991US5036715 Cantilevered force sensing assembly utilizing one or two resonating force sensing devices
08/03/1991CA2035133A1 Force or pressure measuring device
08/02/1991CA2035132A1 Force measuring device and method of manufacturing it
08/01/1991DE4002551A1 Piezo-pressure sensor for measurement of press variation - uses polyvinyl-fluoride elastic foil floating in fluid which transfers membrane pressure to foil
08/01/1991CA2035260A1 Universal pressure measurement interface
07/1991
07/31/1991EP0438429A1 Process and device for recognizing spark failures.
07/31/1991EP0362287A4 Modular transmitter
07/31/1991CN2081976U Digital manometric gun
07/31/1991CN1013407B Vibrating type transducer and manufacturing process thereof
07/30/1991USRE33651 Variable gap device and method of manufacture
07/30/1991US5036306 Pressure responsive potentiometer
07/30/1991US5035239 Powered respirators
07/30/1991US5035137 Tire pressure sensor for motor vehicles
07/25/1991WO1991010888A1 Flush-mounted pressure sensor
07/25/1991DE4001953A1 Pressure sensor esp. for industrial processing and large temp., range - has pressure-distance transducer and distance sensor and mounting tube operating distance ring
07/25/1991DE3943475C2 Capacitive pressure transducer with thermal bonded flexible diaphragm
07/24/1991CN1053294A Universal pressure measurement interface
07/24/1991CN1053293A Under well pressure parameter collecting unit
07/23/1991US5034848 Low pressure sensor
07/17/1991EP0436920A2 Pressure sensor
07/17/1991EP0436588A1 Low stress polysilicon microstructures.
07/17/1991CN1013224B Isolator apparatus
07/16/1991US5032026 Interferometric sensor and use thereof in an interferometric device
07/16/1991US5031462 Snap-fit construction low cost pressure sensing device
07/16/1991US5031461 Matched pair of sensor and amplifier circuits
07/16/1991US5031460 Deformation
07/11/1991WO1991010347A2 Method for mounting a machine part comprising a sensitive element which defines, with a support, a variable capacitor
07/11/1991WO1991010120A2 Semiconductor cavity device with electric lead
07/11/1991WO1991010119A2 Semiconductor deep cavity device
07/11/1991WO1991010114A1 Piezoelectric differential pressure vortex sensor
07/10/1991EP0436158A2 Solid state pressure sensor
07/10/1991CN2080664U High-steady pressure transducer
07/09/1991US5029479 Differential pressure transducers
07/09/1991US5029478 Fluid isolated self-compensating absolute pressure sensor transducer
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