| Patents for G01L 27 - Testing or calibrating of apparatus for measuring fluid pressure (2,533) |
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| 08/19/1999 | DE19831600C1 Pressure sensor groups intactness assessment method |
| 08/18/1999 | EP0936764A2 Method and apparatus for calibration of digital down converters in a signal processing system |
| 08/11/1999 | EP0934511A1 Fluid pressure sensing unit incorporating diaphragm deflection sensing array |
| 08/10/1999 | CA2259671A1 Method and apparatus for calibration of digital down converters in a signal processing system |
| 07/20/1999 | US5925824 Capacitive differential pressure detector |
| 07/13/1999 | US5922966 Air-pack type contact pressure measuring method |
| 07/08/1999 | WO1999034187A1 Method and device for monitoring the operation of a pressure sensor |
| 06/30/1999 | EP0925512A1 Method and circuit for monitoring the functioning of a sensor bridge |
| 06/30/1999 | CN2326950Y Comprehensive calibrator for pressure instrument |
| 06/29/1999 | US5916180 Calibrating pressure sensors |
| 06/23/1999 | CN2325768Y Instrument for testing performance of apparatus for utilizing LPG raffinate |
| 06/02/1999 | DE19752721A1 Manometer, e.g. for monitoring pressure of quick boiling pans. |
| 05/25/1999 | CA2090309C Transducer health and offset calibration processing system |
| 05/20/1999 | WO1999024804A1 A strain gauge strip and applications thereof |
| 05/11/1999 | US5902925 System and method for high accuracy calibration of a sensor for offset and sensitivity variation with temperature |
| 05/06/1999 | WO1999022139A1 Pressure calibration pump apparatus |
| 05/04/1999 | US5900530 Method for testing pressure sensors |
| 04/21/1999 | EP0909378A2 A system and method for high accuracy calibration of a sensor for offset and sensitivity variation with temperature |
| 04/07/1999 | EP0906559A1 Impulse line blockage detector systems and methods |
| 03/24/1999 | CN1212052A Pressure sensor diagnostics in process transmitter |
| 02/10/1999 | EP0737043A4 System and method for in vivo calibration of a sensor |
| 01/14/1999 | WO1999001777A1 Method and circuit for monitoring the functioning of a sensor bridge |
| 01/07/1999 | DE19728381A1 Verfahren und Schaltung zur Funktionsüberwachung einer Sensorbrücke Method and circuit for monitoring the operation of a sensor bridge |
| 12/10/1998 | WO1998040698A3 Hand held measurement instrument with touch screen display |
| 12/09/1998 | EP0882221A1 Pressure sensor diagnostics in a process transmitter |
| 12/03/1998 | DE19730991C1 Differential pressure sensor |
| 11/17/1998 | US5837881 Pressure gauge calibrating device |
| 11/17/1998 | US5836063 Method for producing capacitive ceramic absolute pressure sensors sorted in zero-point long-term stability defect classes |
| 09/24/1998 | WO1998041834A1 Differential pressure transmitter with highly accurate temperature compensation |
| 09/22/1998 | US5811690 Differential pressure transmitter with highly accurate temperature compensation |
| 09/17/1998 | WO1998040698A2 Hand held measurement instrument with touch screen display |
| 09/15/1998 | US5808204 Solving production downtime with parallel low pressure sensors |
| 09/15/1998 | US5808189 For measuring an intake manifold pressure of an internal combustion engine |
| 09/15/1998 | US5808176 For adjusting/replacing defective sensor used in semiconductor chambers |
| 09/15/1998 | US5808175 Solving production down time with parallel low pressure sensors |
| 09/08/1998 | US5805466 Electronic device |
| 09/08/1998 | US5804736 Differential capacitive transducer |
| 09/03/1998 | DE19648719A1 Testing manometric measuring |
| 08/27/1998 | WO1998037395A1 Method and device for measuring fluid pressure |
| 08/20/1998 | DE19705799A1 Pressure sensor testing or measuring device |
| 08/18/1998 | US5796008 Pressure gage device having a tube spring associated with a venting valve to adjust a preset |
| 08/11/1998 | US5793297 Self-monitoring pressure detection apparatus and method |
| 08/04/1998 | US5788642 In vivo rezero apparatus for a pressure transducer |
| 07/01/1998 | EP0642658B1 Pressure transducer |
| 06/18/1998 | WO1998026267A1 Method of determining a defective pressure sensor |
| 06/18/1998 | WO1998026266A1 Judgement method of acceptance/rejection of pressure sensor |
| 06/17/1998 | EP0835430A4 Gravity-induced diaphragm deflection for pressure measurement |
| 06/09/1998 | US5764654 Semiconductor integrated circuit device having a test circuit |
| 06/09/1998 | US5764541 Microprocessor controlled sensor signal conditioning circuit |
| 06/03/1998 | EP0845660A1 Device and method for calibrating a signal |
