| Patents for G01L 27 - Testing or calibrating of apparatus for measuring fluid pressure (2,533) |
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| 09/25/1996 | EP0623210B1 A testing apparatus for pressure gauges |
| 09/06/1996 | WO1996027124A1 Pressure transmitter with remote seal diaphragm and correction circuit therefor |
| 09/04/1996 | CN2234613Y Automatic checking instrument for hemomanometer |
| 08/20/1996 | US5546795 Method and apparatus for diagnosis of trouble in supercharging pressure sensor |
| 07/23/1996 | US5537869 Integrated multichannel pressure measuring system and corresponding measuring process |
| 07/18/1996 | DE19541900A1 Whole body plethysmograph with manometer calibration |
| 07/10/1996 | CN2230924Y Integrated digital pressure and pressure difference meter checking instrument |
| 07/03/1996 | EP0719448A1 Fiberoptic pressure sensor having drift correcting means for in situ calibration |
| 06/18/1996 | US5528214 Pressure-adjusting device for adjusting output of integrated pressure sensor |
| 05/15/1996 | DE19524377A1 Test pump for producing pressure for testing pressure measuring units |
| 05/14/1996 | US5515711 Pressure measurement and calibration apparatus using gravity-induced diaphragm deflection |
| 05/09/1996 | DE4439606A1 Testing and demonstrating of immersion computers inside pressure vessel |
| 04/10/1996 | CN2224413Y Gas-pressure defining device |
| 01/31/1996 | EP0694774A1 Apparatus and method for the calibration of a pressure responsive device |
| 01/31/1996 | CN2218927Y Testing table for gas pressure part |
| 01/23/1996 | US5485741 Vacuum calibration method for an optical fiber pressure transducer |
| 01/17/1996 | CN2217795Y Oxygen-pressure meter convenient for detecting |
| 12/05/1995 | US5473152 Code symbol for marking plastic bottles |
| 11/23/1995 | DE4445534C1 Obtaining calibration value for piezoelectric vacuum pressure meter |
| 10/31/1995 | US5461901 Testing apparatus for pressure gauges implementing pneumatic feedback to control stepless regulating valve |
| 10/24/1995 | US5461584 Semiconductor sensor device |
| 09/13/1995 | CN2207574Y Pressure changing conveyer check gauge |
| 08/22/1995 | CA2046404C Apparatus for rezeroing an in vivo pressure sensor and method for rezeroing |
| 08/01/1995 | US5437284 System and method for in vivo calibration of a sensor |
| 07/06/1995 | WO1995017846A1 System and method for in vivo calibration of a sensor |
| 07/06/1995 | CA2180151A1 System and method for in vivo calibration of a sensor |
| 06/06/1995 | US5422478 Fiberoptic pressure sensor having drift correction means for insitu calibration |
| 06/06/1995 | US5421956 Method of fabricating an integrated pressure sensor |
| 05/30/1995 | US5419182 Pressure difference detector, a method for judging an abnormality of the detector, and a fuel vapor emission preventing employing the detector |
| 04/18/1995 | US5407501 Method of manufacture of pressure sensor having a laminated substrate |
| 04/04/1995 | US5402666 Method and apparatus for precise measurement of differential pressures |
| 03/23/1995 | WO1995008183A1 Fiberoptic pressure sensor having drift correcting means for in situ calibration |
| 03/15/1995 | EP0642658A1 Pressure transducer |
| 02/22/1995 | EP0383827B1 Transmitter with internal serial bus |
| 02/08/1995 | EP0456811B1 Multi-variable sensor calibration |
| 02/01/1995 | CN2188758Y Electric control self-adjusting check table for pressure gage |
| 01/18/1995 | EP0634185A2 Digital dual pressure guage |
| 01/18/1995 | CN2187786Y Multiplex standard pressure signal generator |
| 11/22/1994 | US5365768 Sensor |
| 11/09/1994 | EP0623210A1 A testing apparatus for pressure gauges. |
| 11/01/1994 | US5361218 Self-calibrating sensor |
| 09/21/1994 | CN2177939Y Membrane oil-water separator |
| 09/14/1994 | CN2177235Y Calibrating instrument of automatic metre |
| 09/07/1994 | CN2176542Y Self adjusting piezometer with standard floating ball |
| 09/06/1994 | US5345400 Method of calibrating mechanical pressure gauges |
| 08/24/1994 | CN2175419Y Desk like precision meter for measuring liquid pressure with luminous means |
| 07/27/1994 | CN2172866Y Intelligent testing and calibrating apparatus for general instruments |
| 07/26/1994 | US5331838 Dead weight piston drive and control system |
| 07/19/1994 | US5329818 Correction of a pressure indication in a pressure transducer due to variations of an environmental condition |
| 07/13/1994 | CN2171852Y Checking device for breakout pressure meter |
| 06/28/1994 | US5324181 Precisely adjustable pneumatic calibration pump |
