| 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) |
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| 10/16/1984 | US4476725 Differential pressure gauge |
| 10/16/1984 | CA1176072A1 Thin shell pressure sensor |
| 10/09/1984 | US4475402 Pressure sensing apparatus |
| 10/03/1984 | EP0120137A1 Transducer for measuring the systolic blood pressure of laboratory animals |
| 10/02/1984 | CA1175254A1 Linear capacitive sensor system |
| 09/27/1984 | WO1984003767A1 Capacitive pressure sensor |
| 09/25/1984 | US4473747 Semiconductor structure for a fiber optical pressure sensing element |
| 09/19/1984 | EP0119117A1 Electro-optical device for detecting and measuring deformations |
| 09/19/1984 | EP0118605A2 Feedback circuit for a semiconductor active element sensor |
| 09/18/1984 | US4471660 Process control instrument using a pneumatically driven resonant element |
| 09/18/1984 | CA1174484A1 Absolute pressure sensor |
| 09/11/1984 | US4470313 Mechanically excited resonant-element sensor |
| 09/11/1984 | CA1174323A1 Method and apparatus for leak detection in vessels |
| 09/11/1984 | CA1174077A1 Pressure transmitter employing non-linear temperature compensation |
| 09/04/1984 | CA1173959A1 Pressure measuring systems with increased accuracy for a constant resolution |
| 08/29/1984 | EP0117230A1 Sensor for measuring the concentration of oxygen in gas |
| 08/29/1984 | EP0116641A1 Temperature compensation for diffused semiconductor strain devices |
| 08/28/1984 | US4467656 Transducer apparatus employing convoluted semiconductor diaphragms |
| 08/28/1984 | US4467655 Quad-gate demodulator circuit for capacitive transducers |
| 08/21/1984 | US4467394 Three plate silicon-glass-silicon capacitive pressure transducer |
| 08/21/1984 | US4466290 Apparatus for conveying fluid pressures to a differential pressure transducer |
| 08/21/1984 | US4466289 Capacitance manometer with digital output |
| 08/15/1984 | EP0115593A2 Photo transducer circuit |
| 08/15/1984 | EP0115587A1 Sample volume metering apparatus |
| 08/15/1984 | EP0115548A1 Measurement sensor for instalment in a catheter, particularly a pressure sensor |
| 08/14/1984 | US4465075 On-chip pressure transducer and temperature compensation circuit therefor |
| 08/14/1984 | US4464936 Monitoring apparatus for pressure sensitive devices |
| 08/14/1984 | CA1172702A1 Process and apparatus for the real time adaptive filtering of catheter pressure measurements |
| 08/08/1984 | EP0115074A2 Differential pressure measuring device |
| 08/01/1984 | EP0114239A2 Measuring capsule for a capacitive pressure difference transducer |
| 08/01/1984 | EP0114177A2 Capacitive pressure transducer |
| 07/31/1984 | US4463336 Ultra-thin microelectronic pressure sensors |
| 07/31/1984 | US4463274 Temperature compensation circuit for pressure sensor |
| 07/31/1984 | US4462259 For altering an electrical parameter in response to differential pressure |
| 07/25/1984 | EP0113757A1 Disposable physiological pressure sensing system |
| 07/24/1984 | US4462018 Semiconductor strain gauge with integral compensation resistors |
| 07/24/1984 | US4461181 Control for sample volume metering apparatus |
| 07/17/1984 | US4459856 CMOS Bridge for capacitive pressure transducers |
| 07/17/1984 | US4459855 Semiconductor pressure sensor |
| 07/17/1984 | US4459850 Apparatus for picking-up and analyzing emitted accoustic and ultrasonic signals in hollow bodies |
| 07/10/1984 | US4458537 High accuracy differential pressure capacitive transducer |
| 07/03/1984 | US4458292 Multiple capacitor transducer |
| 07/03/1984 | US4457179 Differential pressure measuring system |
| 07/03/1984 | CA1170072A1 Strain gauge pressure transducer |
| 06/27/1984 | EP0111640A2 Pressure sensor with semi-conductor diaphragm |
| 06/26/1984 | US4456901 Semiconductor pressure tranducer |
| 06/26/1984 | US4456013 Catheter |
| 06/26/1984 | US4455875 Pressure measurement sonde |
| 06/26/1984 | US4455874 For providing an electrical signal |
| 06/26/1984 | CA1169675A1 Capacitance manometer differential pressure sensor |