| 05/19/1998 | US5753820 Fluid pressure sensing unit incorporating diaphragm deflection sensing array |
| 05/07/1998 | WO1998019145A1 Fluid pressure sensing unit incorporating diaphragm deflection sensing array |
| 04/16/1998 | WO1998015809A1 Semiconductor sensor having diagnostic function and diagnostic method for semiconductor sensor |
| 04/15/1998 | EP0835430A1 Gravity-induced diaphragm deflection for pressure measurement |
| 03/25/1998 | EP0831313A1 Air pack type contact pressure measuring method |
| 03/25/1998 | CN1177398A Pressure transmitter with remote seal diaphragm and correction circuit therefor |
| 03/19/1998 | DE19637140A1 Unit for determining physical size inside sealed room |
| 02/19/1998 | WO1998002721A3 Calibration of a sensor with temperature variations |
| 02/11/1998 | CN1172949A Capacitive differential pressure detector |
| 02/03/1998 | US5714673 Method and apparatus for monitoring engine control sensors |
| 01/22/1998 | WO1998002721A2 Calibration of a sensor with temperature variations |
| 01/22/1998 | CA2259378A1 A system and method for high accuracy calibration of a sensor for offset and sensitivity variation with temperature |
| 12/31/1997 | CN2271710Y Hand pressure checker with booster |
| 12/24/1997 | WO1997048974A1 Impulse line blockage detector systems and methods |
| 12/18/1997 | DE19653213A1 Semiconductor acceleration sensor for motor vehicle airbag inflation |
| 12/17/1997 | EP0813047A2 Transducer having redundant pressure sensors |
| 12/17/1997 | EP0812414A1 Pressure transmitter with remote seal diaphragm and correction circuit therefor |
| 12/16/1997 | US5698780 Method and apparatus for detecting a malfunction in an intake pressure sensor of an engine |
| 12/11/1997 | CA2197897A1 Transducer having redundant pressure sensors |
| 12/02/1997 | US5693871 Method for calibrating low differential pressure transducers |
| 10/30/1997 | DE19710196A1 Device for analysing gas in vacuum tube, e.g. cathode ray tube, lamp or fluorescent display |
| 10/29/1997 | CN1163345A Fault diagnostic controller for pressure sensor |
| 10/21/1997 | US5680109 Impulse line blockage detector systems and methods |
| 10/14/1997 | US5677477 Hermetic pressure sensor test chamber |
| 10/02/1997 | WO1997036156A1 Air pack type contact pressure measuring method |
| 10/02/1997 | DE19712797A1 Disturbance diagnostic monitor for pressure sensor measuring suction pressure of IC engine |
| 09/30/1997 | US5672808 Transducer having redundant pressure sensors |
| 09/24/1997 | EP0797084A1 Method of manufacturing capacitive ceramic absolute pressure sensors classified in zero-point long-term stability groups |
| 09/16/1997 | US5668305 Method and apparatus for over pressure testing pressure sensitive devices on a wafer |
| 09/10/1997 | EP0794418A1 Bourdon pressure gauge device |
| 09/09/1997 | US5665899 Pressure sensor diagnostics in a process transmitter |
| 08/28/1997 | WO1997031252A1 Pressure sensor diagnostics in a process transmitter |
| 08/28/1997 | CA2246613A1 Pressure sensor diagnostics in a process transmitter |
| 07/16/1997 | EP0783645A1 Apparatus and method for use in testing gas pressure reduction equipment |
| 04/22/1997 | US5623101 Process to correct a differential pressure signal |
| 04/15/1997 | US5620005 Calibration apparatus for the pressure gauges of a whole-body plethysmograph |
| 03/30/1997 | CA2186770A1 Apparatus for measuring pressure |
| 03/18/1997 | CA2026852C Fluid dam and pressure tester apparatus and method of use |
| 03/05/1997 | EP0719448A4 Fiberoptic pressure sensor having drift correcting means for in situ calibration |
| 02/20/1997 | DE19531926A1 Correcting differential pressure signals obtained from measuring transducer |
| 02/13/1997 | WO1997005417A1 Apparatus and method for use in testing gas pressure reduction equipment |
| 02/13/1997 | CA2317965A1 Apparatus and method for use in testing gas pressure reduction equipment |
| 01/16/1997 | WO1997001747A1 Gravity-induced diaphragm deflection for pressure measurement |
| 01/15/1997 | CN2245216Y Computer controlled pressure gage detector for car |
| 01/07/1997 | US5591917 Semiconductor pressure sensor with rated pressure specified for desired error of linearity |
| 01/02/1997 | DE19523652A1 Pressure sensor adjustment method esp. for door lock and close system in vehicle |
| 12/27/1996 | EP0749721A1 In vivo rezero apparatus for a pressure transducer |
| 12/20/1996 | CA2176429A1 In vivo rezero apparatus for a pressure transducer |
| 11/12/1996 | US5574645 Manifold absolute pressure sensor emulator |
| 10/16/1996 | EP0737043A1 System and method for in vivo calibration of a sensor |