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)
08/1988
08/30/1988US4766769 Differential-pressure measuring apparatus with improved arrangement for coupling pressures to a semiconductor sensor
08/30/1988US4766666 Semiconductor pressure sensor and method of manufacturing the same
08/30/1988US4766655 Method for fabricating a compensated silicon pressure sensing device
08/25/1988WO1988006281A1 Pressure sensor
08/24/1988EP0279515A1 Sensors
08/23/1988US4765751 Of a gaseous stream flowing in a downstream direction
08/23/1988US4765188 Pressure transducer with integral digital temperature compensation
08/23/1988US4765184 High temperature switch
08/17/1988EP0278341A2 Pressure sensor and mounting method therefor
08/16/1988US4764747 Pressure responsive diaphragm transducer assembly
08/11/1988DE3702736A1 Inductive sensor
08/09/1988US4763098 Flip-chip pressure transducer
08/09/1988US4763097 Measurement transformer
08/09/1988US4763063 Compact digital pressure sensor circuitry
08/03/1988EP0276889A2 Pressure transducer for static pressure charges with a silicon body
08/02/1988CA1239806A1 Capacitive sensing cell made of brittle material
07/1988
07/28/1988WO1988005529A1 Optical sensor
07/26/1988US4759222 Pressure responsive switch
07/21/1988DE3741941A1 Electrostatic capacitative pressure sensor
07/20/1988CN86108892A Split-seconds type silicon varistor pulsating flow rhysimeter probe
07/12/1988US4756193 Pressure sensor
07/06/1988EP0273832A2 Differential pressure detector
07/06/1988EP0273649A2 Temperature-compensated transducer
07/06/1988CN87106322A Flangeless transmitter coupling to flange adapter union
07/05/1988US4754647 Semiconductor integrated pressure transducer
07/05/1988US4754646 Resonator pressure transducer structure and method of manufacture
06/1988
06/28/1988US4754365 Differential pressure transducer
06/28/1988US4753109 Pressure sensitive element of aluminum oxide, strain-responsive resistors; silicon on sapphire
06/28/1988US4753105 Electronic pressure scanner
06/28/1988CA1238501A1 Combined electronic pressure transducer and power switch
06/22/1988CN87106874A Transmitter with improved span adjustment
06/16/1988DE3641842A1 Method and device for pressure measurement in a gaseous medium
06/15/1988EP0271062A2 Wiring structure of semiconductor pressure sensor
06/15/1988EP0270587A1 Cell holding a pressure pick-off particularly made of ceramic.
06/14/1988CA1237914A1 Fiber-optic transducer apparatus
06/08/1988CN87214101U Measuring instrument for sealing value of precise coupling pieces of oil pump and oil spout
06/08/1988CN87207497U Power type electric contact pressure gauge
06/07/1988US4748853 Interface circuit between a sensor, particularly a thick film pressure sensor and an electrodynamic instrument, and a sensor incorporating such a circuit
06/07/1988US4748852 Transmitter with an improved span adjustment
06/02/1988WO1988004078A1 Pressure transducer with integral digital temperature compensation
06/02/1988WO1988004042A1 Monitoring fluid pressure in a flexible pipe
06/01/1988EP0268845A2 Diaphragm condensor for measuring very small fluctuating pneumatic pressures
06/01/1988DE3639559A1 Device for measuring physical quantities
05/1988
05/31/1988US4747311 Gas pressure gage
05/24/1988US4746893 Pressure transducer with sealed conductors
05/24/1988US4745925 Optoelectronic inhalation sensor for monitoring inhalation and for inhalation therapy
05/24/1988US4745876 Differential pressure responsive indicating device
05/24/1988US4745811 Condition responsive apparatus
05/24/1988US4745810 Flangeless transmitter coupling to a flange adapter union
05/24/1988CA1236990A1 Device for harnessing and using a pressure, to wit of a fluid
05/19/1988WO1988003491A1 Electrohydraulic device for continuously monitoring the pressure of the hydraulic braking system of motor vehicles
05/18/1988EP0267544A2 Pressure sensor
05/18/1988CN87209309U Silicon piezo-risistive baroceptor
05/17/1988US4744863 Sealed cavity semiconductor pressure transducers and method of producing the same
05/17/1988CA1236706A1 Pressure transducer
05/11/1988EP0266974A2 Sensor device
05/11/1988EP0266681A2 Method of adjusting bridge circuit of semiconductor pressure sensor
05/11/1988EP0266446A1 Capacitive pressure transducer
05/11/1988EP0266365A1 Circuitry for generating an output signal non-linearly dependent on temperature.
05/10/1988US4743836 Capacitive circuit for measuring a parameter having a linear output voltage
05/10/1988US4743752 Fiber optic remote sensor
05/04/1988EP0265816A2 Method of measuring semiconductor pressure sensor
05/03/1988US4741214 Capacitive transducer with static compensation
05/03/1988US4741213 Quartz-type gas pressure gauge
05/03/1988CA1235922A1 Pressure sensing cell using brittle diaphragm
04/1988
04/27/1988EP0264388A1 Circuitry for measuring mechanical deformation, specially under pressure.
04/26/1988US4739664 Absolute fluid pressure sensor
04/26/1988US4739663 Acoustically monitored manometer
04/21/1988WO1988002850A1 Transmitter with an improved span adjustment
04/20/1988CN87213201U Remote-transmission pressure gauge with digital display
04/20/1988CN87104176A Resonant tube type compression transducer
04/19/1988US4739381 Piezoresistive strain sensing device
04/19/1988US4739298 High temperature transducers and methods of manufacturing
04/19/1988US4739285 Oscillator having all-pass filter with resistance bridge for detecting physical parameters
04/19/1988US4738267 Implantable, intracranial-pressure sensor
04/19/1988US4738141 Pressure sensor
04/19/1988US4738140 Apparatus for performing pressure, normal force and bending measurements on pipelines
04/14/1988DE3633810A1 Pressure-difference measuring device
04/13/1988EP0263219A1 Device provided with strain gauges for measuring forces and couples
04/13/1988EP0263190A1 Pressure transducer for medical applications
04/13/1988EP0263115A1 Measuring element for hydraulic systems
04/13/1988CN87102941A Measurement circuit
04/12/1988US4737756 Electrostatically bonded pressure transducers for corrosive fluids
04/12/1988US4737676 Transducer with a flexible piezoelectric layer as a sensor element
04/12/1988US4737473 Piezoresistive transducer
04/07/1988WO1988002545A1 Fiber optic sensor apparatus
04/06/1988EP0262507A2 Semiconductor integrated pressure transducer
04/06/1988EP0262366A1 Pressure-measuring element
04/05/1988US4736155 Transducer temperature control circuit and method
04/05/1988US4735212 Measuring fluid pressure at multiple sites within a body cavity
04/05/1988US4735098 Dual diaphragm differential pressure transducer
04/05/1988CA1234706A1 Electret transducer for blood pressure measurement
03/1988
03/30/1988EP0177491A4 Pressure compensated differential pressure sensor and method.
03/29/1988US4734671 Strain gage beam having integral overload protection
03/29/1988US4734609 Gas density transducer
03/29/1988CA1234618A1 Piezoelectric transducer and pressure sensor using such a transducer
03/24/1988WO1988002107A1 Flangeless transmitter coupling to a flange adapter union
03/24/1988DE3631288A1 Measurement value transmitter
03/22/1988US4732044 Pressure measuring device
03/22/1988US4732042 Cast membrane protected pressure sensor