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)
05/1998
05/19/1998US5753819 Method and apparatus for sealing a pressure transducer within a housing
05/19/1998US5753134 Method for producing a layer with reduced mechanical stresses
05/19/1998CA2028115C Capacitive pressure sensor and method of manufacturing same
05/14/1998WO1998020249A1 Pressure and temperature sensor assembly for internal combustion engines
05/14/1998WO1998020248A1 Manifold absolute pressure sensor for internal combustion engines
05/14/1998DE19646685A1 Verfahren zur Bestimmung von Parametern, z. B. Füllstand, Druck, Gaszusammensetzung in verschlossenen Behältern Method for the determination of parameters, such. As level, pressure, gas composition in sealed containers
05/13/1998CN1181814A Radio-interrogatable sensor using surface wave tech.
05/12/1998US5751902 Adaptive prediction filter using block floating point format and minimal recursive recomputations
05/12/1998US5750903 Method of linearizing a flow velocity sensor, a linearized flow velocity measurement apparatus and system
05/12/1998US5750899 Capacitive pressure sensor with sensing element mechanically isolated from the casing
05/12/1998US5750898 Passivation/patterning of PZR diamond films for high temperature transducer operability
05/07/1998WO1998019145A1 Fluid pressure sensing unit incorporating diaphragm deflection sensing array
05/05/1998US5747705 Method for making a thin film resonant microbeam absolute
05/05/1998US5747696 Method of non-invasively monitoring pressure of a compressed gas in a closed container
05/05/1998US5747694 Pressure sensor with barrier in a pressure chamber
04/1998
04/30/1998WO1998017988A1 Integrated fiber optic combustion pressure sensor
04/30/1998WO1998017987A1 Capacitive pressure or force sensor
04/30/1998DE19745858A1 Electronic pressure difference converter for washing machines, dishwashers
04/28/1998US5745611 Optical fiber pressure sensor
04/28/1998US5744727 Pressure gauge
04/28/1998US5744726 Pressure sensor with reduced dead space achieved through an insert member with a surface groove
04/28/1998US5744725 Capacitive pressure sensor and method of fabricating same
04/28/1998US5744719 Integrated micromechanical sensor device
04/23/1998DE19701221C1 Method of temperature compensation of measurement signals of fibre optical sensors
04/21/1998US5741975 Media isolated differential pressure sensor and fluid injection method
04/21/1998US5741974 Pressure sensor with resonant vibration preventing means
04/21/1998US5740594 Method for making a fluid pressure transducer
04/16/1998WO1998015809A1 Semiconductor sensor having diagnostic function and diagnostic method for semiconductor sensor
04/16/1998WO1998015808A1 Cell for converting differential pressure into an electric signal
04/16/1998WO1998015807A1 Silicon at least 5 micron high acute cavity with channel by oxidizing fusion bonding and stop etching
04/16/1998DE19745244A1 Integrated sensor appliance for vehicle air conditioning system
04/16/1998CA2268351A1 Cell for converting differential pressure into an electric signal
04/15/1998EP0741906A4 Low cost, center-mounted capacitive pressure sensor
04/15/1998CN1178900A Compensating circuit of thin film stress in sensor and method
04/14/1998US5739626 Piezoelectric sensor
04/14/1998US5738731 Solar cells
04/09/1998DE19743749A1 Semiconductor pressure sensor for absolute pressure measurement
04/09/1998DE19640960A1 Capacitive pressure sensor substrate
04/08/1998EP0834487A1 Method for joining ceramic alumina solids
04/08/1998EP0834059A1 Piezoresistive pressure transducer circuitry accommodating transducer variability
04/07/1998US5736430 Transducer having a silicon diaphragm and method for forming same
04/07/1998US5736061 Semiconductor element mount and producing method therefor
04/02/1998WO1998013679A1 Compensation technique for resistive bridge
04/01/1998EP0833137A2 Circuit and method of compensating for membrane stress in a sensor
04/01/1998CN1178005A Improved heated pressure transducer assembly
03/1998
03/26/1998WO1998012528A1 Electrostatic capacity type pressure sensor
03/26/1998WO1998012527A1 Differential pressure transducer
03/26/1998WO1998012526A1 Pressure sensor unit, especially for automotive engineering
