Patents
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)
08/1992
08/18/1992US5138885 Piezoelectric-type pressure sensor
08/13/1992DE4203832A1 Semiconductor pressure sensor in plastic moulded package - can be made with a lower strain level due to thermal expansion coefficient mismatch by careful optimisation of some dimensions
08/13/1992DE4101147A1 System for measuring smallest pressure differences for pref. mobile application - using inclined tube manometer with its reservoir and manometer tube connected to measurement object for supplying pressure across separate measuring line
08/11/1992US5138414 Pressure sensitive semiconductor device with cantilevers
08/11/1992US5138155 Pressure gauge with fiber optic sensor
08/11/1992US5136885 Quartz crystal pressure sensor
08/06/1992WO1992013260A1 Pressure sensor for gases and liquids
08/05/1992EP0497534A2 Piezoresistive pressure transducer with a conductive elastomeric seal
08/05/1992EP0496890A1 Pressure sensor
08/05/1992EP0357717B1 Manometer
08/05/1992EP0356482A4 A sensor and transducer apparatus
08/04/1992US5136607 Sensor for detecting a physical magnitude comprising a mechanical resonator
08/04/1992US5134889 Mechanical transducer
08/04/1992US5134888 Electrical devices for measuring hydraulic pressure
08/04/1992US5134887 Pressure sensors
08/04/1992US5134886 Capacitive pressure transducer for use in respirator apparatus
08/04/1992US5134885 Circuit arrangement for measuring a mechanical deformation, in particular under the influence of a pressure
07/1992
07/29/1992EP0496032A2 Method of making strain gauged diaphragm-type pressure transducers
07/29/1992EP0495935A1 Pressure sensor for determination of the pressure in a combustion chamber of an internal-combustion engine.
07/28/1992US5133215 Pressure transmitter assembly having sensor isolation mounting
07/23/1992WO1992012408A1 Pressure sensor
07/23/1992DE4101554A1 Drucksensor fuer gase und fluessigkeiten Pressure sensor for gases and liquids
07/23/1992DE4041067A1 Electrical or electronic display instrument esp. diving computer - has inner chamber divided by small PCB and housing pressure sensor and LCD visible through transparent wall of moulded mass
07/22/1992EP0494926A1 Capacitive pressure transducer system.
07/22/1992CN1062973A Secondary prepressing-type pressure-measuring instrument
07/21/1992US5132658 Micromachined silicon potentiometer responsive to pressure
07/21/1992US5131400 Pulse wave detecting apparatus
07/15/1992EP0494279A1 Pressure sensor for determination of the pressure in a combustion chamber of an internal-combustion engine
07/15/1992CN2110218U Bitumen special pressure intensity meter
07/15/1992CN1062788A Electronic control circuit of electric contact pressure gauge
07/14/1992US5129712 Method of and an apparatus for regulating an electrically regulated brake circuit of a multi-circuit brake mechanism
07/14/1992US5129262 Plate-mode ultrasonic sensor
07/14/1992CA1304957C Dual bourdon tube type sensing pressure transducer
07/08/1992EP0493898A1 System for detecting changes in temperature and pressure
07/08/1992EP0493546A1 Pressure sensor for determination of the pressure in the combustion space of an internal-combustion engine.
07/08/1992EP0493541A1 Pressure sensor for determination of the pressure in a combustion chamber of an internal-combustion engine
07/08/1992EP0493512A1 Device for measuring mechanical forces and their dynamic effects.
07/08/1992EP0493397A1 Pressure transmitter with flame isolating plug.
07/08/1992EP0393141B1 Silicon-based mass airflow sensor
07/07/1992US5128537 Device for optically measuring a pressure differential
07/07/1992US5127269 Optical pressure transducer
07/05/1992CA2055790A1 System for accurately detecting changes in temperature and pressure
07/02/1992DE4141509A1 Semiconductor pressure transducer - has pressure detection chip on base in housing on substrate carrying resistor for highly accurate temp. compensation
07/02/1992DE4104056C1 Fault compensation for capacitive, ceramic pressure sensor - ses one main, or extra electrode as capacitively sensing electrode via diaphragm
07/02/1992DE4041621A1 Evaluation circuit for piezo-resistive pressure sensor - has resistive bridge contg. two piezo-resistive arms, operational amplifier all fitting on single hybrid
07/01/1992EP0492969A2 Ribbed and bossed pressure transducer
07/01/1992EP0491808A1 Process and device for the production of an individual tooth replacement part.
