Patents
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)
01/1992
01/29/1992CN2094815U Sensing type digital display multi-function pressure regulator
01/28/1992CA2088167A1 Fibre-optical pressure sensor
01/25/1992CA2047435A1 Pressure sensor and method for manufacturing it
01/24/1992CA2047562A1 Detector for over-pressure inside a pipe and a pump fitted with such a detector
01/23/1992DE4103705A1 Druckgeber zur druckerfassung im brennraum von brennkraftmaschinen Pressure transducer for sensing pressure in the combustion chamber of internal combustion engines
01/23/1992DE4022783A1 Pressure pick=up for IC engine combustion chamber - has piezoelectric hybrid circuit acting as sensor and electronic component carrier
01/23/1992DE4022782A1 Druckgeber zur druckerfassung im brennraum von brennkraftmaschinen Pressure transducer for sensing pressure in the combustion chamber of internal combustion engines
01/23/1992DE4022780A1 Druckgeber zur druckerfassung im brennraum von brennkraftmaschinen Pressure transducer for sensing pressure in the combustion chamber of internal combustion engines
01/23/1992DE4022779A1 Pressure pick=up for IC engine combustion chamber - has sensing elements in conical recess in hybrid circuit carrier acted upon by pressure transfer pin giving high pressure loading
01/23/1992DE4022742A1 Druckgeber zur druckerfassung im brennraum von brennkraftmaschinen Pressure transducer for sensing pressure in the combustion chamber of internal combustion engines
01/22/1992EP0467873A2 Mechanical flexure for motion amplification and transducer with same
01/22/1992EP0467811A1 Micro-pressure-sensor
01/22/1992EP0467677A2 Fluid isolated self-compensating absolute pressure sensor transducer
01/22/1992EP0466796A1 Resonant pressure sensor
01/22/1992EP0447457A4 Gel-filled blood pressure transducer
01/22/1992CN2094055U Vacuum in cans measuring and controlling apparatus
01/22/1992CN2094054U Electronic gas-pressure measuring indicating device
01/21/1992US5083234 Multilayer transducer with bonded contacts and method for implementation of bonding
01/21/1992US5083091 Charged balanced feedback measurement circuit
01/15/1992EP0466623A1 Fiber-optic pressure transducer with temperature compensation
01/15/1992EP0465673A1 Device for measuring acceleration and the like
01/15/1992EP0411058B1 Capacitive pressure sensor
01/15/1992CN2093392U High-frequency response piezo-electric film type pressure transducer
01/15/1992CN1057903A On-line analyzer for vapour pressure of gasoline
01/14/1992US5081437 Semiconductor pressure sensor
01/02/1992DE4018998A1 Faseroptischer drucksensor The fiber optic pressure sensor
01/01/1992CN2092092U Photoelectric pressure gage
12/1991
12/31/1991US5076147 Substrate and diaphragm joined to form chamber; silicon carbide coating; corrosion and abrasion resistant
12/26/1991WO1991019966A1 Pressure and heat flow sensor for the combustion chamber of internal combustion engines
12/26/1991WO1991019965A1 Fibre optic pressure sensor
12/24/1991US5074310 Method and apparatus for the measurement of intracranial pressure
12/24/1991US5074152 Piezoresistive transducer with low drift output voltage
12/24/1991US5074148 Resonance frequency liquid level sensor
12/19/1991DE4025664C1 Pressure pick-up esp. for processing chamber or burner - has connecting rod inside transmitting chamber between facing sides of measurement and transmitting diaphragms
12/18/1991EP0461459A1 Pressure transducer with ceramic pressure sensor of rotational symmetry
12/18/1991EP0169241B1 Method for forming hermetically sealed electrical feedthrough conductors
12/18/1991CN2090978U Electronic display for measuring oil pressure
12/18/1991CN1015133B Differential pressure sensor
12/18/1991CN1015132B Differential pressure transducer
12/12/1991WO1991019177A1 Micro-mechanical component and process for manufacturing it
12/12/1991DE4018092A1 Etching of pattern in or through glass layers - uses thin nickel layer directly on glass and photoresist on top of this to provide improved adhesion and etch resistance
12/11/1991EP0460357A2 Device for optical measurement of pressure differences
12/10/1991US5070736 Differential pressure sensor with read-out device
12/10/1991US5070735 Pressure sensor
12/10/1991US5070596 Integrated circuits including photo-optical devices and pressure transducers and method of fabrication
12/10/1991CA1293006C Adjustable range spring for differential pressure responsive devices
12/08/1991WO1991019310A1 Differential pressure transducer
12/04/1991CN1056747A Transducer for measuring pressure
