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)
10/1989
10/25/1989EP0338180A1 An electrical force and/or deformation sensor, particularly for use as a pressure sensor
10/25/1989EP0338101A1 Connector for recording apparatus
10/24/1989US4875369 Pressure sensor system
10/24/1989US4875368 Pressure sensor system
10/19/1989WO1989009929A1 Pressure transducer and associated electronics and assembling method
10/18/1989EP0337540A1 Combination of a support and a semiconductor body and method of manufacturing such a combination
10/18/1989EP0337380A2 Semiconductor pressure sensor
10/17/1989US4875135 Pressure sensor
10/17/1989US4875134 Pressure sensor construction and method for its fabrication
10/17/1989US4873990 Circumferential pressure probe
10/17/1989US4873871 Mechanical field effect transistor sensor
10/17/1989US4873870 Micro displacement force transducer
10/11/1989EP0336437A2 Pressure sensing transducer employing piezoresistive elements on sapphire
10/10/1989US4873490 Circuit arrangement for generating an output signal that is nonlinearly dependent on the temperature
10/10/1989US4872945 Post seal etching of transducer diaphragm
10/10/1989US4872349 Microcomputerized force transducer
10/10/1989US4872335 Vibrating type transducer
10/05/1989WO1989009385A1 Manometric or dynamometric device
10/05/1989WO1989009384A1 Pressure transducer for determining the pressure in the combustion chamber of an internal combustion engine
10/05/1989WO1989009324A1 Reciprocating piston internal combustion engine with means for controlling the output
10/05/1989DE3909274A1 Pressure or force measuring device
10/04/1989EP0335793A1 Semiconductor pressure transducer
10/04/1989EP0335385A2 Method of and apparatus for detecting an occlusion of liquid transfusion tube
10/04/1989CN1036076A 差压传感器 Differential Pressure Sensor
10/03/1989US4870863 Modular switch device
09/1989
09/28/1989DE3808605A1 Pressure pick-up
09/27/1989EP0334611A2 Pressure transmitter assembly
09/27/1989EP0333834A1 Modular switch device
09/27/1989EP0333714A1 Pressure sensor system
09/26/1989US4870536 Micro displacement force transducer
09/26/1989CA1260729A1 Sensor array
09/26/1989CA1260085A1 Variable gap device and method of manufacture
09/20/1989EP0333091A2 Transducer for picking-up pressures, vibrations and/or accelerations and converting them into electrical signals
09/19/1989US4868411 Signal conversion circuit
09/19/1989US4866989 Pressure transducer with a sealed sensor
09/19/1989US4866988 Capacitive pressure transducer
09/12/1989US4866607 Self-contained downhole gauge system
09/08/1989WO1989008336A1 Plate-mode ultrasonic sensor
09/08/1989WO1989008244A1 Protected pressure sensor
09/08/1989WO1989008243A1 Manometer
09/07/1989DE3805815A1 Housing for a pressure sensor indicator device, especially for measuring air-bottle pressure in diving gear
09/05/1989US4864463 Capacitive pressure sensor
09/05/1989US4864271 Pressure sensor
08/1989
08/30/1989EP0330385A2 Pressure gauge with oscillating means
08/30/1989EP0330011A2 Encapsulated blood pressure transducer
08/29/1989US4862489 X-radiator
08/29/1989US4862317 Capacitive pressure transducer
08/29/1989US4862088 Remote locating of a structure and remote measurement of conditions therein
08/22/1989US4860232 Digital technique for precise measurement of variable capacitance
08/22/1989US4858471 Pressure transducer
08/10/1989WO1989007248A1 A sensor and transducer apparatus
08/09/1989EP0327524A2 Differential pressure sensing apparatus
08/03/1989DE3802412A1 Optical linear reflex transmitter as a sensor for small distances (paths)
08/01/1989US4853669 Sealed cavity semiconductor pressure transducers and method of producing the same
08/01/1989US4852581 Pressure transducer with conductive polymer bridge
08/01/1989US4852408 Stop for integrated circuit diaphragm
07/1989
07/27/1989WO1989006512A1 Hydrophonic probe
07/27/1989DE3842544A1 Sensor, especially pressure sensor, which can be inserted in a catheter
07/27/1989DE3801118A1 Electro-hydraulic device for continuous monitoring of the pressure in a motor vehicle hydraulic brake system
07/25/1989US4850228 Pressure meter
07/25/1989US4850227 Pressure sensor and method of fabrication thereof
07/25/1989US4850222 Sensor unit
07/19/1989EP0323963A1 Flangeless transmitter coupling to a flange adapter union.
07/19/1989CN1034060A Dual sided pressure sensor
07/18/1989US4849946 Piezo-electric transducer comprising several coaxial sensitive elements
07/18/1989US4849374 Method of sealing an electrical feedthrough in a semiconductor device
07/18/1989US4849071 Method of forming a sealed diaphragm on a substrate
07/18/1989US4849070 Process for fabricating three-dimensional, free-standing microstructures
07/18/1989US4849050 Method of producing a diaphragm on a substrate
07/18/1989US4848643 Compression, heating, alloying chromium, silver, and indium/
07/12/1989CN2041039U Capacitive distance-reading manometer
07/12/1989CN1033878A High performance glass to metal solder joint
07/11/1989US4846191 Device for chronic measurement of internal body pressure
07/04/1989US4843887 Method and device for measuring pressures in tubular bodies
07/04/1989US4843886 Pressure measuring device
06/1989
06/29/1989WO1989006045A1 Polysilicon thin film process and product
06/29/1989WO1989005963A1 Silicon-based mass airflow sensor
06/29/1989WO1989005664A1 Medical devices fabricated from homopolymers and copolymers having recurring carbonate units
06/28/1989EP0322122A2 Pressure sensor
06/27/1989US4843454 Semiconductor pressure transducer
06/27/1989US4842957 Pressure sensor element
06/27/1989US4842685 Surrounding with pressure transfer medium
06/27/1989US4841777 Pressure transmitter assembly
06/27/1989US4841776 Differential pressure transmitter
06/27/1989US4841775 Vibratory transducer
06/21/1989EP0321376A2 Apparatus for controlling start up and stop down of a hydraulic pump
06/21/1989EP0321225A2 Pressure transducer with conductive polymer bridge
06/21/1989EP0321097A2 Pressure sensors
06/21/1989CN1033481A Pressure transducer using think film resistor
06/20/1989US4840067 Semiconductor pressure sensor with method diaphragm
06/20/1989CA1256209A1 Self-contained downhole guage system
06/14/1989EP0320387A1 Transducer for measuring high pressures from a great distance
06/14/1989EP0320299A2 Pressure transducers and a method of measuring pressure
06/14/1989EP0320039A1 Apparatus for measuring differential pressure while drilling
06/14/1989EP0319826A2 Movement sensor to be employed as pressure or fluid level gauge
06/13/1989US4839708 Electromechanical semiconductor transducer
06/13/1989US4838089 Semiconductor pressure sensor
06/13/1989US4838088 Pressure transducer and method for fabricating same
06/06/1989US4836028 Pressure transducer
06/06/1989US4836019 Compact air data sensor
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