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)
06/1997
06/10/1997US5637802 Capacitive pressure sensor for a pressure transmitted where electric field emanates substantially from back sides of plates
06/10/1997US5637801 Semiconductor diaphragm pressure sensor with grooves to absorb adhesive
06/10/1997US5636547 Liquid level monitoring system having ferrofluid pressure sensor
06/04/1997EP0777116A1 Pressure sensor with pressure sensitive housing
06/04/1997EP0776468A2 Differential pressure transmitter
06/04/1997EP0634008B1 Micromachined sensor device
06/03/1997US5635649 Multi-function differential pressure sensor with thin supporting base
06/03/1997US5635621 Apparatus for calibrating a fuel level detector
05/1997
05/28/1997EP0775304A1 Method of producing cavity structures
05/28/1997EP0775303A1 Pressure gauge
05/28/1997EP0764335A4 Electrode structure and method for anodically-bonded capacitive sensors
05/28/1997CN1150646A Displacement sensor
05/27/1997US5633594 Differential type capacitive sensor system
05/27/1997US5632854 Pressure sensor method of fabrication
05/22/1997DE19544974C1 Steuergerät, insbesondere zur Auslösung eines Rückhaltemittels in einem Fahrzeug Control unit, in particular for triggering a restraint device in a vehicle
05/21/1997EP0774652A2 Coplanar pressure sensor mounting for remote sensor
05/21/1997EP0774651A2 Differential pressure sensor
05/21/1997EP0594836B1 Pressure measurement device, in particular for a perfusion apparatus
05/20/1997US5631602 Wheatstone bridge amplifier circuit with integrated diagnostic testing
05/20/1997US5631428 Capacitive semiconductor pressure sensor
05/20/1997US5631198 Method for making a piezoresistive pressure sensor of semiconductor material employing anisotropic etching
05/15/1997WO1997017016A2 Sensor for the non-invasive and continuous measurement of the arterial pulse wave passage time
05/15/1997DE19644856A1 Catheter
05/15/1997DE19541616A1 Micro-mechanical component e.g. capacitive pressure sensor
05/14/1997EP0653052B1 Self-exciting optical strain gage
05/14/1997EP0574539B1 Line pressure compensator for a pressure transducer
05/14/1997CN1149931A Semiconductor pressure sensor and production method thereof
05/13/1997US5629538 Semiconductor sensor having a protective layer
05/13/1997US5629486 Pressure sensor apparatus with integrated circuit mounted thereon
05/07/1997EP0771415A1 Protective diaphragm for a silicon pressure sensor
05/07/1997DE19540232C1 Hydrodynamic and hydrostatic force measuring method
05/07/1997CN2253828Y Self-regulating pressure meter for frequency converter
05/07/1997CN1149131A Pluck-resistance measuring instrument for snap members
05/06/1997US5626779 Micromachine transducer with cantilevered movable portion
05/06/1997US5626052 Method for collecting liquid level data
04/1997
04/29/1997US5625152 Heated pressure transducer assembly
04/29/1997US5625151 Silicone oil-filled semiconductor pressure sensor
04/29/1997US5625144 Simple, low-cost, low-noise, and energy-efficient digital tire gauge
04/24/1997DE19643178A1 Digital=to=analogue converter with resistance R-2R ladder network
04/23/1997EP0769754A1 Monolithic fingerprint sensor
04/23/1997EP0628160B1 Procedure for batch production of pressure difference sensors
04/22/1997US5623102 Three wafer semiconductor pressure-difference sensor and method for manufacture separating middle wafer into conducting diaphragm and web
04/22/1997US5623101 Process to correct a differential pressure signal
04/22/1997US5622902 Passivation/patterning of PZR diamond films for high temperature operability
04/22/1997US5622901 Method of forming a semiconductor strain sensor
04/22/1997US5622869 Method of detecting an obstruction in a fluid flow line of a medical laboratory instrument
04/16/1997EP0768533A1 Differential charge amplifier for piezoelectric sensor
04/16/1997EP0767899A1 Apparatus for mounting an absolute pressure sensor
04/16/1997EP0611882B1 Misfire detecting method
04/16/1997CN1147631A Architecture integrating sensing element into high pressure sensor
04/15/1997US5621178 Piezoelectric sensor system
04/15/1997US5621176 Pressure sensor which prevents leakage of fuel