12/03/1991US5069072 Connector module for transducer
11/1991
11/28/1991DE4116321A1 Assembly of sensor-chip on printed circuit board - obtd. by gluing chip to carrier material, attaching to PCB inside ring shaped barrier and filling by injection moulding
11/28/1991DE4016872A1 Durable, stable gauge for testing IC engine pressures - uses strain gauge linked to metal diaphragm which is subjected to pressure being measured
11/26/1991US5068635 Stress sensor having deformable ceramic hollow member
11/26/1991US5068203 Method for forming thin silicon membrane or beam
11/26/1991US5067491 Barrier coating on blood contacting devices
11/25/1991CA2042688A1 High pressure sensor
11/21/1991EP0456873A1 Capacitive pressure transducer
11/14/1991WO1991017416A1 Non-quartz resonating transducer
11/14/1991WO1991015742A3 Pressure sensing capacitor, and transducer
11/14/1991DE4014511A1 Pressure sensor mfg. method - compressing film arrangement contg. thick film resistor with plastic compression mass after preparation of sensor surface
11/13/1991EP0456029A1 Vibrating type pressure measuring device
11/13/1991EP0455715A1 Fiber optic intravascular blood pressure transducer
11/13/1991CN1014744B Split-seconds type silicon varistor pulsating flow rhysimeter probe
11/12/1991WO1991017701A1 Tubular pressure transducer
11/12/1991US5065129 Pressure sensor and method for calibrating pressure sensors
11/12/1991US5065010 Fiber optic measurement system having a reference conductor for controlling the energy level of the light source
11/12/1991US5064165 Semiconductor transducer or actuator utilizing corrugated supports
11/12/1991CA2080025A1 Tubular pressure transducer
11/08/1991WO1991017418A1 Piezoresistive pressure transducer
11/08/1991CA2082419A1 Piezoresistive pressure transducer
11/07/1991DE4013403A1 Vorrichtung zur erkennung der innendruckverhaeltnisse in flexiblen leitungen Device for detecting the innendruckverhaeltnisse in flexible cables
11/06/1991EP0455241A2 Optical pressure transducer
11/06/1991EP0455070A1 Capacitive sensor with frequency output
11/06/1991EP0454901A1 Force sensor
11/06/1991EP0454883A1 Capacitive sensor
11/06/1991CN2088247U Magnetic sensitive remote transmitting pressure gauge
11/05/1991US5062302 Laminated semiconductor sensor with overpressure protection
11/03/1991CA2041691A1 Optical pressure transducer
10/1991
10/31/1991WO1991016609A1 Device for detecting inner pressure conditions in flexible ducts
10/31/1991WO1991016608A1 Process for manufacturing mechanical micro-structures
10/30/1991EP0454544A1 Hydrostatic pressure transducer
10/30/1991EP0417171A4 A device for chronic measurement of internal body pressure
10/29/1991US5061847 Force/pressure detection device utilizing a monomode optical fiber
10/29/1991US5060526 Laminated semiconductor sensor with vibrating element
10/29/1991US5060520 Hermetic pressure sensor
10/23/1991EP0407397B1 Pressure transducer for determining the pressure in the combustion chamber of an internal combustion engine
10/22/1991US5060108 Packaging and sealing for pressure transducer
10/22/1991US5059556 Overcoating with silicide
10/22/1991US5058436 Strain-concentrating, membrane-type transducer
10/22/1991US5058435 Single diaphragm transducer with multiple sensing elements
10/17/1991WO1991015743A1 Differential pressure sensor and method of manufacturing the same
10/17/1991WO1991015742A2 Pressure sensing capacitor, and transducer
10/17/1991WO1991015741A1 Pressure sensor for determining the pressure in the combustion chamber of an internal-combustion engine
10/17/1991WO1991015740A1 Integrated sensor-transducer device and pressure sensor-transducer
10/17/1991DE4024780A1 Ceramic membrane pressure sensor - has central membrane zone with stiffening region enclosed by inner strain zone and strengthening zone leading to frame section
10/17/1991DE4011901A1 Capacitive pressure sensor with simultaneous temp. measurement - contains plates carrying electrodes, one carrying temp. dependent resistance path
10/17/1991DE4010734A1 Electronic blood pressure measuring equipment - with signal processing unit only operative when dynamic pressure changes are absent
10/16/1991EP0451992A2 Detection of vibrations of a microbeam through a shell
10/15/1991US5057458 Combination of a support and a semiconductor body and method of manufacturing such a combination
10/15/1991US5056369 Capacitive differential pressure detector
10/10/1991DE4011132A1 Druckgeber zur druckerfassung im brennraum von brennkraftmaschinen Pressure transducer for sensing pressure in the combustion chamber of internal combustion engines