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)
12/1998
12/01/1998US5844141 For sensing fluid pressure
11/1998
11/26/1998WO1998053288A1 Sensor capsule for pressure transmitter
11/26/1998DE19716897C1 Dosing unit for fluids
11/25/1998EP0879420A1 Improved charge rate electrometer
11/19/1998WO1998052007A1 A magnetic induction type pressure sensor
11/19/1998DE19720577A1 Differential measuring unit for determining pressure difference between inlet and outlet side of filter
11/18/1998EP0878835A1 Etching method for silicon substrate
11/18/1998EP0877574A1 Combined flow, pressure and temperature sensor
11/18/1998EP0720748B1 Integrated micromechanical sensor device and process for producing it
11/17/1998US5837935 Hermetic seal for an electronic component having a secondary chamber
11/17/1998US5837885 Method and device for measuring the characteristics of an oscillating system
11/17/1998US5836886 Catheter having a sensor
11/17/1998US5836200 Cell for measuring acoustical properties of fluid samples under high pressure
11/17/1998US5836063 Method for producing capacitive ceramic absolute pressure sensors sorted in zero-point long-term stability defect classes
11/12/1998DE19718349A1 Pressure sensor
11/11/1998EP0877240A2 Semiconductive pressure sensor
11/11/1998EP0805946A4 Apparatus for microindentation hardness testing and surface imaging incorporating a multi-plate capacitor system
11/11/1998EP0721564A4 High precision scale and position sensor
11/11/1998EP0713578B1 Cell for measuring acoustical properties of fluid samples under high pressure
11/10/1998US5834652 Pressure sensing device with elastic sealing member and method of easy installation
11/10/1998US5834333 Transducer having a resonating silicon beam and method for forming same
11/10/1998US5834332 Micromechanical semiconductor components and manufacturing method therefor
11/04/1998EP0758443B1 Coriolis mass flow rate meter having adjustable pressure and density sensitivity
11/03/1998US5831170 Pressure sensor package and method of making the same
10/1998
10/29/1998WO1998048256A1 An induct-type oil pressure detecting means
10/29/1998WO1998047424A1 Pressure transducer apparatus with disposable dome
10/28/1998EP0874251A2 Process for fabricating a device having a hole at an extremity
10/27/1998US5827973 Equipment for attaching a part on a substrate
10/27/1998US5827972 High pressure sensor apparatus with low cost compact packaging system
10/27/1998US5827756 Method of manufacturing semiconductor device
10/22/1998WO1998047008A2 Air data measurement system with circuit for linearizing pressure transducer output
10/22/1998DE19743216A1 Semiconductor pressure sensor
10/22/1998DE19716521A1 Force sensor esp pressure sensor in LTCC technology
10/21/1998EP0872720A1 Microstructure with flexible diaphragm for measuring pressure and procedure to produce
10/21/1998EP0872713A2 Sensor with improved capacitive to voltage converter integrated circuit
10/20/1998US5824909 Pressure measuring sensor and apparatus having a seal between a housing and a pressure measuring cell
10/15/1998WO1998045675A1 Capacitive pressure sensing method and apparatus
10/14/1998EP0870170A2 Micro-electro-mechanics systems (mems)
10/13/1998US5822369 Sensor device
10/13/1998US5822173 Condition responsive electrical apparatus having improved low cost housing
10/13/1998US5821596 Batch fabricated semiconductor micro-switch
10/13/1998US5821595 Carrier structure for transducers
10/13/1998US5821432 Force and /or moment measuring device
10/08/1998WO1998044529A1 Microtip vacuum field emitter structures, arrays, and devices, and methods of fabrication
10/07/1998CN2293823Y Gas meter
10/01/1998WO1998043057A1 Batch fabricated semiconductor thin-film pressure sensor and method of making same
10/01/1998WO1998043056A1 Device for determining the pressure and temperature in the suction pipe of an internal combustion engine
10/01/1998DE19724001C1 Sensor for measuring pressure profiles
09/1998
09/30/1998EP0867705A2 Sensor for measuring the surface strain of a hollow body
09/30/1998EP0867704A2 Sensor for measuring the internal pressure of a hollow body