| 06/14/1994 | US5319965 Multiple channel pressure recorder |
| 06/14/1994 | US5319957 Method and apparatus for testing containers |
| 06/08/1994 | CN1024947C Oil pump used for doublemeter pressure checker |
| 06/07/1994 | US5317902 Method and apparatus for testing containers |
| 05/11/1994 | DE4237806A1 Gas pressure measurement and simulation arrangement - achieves optimal time characteristic selecting control type using manually or automatically defined gas press. and dynamically varied test press. |
| 05/10/1994 | US5311452 Plasma processing apparatus using capacitance manometer and pressure control method thereof |
| 05/03/1994 | US5307683 Transient temperature compensation for pressure gauges |
| 04/26/1994 | US5305642 Portable high precision pressure transducer system |
| 03/22/1994 | US5296817 Ionization gauge and method of using and calibrating same |
| 03/16/1994 | CN1083924A Multi-channel standard pressure signal generator |
| 02/17/1994 | WO1994003787A1 Transient temperature compensation for pressure gauges |
| 02/15/1994 | US5285690 Pressure sensor having a laminated substrate |
| 02/03/1994 | WO1993024818A3 Correction for a pressure transducer |
| 01/26/1994 | EP0580462A1 Process and device for the correction of thermal errors in the acquisition of electric parameters |
| 01/25/1994 | US5280718 Transducer health and offset calibration processing system |
| 01/12/1994 | EP0578252A2 Semiconductor sensor device |
| 01/04/1994 | US5275036 Relief valve testing apparatus |
| 01/04/1994 | US5275035 Autocalibrating trip controller with dual adjustable trip points |
| 12/23/1993 | DE4220083A1 Reference force or pressure generator for calibration of meters - has pressure transmitting opening above liquid which surrounds heater-cooler, which acts as setting element of control loop, to enable use of dependency of vapour pressure of liquid on temp.. |
| 12/15/1993 | CN2149620Y Calibrating apparatus for gas pressure gauge |
| 12/14/1993 | US5269311 Method for compensating errors in a pressure transducer |
| 12/09/1993 | WO1993024818A2 Correction for a pressure transducer |
| 12/09/1993 | CA2133732A1 Correction for a pressure transducer |
| 12/08/1993 | CN2148956Y Performance tester for pneumatic meter |
| 12/08/1993 | CN1079298A Correction for a pressure transducer |
| 11/18/1993 | EP0569608A1 Monitoring procedure for combustion engine cylinder pressure sensors |
| 11/10/1993 | CN1078307A Mercury-free calibration apparatus for sphygmomanometer |
| 11/09/1993 | US5259235 Pressure standard |
| 11/02/1993 | US5257630 Pressure sensing probe with calibration capability |
| 10/28/1993 | WO1993021652A1 Drift correction for fiberoptic pressure sensors |
| 10/19/1993 | US5255209 Method for determining the combustion chamber pressure in a cylinder of an internal-combustion engine with a pressure sensor |
| 09/21/1993 | US5247171 Drift correction for fiberoptic pressure sensors |
| 08/04/1993 | EP0553725A2 Apparatus and method of manufacture of pressure sensor having a laminated substrate |
| 08/04/1993 | CN2139697Y Pressure meter parity checker with speed oil-filled device |
| 06/30/1993 | CN2137355Y Vacuometer with two pistons capable of being regulated independently |
| 06/22/1993 | CA1319267C Transmitter with internal serial bus |
| 06/16/1993 | CN2136009Y Combined bellows pressurizer for non-mercury tester of sphygmomanometer |
| 05/27/1993 | DE4239132A1 Integrated pressure sensor prodn. - comprising forming diaphragm on silicon wafer, connecting to socket, semi-cutting socket, adjusting resistance, and completely cutting wafer |
| 04/29/1993 | WO1993008454A1 A testing apparatus for pressure gauges |
| 04/21/1993 | EP0537770A2 Ionization gauge and method of using and calibrating same |
| 04/20/1993 | US5204623 Apparatus for evaluation of capacitive type pressure transducers using helmholtz coils |
| 04/20/1993 | US5203340 Apparatus for rezeroing an in vivo pressure sensor and method for rezeroing |
| 03/31/1993 | EP0533831A1 Apparatus for testing leak detectors |
| 02/03/1993 | CN1068650A Method and apparatus for testing containers |
| 01/21/1993 | DE4124191A1 Physical parameter, e.g. pressure, sensor system with quasi-digital calibration - uses analogue components to calibrate computer which corrects measured parameters |
| 01/19/1993 | US5179856 Pressure gauge |
| 01/13/1993 | EP0522254A1 Method and apparatus for testing of containers |
| 01/09/1993 | CA2070298A1 Method and apparatus for testing containers |
| 01/07/1993 | EP0521694A1 Relief valve testing apparatus |