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)
12/1995
12/05/1995US5471884 Gain-adjusting circuitry for combining two sensors to form a media isolated differential pressure sensor
12/05/1995US5471882 Quartz thickness-shear mode resonator temperature-compensated pressure transducer with matching thermal time constants of pressure and temperature sensors
12/05/1995US5471723 Methods of manufacturing thin-film absolute pressure sensors
11/1995
11/30/1995DE4430158A1 Speed or flow-rate measurement probe esp of air in IC engine induction pipe for optimal fuel injection
11/29/1995EP0572375B1 Extended measurement capability transmitter having shared overpressure protection means
11/28/1995US5471086 Semiconductor device having piezo resistance
11/28/1995US5470797 Method for producing a silicon-on-insulator capacitive surface micromachined absolute pressure sensor
11/28/1995US5469749 Multiple-function fluid measuring and transmitting apparatus
11/28/1995CA2053793C Apparatus and method for a temperature compensation of a catheter tip pressure transducer
11/22/1995CN2213331Y Pocket digital pressure gage
11/22/1995CN1112236A Pressure sensor with stress isolation plateform hermetically sealed to protect sensor die
11/16/1995DE4416978A1 High pressure or force measurement appts.
11/15/1995EP0682258A1 Obstruction detection circuit for sample probe
11/15/1995EP0682239A2 Differential pressure detecting apparatus
11/15/1995EP0681691A1 Pressure sensor.
11/14/1995US5465626 Pressure sensor with stress isolation platform hermetically sealed to protect sensor die
11/10/1995CA2138857A1 Obstruction detection circuit for sample probe
11/08/1995EP0681168A2 Method and apparatus for determining the internal pressure of a sealed container
11/05/1995CA2148052A1 Method and apparatus for determining the internal pressure of a sealed container
11/02/1995WO1995029386A1 Coriolis mass flow rate meter
11/02/1995WO1995029385A1 Coriolis mass flow rate meter having adjustable pressure and density sensitivity
11/02/1995DE4414926A1 Piezoelectric resonator unit for detecting force or pressure
11/02/1995CA2186343A1 Coriolis mass flow rate meter having adjustable pressure and density sensitivity
11/02/1995CA2186342A1 Coriolis mass flow rate meter
11/01/1995CN2211601Y Pressure transducer
10/1995
10/31/1995US5461922 Pressure sensor isolated within housing having integral diaphragm and method of making same
10/26/1995WO1995028624A1 Stabilized pressure sensor
10/26/1995WO1995028623A1 Mounting of pressure sensor
10/25/1995EP0678905A2 Etch control seal for dissolved wafer micromachining process
10/24/1995US5461584 Semiconductor sensor device
10/24/1995US5461001 Method for making semiconductor structures having environmentally isolated elements
10/24/1995US5460050 Semiconductor strain sensor with Wheatstone bridge drive voltage compensation circuit
10/19/1995DE4413425A1 Lids on heated vessels touch pistons linked to single hydraulic system
10/18/1995EP0677921A2 Method and apparatus for compensating for temperature fluctuations in the input to a gain circuit
10/18/1995EP0677727A2 Pressure sensor assembly and method of producing the pressure sensor assembly
10/18/1995EP0677726A2 Pressure sensor
10/17/1995US5459351 Apparatus for mounting an absolute pressure sensor
10/17/1995US5458000 Static pressure compensation of resonant integrated microbeam sensors
10/17/1995US5457999 Method and apparatus for measurement of forces and pressures using tensioned bellows
10/16/1995CA2145697A1 Method and apparatus for compensating for temperature fluctuations in the input to a gain circuit
10/16/1995CA2145696A1 Pressure sensor assembly and method of producing the pressure sensor assembly
10/11/1995EP0676628A2 Stress isolated semiconductive pressure sensor
10/11/1995EP0676042A1 Pressure measurement transducer.