04/15/1997US5621175 Differential pressure transmitter having symmetrical construction
04/15/1997US5619997 Passive sensor system using ultrasonic energy
04/10/1997WO1997013132A1 Pressure sensor module having non-contaminating body
04/09/1997EP0767501A1 Semiconductor pressure sensor and production method thereof
04/08/1997US5619046 Method of manufacturing a measuring device
04/03/1997WO1997012216A1 Vacuum absolute pressure measurement with resonator to excess temperature
04/02/1997CN1146823A Electrode structure and method for anodically-bonded capacitive sensors
04/02/1997CN1146808A Piezo-resistive pressure sensor or pressure detector
04/01/1997US5617338 Method of and system for electrically processing vacuum pressure information suitable for use in vacuum unit
04/01/1997US5616521 Side port package for micromachined fluid sensor
04/01/1997US5616514 Method of fabricating a micromechanical sensor
04/01/1997CA2054784C Ternary active brazing based on a zirconium-nickel alloy
03/1997
03/27/1997DE19535651A1 Verfahren und Vorrichtung zur Absolutdruckmessung in gasverdünnten Räumen Method and apparatus for measuring absolute pressure in gas diluted rooms
03/26/1997EP0764842A2 Frequency deviation detecting circuit and measuring apparatus using the frequency deviation detecting circuit
03/26/1997EP0764839A1 Pressure or differential pressure measuring device
03/26/1997EP0764335A1 Electrode structure and method for anodically-bonded capacitive sensors
03/26/1997EP0764263A1 Fiberoptic sensor using tapered and bundled fibers
03/25/1997US5614678 High pressure piezoresistive transducer
03/25/1997US5613778 Method for collecting liquid temperature data from a fuel tank
03/25/1997US5613398 Smart fuel tank module
03/20/1997DE19638373A1 Semiconductor sensor device for pressure or acceleration detection
03/19/1997EP0647118B1 Blood pressure transducer
03/18/1997US5612815 Optical device for optomechanical application
03/18/1997US5612778 Fiber optic sensor for multiple variables
03/18/1997US5612497 Adaptor for monitoring a pressure sensor to a gas turbine housing
03/18/1997US5612488 Semiconductor acceleration detecting device
03/18/1997US5611623 Apparatus for collecting liquid temperature data from a fuel tank
03/13/1997DE19636543A1 Elektromechanische Meßwertaufnehmer und Verfahren zur Herstellung desselben Electromechanical transducer and method for manufacturing the same
03/12/1997EP0762510A2 Method for fabricating a monolithic semiconductor device with integrated surface micromachined structures
03/12/1997EP0762097A1 Arrangement for integrating a sensitive element in a pressure transducer
03/12/1997EP0762096A1 Vertically integrated sensor structure and method for making same
03/11/1997US5610340 Integrated pressure sensor with remote power source and remote read-out
03/06/1997DE19634816A1 Capacitive multipurpose sensor, esp. for detecting several parameters of hydraulic system
03/06/1997DE19610828C1 Pressure measuring device for invasive blood pressure measurement
03/06/1997DE19603279A1 Semiconductor pressure sensor with chip with central diaphragm
03/06/1997DE19542019C1 Sensor for non=invasive and continuous detection of arterial pulse wave delay esp in human arteria radialis, for blood pressure measurement
03/05/1997EP0719448A4 Fiberoptic pressure sensor having drift correcting means for in situ calibration
03/01/1997CA2184213A1 Architecture integrating a sensing element into a high pressure sensor
02/1997
02/27/1997DE19531386A1 Evaluation circuit for thick film pressure sensor for ohmic measuring bridge
02/26/1997EP0759547A1 Pressure sensor
02/26/1997EP0759546A2 Pressure transducer
02/26/1997EP0759158A1 Obstruction detector for a fluid flow line of a medical laboratory instrument
02/26/1997EP0714505A4 Capacitive pressure sensor
02/26/1997EP0639266B1 A method of manufacturing a measuring device
02/25/1997US5606513 Transmitter having input for receiving a process variable from a remote sensor
02/25/1997US5606311 Air filter diagnostic
02/25/1997US5606117 Pressure sensor for measuring pressure in an internal combustion engine
02/22/1997CA2183896A1 Capacitive temperature and pressure transducer