Patents
Patents for G01L 27 - Testing or calibrating of apparatus for measuring fluid pressure (2,533)
12/1992
12/15/1992US5170549 Process and arrangement for manufacturing a measurement device for measuring pressure or temperature
12/10/1992DE4218474A1 Fluid pressure test appts. with several pressure sensors - has sensors for different pressure ranges connected via overpressure protection valves to processing circuitry
12/08/1992US5168854 Method and apparatus for detecting failure of pressure sensor in internal combustion engine
11/1992
11/19/1992EP0513166A1 Preassembled air data sensor and transducer
11/19/1992EP0366651B1 Calibration system for blood pressure transducer
11/12/1992DE4131401C1 Monitoring pressure sensors for controlled or regulated pressure generator - detecting width of deviation of pressure signal from sensor under test and comparing with stipulated range related to control valves
11/11/1992EP0512794A2 Apparatus and method for in situ evaluation of capacitive type pressure transducers in a nuclear power plant
10/1992
10/27/1992US5159525 Pressure sensor
09/1992
09/29/1992CA1307986C Syringe pressure calibration reference
09/29/1992CA1307939C Method of adjusting bridge circuit of semiconductor
08/1992
08/05/1992EP0360810B1 Standardized pressure instrument
08/04/1992US5135002 Pressure transducer compensation system
07/1992
07/28/1992US5133358 Apparatus for rezeroing an in vivo pressure sensor and method for rezeroing
07/16/1992DE4100501A1 Detecting and identifying faults at sensors for state values - using association matrix giving optimal relationship between characteristic vectors and associated classification vectors
07/14/1992US5130707 Preassembled air data sensor and transducer
06/1992
06/30/1992CA1304454C Calibration system for blood pressure transducer
06/03/1992EP0488446A1 Pressure transducer with strain gauge for fitting on the end flange of a pipeline or of a casing and assembly unit implementing same
05/1992
05/30/1992CA2056593A1 Pressure transducer with strain gauge for fitting on the end flange of a pipeline or of a casing and assembly unit implementing same
05/27/1992CN2105684U Calibrater for balance type pressure gauge
05/26/1992US5116331 Pressure transducer and system for cryogenic environments
05/19/1992US5114664 Method for in situ evaluation of capacitive type pressure transducers in a nuclear power plant
04/1992
04/15/1992EP0480544A2 Method of fabrication and trimming of a pressure sensor
04/08/1992CN2101229U Portable multifunction checker for manometer and vacuumometer
04/01/1992CN1059965A Oil pump and pipe joint used for double-meter pressure checker
03/1992
03/18/1992EP0475686A1 Apparatus for rezeroing an in vivo pressure sensor and method for rezeroing
03/18/1992CN2099311U Fatigue tester for pressure instruments
03/03/1992US5092158 Apparatus for testing leak detectors
02/1992
02/27/1992DE4023725A1 Measured value signalisation system - with interruption or short-circuit of measuring lines at measuring device
02/19/1992CN2096752U Standard pneumatic signal precision pressure gage dial
01/1992
01/29/1992EP0468286A1 Method and apparatus for producing a pressure or temperature measuring device
12/1991
12/26/1991WO1991019967A1 Apparatus for testing leak detectors
12/25/1991CN2091454U Pressure gage measuring range adjusting mechanism
12/03/1991US5069072 Connector module for transducer
12/03/1991US5069062 Fluid dam and pressure tester apparatus and method of use
11/1991
11/27/1991CN2089628U Electric pressure corrector
11/19/1991US5067100 Method of calibrating mechanical pressure gauges
11/19/1991US5065611 System for calibrating the span of pressure measuring instruments
10/1991
10/15/1991US5056352 Method and apparatus for generating a precisely defined dynamic pressure pulse
09/1991
09/25/1991CN2085521U 便携式压力信号发生器 Portable pressure signal generator
09/24/1991US5051937 Low cost high precision sensor
09/24/1991US5050423 Multi-variable sensor calibration
09/03/1991US5044203 Pressure measurement device for fluids flowing in lines
08/1991
08/08/1991WO1991011789A1 Preassembled air data sensor and transducer
08/07/1991EP0439790A2 Pressure sensor for hydrostatic filling level measurement