10/11/1995EP0676041A1 Pressure measurement transducer
10/11/1995EP0473582B1 Miniaturized pressure sensor
10/11/1995CN1109971A Pressure measuring arrangement
10/10/1995US5456117 Pressure sensor apparatus and method of manufacturing wherein the silicon-crystal substrate of the sensor has inclined crystallographic axes and gage resistors formed in a cavity of the substrate
10/10/1995CA2029041C Piezoelectric pressure sensor
10/05/1995WO1995026561A1 Electrode structure and method for anodically-bonded capacitive sensors
10/05/1995WO1995026495A1 Robust bond for micromachined sensor
10/05/1995DE4410794A1 Barometric measurement system for non-uniformly movable installation positions
10/05/1995CA2184161A1 Robust bond for micromachined sensor
10/04/1995EP0675350A2 Capacitor device
10/04/1995EP0675349A2 Pressure transducer apparatus and method for making same
10/03/1995US5454270 Hermetically sealed pressure sensor and method thereof
10/01/1995CA2145971A1 Multiple capacitor transducer
09/1995
09/27/1995EP0674181A2 Micro mechanical component and production process thereof
09/27/1995EP0674164A1 Capacitive pressure sensor or differential pressure sensor
09/27/1995EP0312532B1 Differential pressure sensors for sensing pressure and method of manufacture
09/27/1995CN1109264A Transmission system comprising at least a coder
09/27/1995CN1109263A Transmission system comprising at least a coder
09/26/1995US5453628 Microelectronic diamond capacitive transducer
09/25/1995CA2145331A1 Micro mechanical component and production process thereof
09/21/1995WO1995016897A3 Single path radial mode coriolis mass flow rate meter
09/21/1995DE4409687A1 Semiconductor pressure sensor
09/21/1995DE19510688A1 Sealing diaphragm structure used in pressure measuring device
09/21/1995DE19509188A1 Electronic piezo-resistive pressure sensor
09/20/1995EP0672899A2 Semiconductor pressure sensor with single-crystal silicon diaphragm and single-crystal gage elements and fabrication method therefor
09/20/1995EP0672898A2 Semiconductor pressure sensor with polysilicon diaphragm and single-crystal gage elements and fabrication method therefor
09/20/1995EP0672897A2 Vibrating element transducer
09/20/1995EP0672239A1 Pedestal mount capacitive pressure sensor
09/19/1995US5451940 Capacitive sensor signal processing arrangement using switch capacitor structures
09/19/1995US5451373 Obstruction detector for a fluid flow line of a medical laboratory instrument
09/19/1995US5450754 Pressure sensor
09/14/1995WO1995024630A1 Method and device for measuring the characteristics of an oscillating system
09/14/1995WO1995024624A1 Pressure gauge
09/14/1995DE4407648A1 Vorrichtung zum Erfassen der Position eines Stellelementes A device for detecting the position of an actuating element
09/14/1995DE19507317A1 Connection assembly for semiconductor chip
09/13/1995EP0670995A1 High overpressure low range pressure sensor
09/13/1995CN2207572Y Optical fibre raster pressure measurer
09/12/1995US5448921 Coriolis mass flow rate meter
09/08/1995WO1995023551A1 Fibre-optic pressure measuring arrangement
09/07/1995DE4407176A1 Druckmessung mittels Faseroptik Pressure measurement with fiber optics
09/07/1995DE19507143A1 Fluid-tight semiconductor pressure sensor mfr.
09/07/1995DE19506338A1 Piezoelectric measuring element for measuring mechanical values esp. force
09/07/1995DE19504353A1 Deformation sensor for controlling vehicle airbag for side impact
09/06/1995EP0465573B1 Semiconductor transducer or actuator utilizing corrugated supports
09/06/1995CN1107970A Capacitance type sensor and method of manufacturing the same
09/05/1995US5448444 Capacitive pressure sensor having a reduced area dielectric spacer
09/05/1995US5447075 Self-exciting optical strain gage
09/05/1995US5447073 Multimeasurement replaceable vortex sensor
09/05/1995US5447071 Direct coupled pressure sensing device
08/1995
08/31/1995DE4406021A1 Pressure measuring device
08/30/1995EP0668995A1 Method of fabricating at least a membrane mounted on a frame
08/30/1995EP0493542B1 Pressure sensor for determination of the pressure in a combustion chamber of an internal-combustion engine
08/29/1995US5446616 Electrode structure and method for anodically-bonded capacitive sensors
08/29/1995US5446279 Fiber optic sensor sensing curvature of a diaphragm
08/29/1995US5445991 Method for fabricating a semiconductor device using a porous silicon region
08/29/1995US5445031 Pressure-measuring arrangement with high linearity
08/29/1995US5444901 Method of manufacturing silicon pressure sensor having dual elements simultaneously mounted