| 06/20/1984 | EP0111348A2 Capacitive differential-pressure transducer |
| 06/19/1984 | US4454765 Extended range pressure transducers |
| 06/13/1984 | EP0110772A1 Soldering and sealing process for assembling transducers |
| 06/13/1984 | EP0109992A1 Semiconductor pressure transducer |
| 06/12/1984 | US4454440 Surface acoustic wave (SAW) pressure sensor structure |
| 06/12/1984 | US4453412 Pressure sensor |
| 06/12/1984 | US4453401 Pressure sensor and soil stress isolation filter arrangement in a pore pressure probe |
| 06/12/1984 | CA1168888A1 Digital readout pressure measuring apparatus |
| 06/12/1984 | CA1168887A1 Pressure transducer |
| 06/05/1984 | US4452202 Vacuum pressure transducer |
| 06/05/1984 | US4452069 Method of and apparatus for sensing knocking in internal combustion engine |
| 06/05/1984 | CA1168755A1 Differential pressure transducer |
| 05/29/1984 | US4450721 Apparatus for indicating quantity of liquified gas contained in a storage container |
| 05/22/1984 | US4449409 Pressure measurement system with a constant settlement time |
| 05/17/1984 | DE3242297A1 Pressure transducer for machines and installations in mining |
| 05/15/1984 | US4449113 Oil pressure sender with friction free resistor device |
| 05/15/1984 | US4449112 Oil pressure sender with rolling diaphragm |
| 05/09/1984 | EP0107786A2 Sequential control device for a dual clutch |
| 05/08/1984 | US4446715 Transducer calibration system |
| 05/02/1984 | EP0107549A2 Surface-acoustic wave sensors for fluid pressure |
| 05/01/1984 | US4446527 High accuracy measuring apparatus |
| 05/01/1984 | US4446447 Circuit for converting pressure variation to frequency variation |
| 05/01/1984 | US4445385 Static pressure sensor with glass bonded strain gauge transducers |
| 05/01/1984 | US4445384 Piezoelectric pressure sensor |
| 05/01/1984 | US4445383 Multiple range capacitive pressure transducer |
| 05/01/1984 | CA1166715A1 Tire pressure sensing system |
| 04/25/1984 | EP0106050A1 Pressure transducer with temperature compensation circuit |
| 04/24/1984 | US4445108 Piezoresistive transducers employing the spreading resistance effect |
| 04/24/1984 | US4444056 Temperature compensated circuit |
| 04/24/1984 | US4444054 Temperature compensation for diffused semiconductor strain devices |
| 04/17/1984 | US4443730 Biological piezoelectric transducer device for the living body |
| 04/17/1984 | US4443293 Recesses, masking, semiconductors, patterns, etching |
| 04/17/1984 | US4442717 Compensation and normalization apparatus for shear piezoresistive gage sensors |
| 04/17/1984 | US4442716 Electronic scanning pressure measuring system and transducer package |
| 04/17/1984 | CA1165582A1 Variable reluctance pressure transducer |
| 04/10/1984 | US4442474 Capacitive pressure transducer |
| 04/04/1984 | EP0104575A2 Pressure sensing device, especially for industrial robots |
| 04/03/1984 | US4441044 Transducer with a piezoelectric sensor element |
| 04/03/1984 | US4440014 Knocking detection device |
| 04/03/1984 | CA1164955A1 Integral hermetic implantable pressure transducer |
| 03/28/1984 | EP0104148A2 Apparatus for obtaining electrical signals correlated with the position of a mass of mercury in instruments and the like |
| 03/27/1984 | US4439752 Semiconductor pressure transducer |
| 03/27/1984 | US4439705 Oscillating crystal transducer systems with symmetrical temperature compensator |
| 03/27/1984 | CA1164241A1 Capacitive pressure transducer assembly with improved output lead design |
| 03/27/1984 | CA1164240A1 Capacitive pressure transducer with isolated sensing diaphragm |
| 03/15/1984 | WO1984001026A1 Temperature compensation for diffused semiconductor strain devices |
| 03/13/1984 | US4437164 Ridge circuit compensation for environmental effects |
| 03/13/1984 | US4435986 Pressure transducer of the vibrating element type |
| 03/06/1984 | US4434665 For indicating the value of a physical quantity to be measured |
| 03/06/1984 | US4434664 Pressure ratio measurement system |