09/30/1998EP0867694A1 Coriolis mass flow rate meter
09/30/1998EP0866958A1 Wheatstone bridge with temperature gradient compensation
09/30/1998EP0866957A1 Instability oscillator with electrostatic presetting
09/29/1998US5814275 Obstruction detector for a fluid flow line of a medical laboratory instrument
09/29/1998CA2028835C Capacitive pressure sensor and method of manufacturing same
09/24/1998WO1998041911A1 Altitude alert system for aircraft operating in reduced vertical separation minimum airspace and method therefor
09/24/1998WO1998041831A1 Measuring device
09/24/1998WO1998041830A1 Ceramic pressure sensor capsule
09/24/1998DE19711939A1 Vorrichtung zur Erfassung des Drucks und der Temperatur im Saugrohr einer Brennkraftmaschine A device for detecting the pressure and temperature in the intake manifold of an internal combustion engine
09/24/1998DE19711366A1 Meßvorrichtung Measuring device
09/23/1998EP0866324A2 Fabry-perot pressure sensing system
09/23/1998CN1193737A Fabry-perot pressure sensing system with ratioed quadrature pulse detection
09/22/1998US5812047 Offset-free resistor geometry for use in piezo-resistive pressure sensor
09/22/1998US5811685 Fluid pressure sensor with contaminant exclusion system
09/22/1998US5811684 Pressure sensor package and method of making the same
09/22/1998US5811321 Semiconductor pressure detecting device and manufacturing method of the device
09/17/1998DE19710324A1 Semiconductor devices with micro-mechanical structures
09/16/1998EP0749570B1 Method and device for measuring the characteristics of an oscillating system
09/15/1998US5808210 Thin film resonant microbeam absolute pressure sensor
09/15/1998US5808206 Heated pressure transducer assembly
09/15/1998US5808205 Eccentric capacitive pressure sensor
09/15/1998US5807265 For detecting forces acting on the distal end of a catheter
09/09/1998EP0863392A1 A method of manufacturing pressure microsensors
09/08/1998US5804736 Differential capacitive transducer
09/08/1998US5804735 Differential pressure transducer unit with an overload protection system
09/08/1998US5804457 Method for manufacturing a force sensor
09/08/1998US5804090 Process for etching semiconductors using a hydrazine and metal hydroxide-containing etching solution
09/08/1998US5802912 Electrical terminal apparatus
09/03/1998WO1998038483A1 Pressure sensor component and method for the production thereof
09/03/1998DE19739532A1 Interface circuit for capacitance sensor e.g. pressure or acceleration sensor
09/02/1998EP0862052A2 Pressure transducer
09/02/1998EP0862051A1 Electrostatic capacity type pressure sensor
09/02/1998EP0740781B1 Compensation of resonant integrated microbeam sensors
09/02/1998CN1192272A Magnetic relative position transducer
09/01/1998US5801313 Capacitive sensor
08/1998
08/27/1998WO1998037395A1 Method and device for measuring fluid pressure
08/27/1998WO1998037393A1 A sensor element having temperature measuring means
08/27/1998WO1998037392A1 A sensor element having an integrated reference pressure
08/27/1998DE19707503A1 Drucksensor-Bauelement und Verfahren zur Herstellung Pressure sensor component and method for preparing
08/27/1998DE19706837A1 Device determining pressure in hydraulic pipelines
08/27/1998DE19705474A1 Implantable measuring unit for intracranial pressures, etc.
08/26/1998EP0859569A1 Sensor for the non-invasive and continuous measurement of the arterial pulse wave passage time
08/26/1998EP0764335B1 Electrode structure and method for anodically-bonded capacitive sensors
08/26/1998EP0728298B1 Method of producing at least one recess in a surface of a substrate as bed for a diaphragm by dry etching
08/25/1998US5798467 Pluck resistance measuring instrument for snap members
08/25/1998US5798462 Magnetic position sensor with magnetic field shield diaphragm
08/25/1998US5797266 Device for actively controlling combustion instabilities and for decoking a fuel injector
08/20/1998WO1998036254A1 Method and apparatus for sensing fluid pressure
08/20/1998CA2280706A1 Method and apparatus for sensing fluid pressure
08/19/1998CN2288432Y 磁感应压力传感器 Magnetic induction pressure sensor