07/1991
07/17/1991CN2081090U Liquid isolator
07/02/1991US5027641 Oscillometric non-invasive blood pressure simulator
06/1991
06/25/1991US5025654 Pressure standard device
06/13/1991WO1991008443A1 Multi-variable sensor calibration
05/1991
05/21/1991US5016466 Test apparatus and method for blood pressure measuring equipment
04/1991
04/09/1991US5006835 Remote calibrating for pressure transducer
04/03/1991CN2074452U Digital display pressure gage
03/1991
03/06/1991CN2072682U Pressure gauge parity checker joint device
02/1991
02/28/1991DE3927990A1 Correcting arterial blood pressure measurements - detecting dynamic characteristics or data of catheter measuring system in measuring process
02/21/1991DE4022697A1 Pressure or acceleration sensor esp. for vehicle engine control - has simple detector with signal processing, contg. sensor characteristic adjustment mechanism
01/1991
01/22/1991US4986127 Multi-functional sensor
01/01/1991US4982351 Low cost high precision sensor
12/1990
12/05/1990EP0400587A2 Pressure measuring device for fluids flowing in pipes
11/1990
11/28/1990EP0399069A1 Method to determine with a pressure sensor the combustion pressure in a cylinder of a combustion engine
09/1990
09/18/1990CA1274102A1 Self-zeroing pressure transmitter with automatic pressure manifold
08/1990
08/21/1990US4951236 Low cost high precision sensor
06/1990
06/27/1990CN2058752U Inspecting bench for plunger-type manometer
06/13/1990CN1042990A Portable manometer calibrator
05/1990
05/22/1990US4926674 Self-zeroing pressure signal generator
05/17/1990WO1990005289A1 Self-zeroing pressure signal generator
05/09/1990EP0367754A2 Method and device for obtaining a well-defined dynamic pressure pulse
05/09/1990EP0366651A1 Calibration system for blood pressure transducer.
05/09/1990CN2056998U Fast automatic connector for pressure calibrator
05/03/1990CA2001366A1 Self-zeroing pressure signal generator
04/1990
04/18/1990CN2056246U Piston-type low micromanometer
04/11/1990EP0362824A1 Catheter for pressure measurement
04/04/1990EP0360810A1 Standardized pressure instrument.
04/04/1990CN2055596U Hand boosting checker for pressure gauge
03/1990
03/20/1990US4909064 Impulse calibration of mechanical to electrical transducers
03/20/1990US4909063 Pressure calibration method and apparatus
02/1990
02/21/1990CN2053335U Standard pressure gauge for micropressure
02/20/1990US4901735 Pressure meter catheter with in-situ zero setting
01/1990
01/30/1990US4896525 Method for a self-monitoring transducer
01/24/1990CN2051735U Pressure gauge, oxygen gauge, checker
01/17/1990EP0233176B1 Sensor for measuring physical magnitudes and method for adjusting the sensor
12/1989
12/27/1989CN2050165U Pressure meter check instrument using water for agent
12/12/1989US4886070 Method of in vivo calibration of a pressure sensor
12/06/1989EP0110898B1 Transducer calibration system
11/1989
11/07/1989US4879669 Sensor signal processor
09/1989
09/12/1989US4866640 Temperature compensation for pressure gauge
08/1989
08/15/1989US4856317 Vacuum calibration system and method for fiberoptic pressure transducer
07/1989
07/27/1989DE3821186A1 Pressure transducer
07/25/1989US4850227 Pressure sensor and method of fabrication thereof
07/18/1989US4848096 Apparatus with method and means for diagnosing failure of a pressure sensor
07/12/1989CN1004769B Improved reference pressure devices for calibrating pressure-measuring instruments
07/04/1989US4845649 Sensor for measuring physical dimensions and process for balancing the sensor
06/1989
06/28/1989EP0322122A2 Pressure sensor
05/1989
05/24/1989EP0316763A1 Pressure calibration reference, e.g. for a syringe
05/24/1989CN2038236U Pressure vacuum meter parity checker
05/05/1989WO1989004089A1 Transmitter with internal serial bus
05/02/1989US4825685 Pressure transducer
04/1989
04/19/1989EP0312197A2 Pressure sensor and method of manufacturing the same
04/12/1989CN2035882U Correcting device for pressure gauge
04/04/1989US4818994 Transmitter with internal serial bus
03/1989
03/28/1989US4815313 Syringe pressure calibration reference
03/21/1989US4813265 Apparatus for providing calibrated gas pressure
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