07/01/1992CN1062414A Intelligent tester for working resistance of hydraulic prop
06/1992
06/30/1992US5126813 Semiconductor pressure sensor device with two semiconductor pressure sensor chips and a method of manufacturing thereof
06/30/1992US5126617 Cylinder pressure sensor for an internal combustion engine
06/30/1992US5125801 Pumping system
06/30/1992US5125275 Pressure sensor package
06/30/1992CA1304238C Strain gage beam having integral overload protection
06/25/1992WO1992010763A1 Temperature compensation of transducers
06/25/1992WO1992010731A1 Pressure transmitter with stress isolation depression
06/25/1992WO1992010729A1 Microdevice for sensing or applying a force and method of making the same
06/24/1992EP0491567A1 Integrated sensor assembly
06/24/1992CN1062208A Pressure transmitter with stress isolation depression
06/23/1992US5123751 Systems for sensing pressure and temperature at a common location
06/23/1992US5123282 Vibrating type pressure measuring device
06/20/1992CA2058024A1 Integrated sensor array
06/17/1992EP0490807A2 Ternary brazing based on a Zirconium/Nickel alloy
06/17/1992EP0490486A2 Micromachined differential pressure transducers and method of producing the same
06/17/1992DE4039846A1 Micromechanical resonant sensor, e.g. for measuring temp. or pressure - has rectangular membrane in substrate with carriers for bridge
06/10/1992EP0489514A2 Improvements relating to optical fibre coil assemblies
06/09/1992US5119831 System and method for detecting pressure of selected body parts
06/09/1992US5119679 Optically powered and linked pressure transducer
06/09/1992CA1302730C Transducer
06/07/1992CA2094924A1 Pressure transmitter with stress isolation depression
06/07/1992CA2055978A1 Optical fibre coil assemblies
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
06/03/1992EP0488229A2 Semiconductor device and method for production thereof
06/03/1992EP0407413B1 Manometric or dynamometric device
06/03/1992CN1061669A 空气压力变化探测器 Air pressure variation detector
06/02/1992US5119033 Vernier voltage-to-digital converter with a storage capacitance selectable in magnitude
06/02/1992US5118981 Piezoelectric sensor for monitoring kinetic momentum
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
05/26/1992US5116457 Semiconductor transducer or actuator utilizing corrugated supports
05/26/1992US5116331 Pressure transducer and system for cryogenic environments
05/26/1992US5115680 Displacement sensor with mechanical preamplification means
05/26/1992US5115676 Flush-mounted pressure sensor
05/26/1992US5115675 Tensioned bellows pressure transducer
05/26/1992CA1301851C Catheter type sensor
05/26/1992CA1301471C Force measuring device
05/21/1992DE4036994A1 Display in form of electrical-electronic instrument - has setting gel filling part of housing contg. electrical parts, and separate housing part for display LCD
05/20/1992CN1061283A Contactless force measuring method and its installation
05/20/1992CN1016732B Pressure sensor of resistance-frequency type
05/19/1992US5113868 Ultraminiature pressure sensor with addressable read-out circuit
05/19/1992CA1300925C Media isolated differential pressure sensors
05/14/1992WO1992008116A1 Isolator for pressure transmitter
05/14/1992DE4035373A1 Interferometric optical path difference measurement - using optical fibre fabry-perot resonator as pressure sensors
05/13/1992EP0484432A1 Transducer with conductive polymer bridge
05/13/1992EP0394287B1 Portable centrifuge apparatus
05/13/1992CN1061082A Isolator for pressure transmitter
05/12/1992US5113070 Temperature compensator for an optic fiber pressure transducer
05/12/1992US5111700 Method and apparatus for obtaining electrical signals correlated with the position of a mass of mercury in instruments and the like
05/12/1992US5111699 Sensor for measuring the pressure of a medium
05/12/1992US5111698 Differential pressure measuring apparatus
05/07/1992DE4136260A1 Pressure sensor with pot-shaped sensing element - located in internal bore and having edge extending to engage collar integral with inner wall
05/07/1992DE4034246A1 Circuit for capacitive measurement transducer - contains flip=flop, filter, null point regulator, amplifier and thermistors for temp. compensation