03/25/1998EP0831315A2 Pressure sensor
03/25/1998EP0830841A1 Measuring device for medical applications having an intracorporeally-insertable sensor-element, and manufacturing method of such a measuring device
03/25/1998EP0830577A1 Magnetic relative position transducer
03/25/1998EP0676041B1 Pressure measurement transducer
03/19/1998WO1998011602A1 Method for producing integrated cmos circuits or transducers containing cmos circuits
03/19/1998DE19637763A1 Drucksensoreinheit, insbesondere für die Kraftfahrzeugtechnik Pressure sensor unit, particularly for automotive technology
03/18/1998EP0829711A2 Pressure switch device particularly for applications in the motor car field
03/18/1998EP0829710A2 Pressure transducer using surface acoustic wave (SAW) elements
03/18/1998EP0829003A1 Pressure sensor and method of producing the same
03/18/1998CN1176693A Pressure sensors and pressure transmitters
03/17/1998US5729074 Micro mechanical component and production process thereof
03/13/1998CA2215221A1 Pressure sensor using elements operating with acoustic surface waves (saw elements)
03/12/1998WO1998010252A2 Wafer fabricated electroacoustic transducer
03/12/1998CA2268053A1 Wafer fabricated electroacoustic transducer
03/11/1998EP0828147A2 Pressure detector
03/05/1998WO1998009145A1 Process for producing pressure sensors
03/05/1998DE19738531A1 Pressure dependent resistance e.g. for pressure sensor, keyboard switch
03/05/1998DE19736306A1 Pressure sensor mfg. method having metal diaphragm with resistive thin layer
03/04/1998EP0826953A2 Processing module for a capacitive pressure sensor
03/04/1998CN1174990A Pressure meter
03/04/1998CN1174988A Flow control sensor
02/1998
02/26/1998WO1998007365A1 Measurement of fluid pressure such as blood pressure
02/26/1998DE19740244A1 Thin film differential pressure sensor unaffected by acceleration
02/26/1998CA2264015A1 Measurement of fluid pressure such as blood pressure
02/25/1998EP0825428A2 Integrated optoelectronic combustion pressure sensor
02/25/1998EP0825427A2 Resonating structure and method for forming the resonating structure
02/25/1998EP0824675A1 Pressure transmitter with high pressure isolator mounting assembly
02/24/1998US5721612 Optical pressure sensor and method therefor
02/24/1998US5721446 Semiconductor pressure sensor with spacing member disposed between sensor and substrate
02/19/1998DE19644830C1 Pressure sensor chip with protective membrane and transfer element and force sensor
02/18/1998CN1173642A Sensor device
02/17/1998US5719740 Capacitance sensor
02/17/1998US5719069 One-chip integrated sensor process
02/12/1998WO1998005935A1 Method for packaging microsensors
02/12/1998WO1998005934A1 Electronic sensor component
02/12/1998DE19631742A1 Elektronisches Sensor-Bauelement Electronic sensor component
02/12/1998CA2211678A1 Resonating structure and method for forming the resonating structure
02/11/1998EP0823045A1 Mounting assembly for a pressure transmitter
02/11/1998CN1172949A Capacitive differential pressure detector
02/10/1998US5715827 Ultra miniature pressure sensor and guide wire using the same and method
02/05/1998DE19730914A1 Micro-electronic module for miniature microphone, pressure and acceleration sensor
02/05/1998DE19631018A1 Determining inner pressure of cylinder body especially tube acted on by pressure medium
02/04/1998EP0822579A1 Method of fabricating integrated microstructures of semiconductor material
02/04/1998EP0822398A1 Integrated piezoresistive pressure sensor and relative fabrication method
02/04/1998EP0822397A1 Method for packaging semiconductor devices
02/04/1998EP0821796A1 Radio-interrogatable sensor using surface wave technology
02/04/1998CN1172547A Capacitive absolute pressure sensor and method for making
02/03/1998US5714690 Piezoresistive silicon pressure sensor manufacture implementing long diaphragms with large aspect ratios
02/03/1998US5714680 Method and apparatus for measuring pressure with fiber optics
02/03/1998US5714409 Method and apparatus for packaging a vehicle sensor and integrated circuit chip
01/1998
01/28/1998EP0820581A1 Semiconductor chip with a diaphragm resting on vertical supports
01/28/1998EP0820580A1 Improved heated pressure transducer assembly