| 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) |
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| 09/23/1980 | US4224687 Pressure pulse detection apparatus incorporating noise reduction feature |
| 09/18/1980 | WO1980001951A1 Linear differential sensor of the foucault current type used to measure short displacements of a metal piece |
| 09/17/1980 | EP0015836A1 Surface acoustic wave pressure transducer |
| 09/17/1980 | EP0015368A1 Air pressure measuring device |
| 09/17/1980 | EP0015253A1 A transducer for sensing a variable parameter and for converting a so-obtained analog signal to a digital signal. |
| 09/16/1980 | US4222277 Media compatible pressure transducer |
| 09/09/1980 | US4221134 Differential pressure transducer with strain gauge |
| 09/09/1980 | US4221133 Vibratory-wire pressure sensor |
| 09/03/1980 | EP0014744A1 Method of making a piezoelectric transducer |
| 09/02/1980 | CA1085018A1 Linear displacement transducer |
| 08/26/1980 | US4218925 Differential pressure transmitter with pressure sensor protection |
| 08/20/1980 | EP0014452A2 Pressure transducer |
| 08/19/1980 | US4217783 Magnetoresistive pressure-sensing device for automotive electronic engine control systems |
| 08/19/1980 | US4217774 Apparatus for measuring the value of a fluid variable |
| 08/12/1980 | CA1083385A1 Fluid pressure-sensing device |
| 08/05/1980 | US4216403 Monoaxially oriented piezoelectric polymer transducer for measurement of mechanical values on bodies |
| 08/05/1980 | US4216401 Surface acoustic wave (SAW) pressure sensor structure |
| 07/29/1980 | CA1082797A1 Differential surface acoustic wave transducer |
| 07/22/1980 | US4214225 Signal transducing device |
| 07/22/1980 | CA1081989A1 Capacitive pressure sensor |
| 07/15/1980 | US4212209 Differential pressure to electric current transducer employing a strain sensitive resistive pattern on a substrate having a high modulus of elasticity |
| 07/15/1980 | US4212198 Borehole pressure sensing system |
| 07/15/1980 | US4212191 Differential pressure gauge |
| 07/15/1980 | CA1081501A1 Diesel fuel pipe transducer |
| 07/15/1980 | CA1081496A1 Pressure to electric transducer |
| 07/10/1980 | WO1980001412A1 A transducer |
| 07/08/1980 | US4211119 Self-standardizing pressure sensor for use in an electronic fuel control system |
| 07/08/1980 | US4211106 Estimates of permeability from capillary pressure measurements |
| 07/01/1980 | US4210029 Differential fiber optic differential pressure sensor |
| 06/24/1980 | US4208918 Digital pressure sensor |
| 06/24/1980 | US4208782 Methods of fabricating transducers employing flat bondable surfaces with buried contact areas |
| 06/10/1980 | US4207604 Capacitive pressure transducer with cut out conductive plate |
| 06/10/1980 | US4207551 Pressure transducer |
| 06/10/1980 | US4206655 Pressure sensor which can compensate for temperature variation |
| 06/10/1980 | CA1079087A1 Pressure-balanced telemetric pressure sensing system and method therefore |
| 06/03/1980 | US4206437 Transducer with compensation features |
| 06/03/1980 | US4205556 Circuitry for strain sensitive apparatus |
| 05/28/1980 | EP0011214A1 Measuring arrangement in nuclear reactors |
| 05/27/1980 | US4204544 Simultaneous muscle force and displacement transducer |
| 05/27/1980 | CA1078217A1 Force transducing cantilever beam and pressure transducer incorporating it |
| 05/21/1980 | EP0015253A4 A transducer for sensing a variable parameter and for converting a so-obtained analog signal to a digital signal. |
| 05/20/1980 | US4204244 Electromechanical pressure transducer |
| 05/20/1980 | US4204185 Integral transducer assemblies employing thin homogeneous diaphragms |
| 05/20/1980 | US4203327 Piezoresistive silicon strain sensors and pressure transducers incorporating them |
| 05/14/1980 | EP0010584A1 Pressure controlling device |
| 05/13/1980 | US4203128 Electrostatically deformable thin silicon membranes |
| 05/13/1980 | US4202217 Semiconductor transducers employing flat bondable surfaces with buried contact areas |
| 05/13/1980 | US4202081 Method of assembling a pressure sensor |
| 05/13/1980 | CA1077294A1 Pressure transmitter with simplified pressure sensing head |
| 05/06/1980 | US4201081 Pressure responsive sensing device |
| 05/06/1980 | CA1076918A1 Heat-and-moisture exchanging device for respiration |
| 05/06/1980 | CA1076832A1 Differential pressure transmitter with pressure sensor protection |
| 04/30/1980 | EP0010204A1 Semiconductor absolute pressure transducer assembly |
| 04/29/1980 | US4199838 Indicating device for vacuum cleaners |
| 04/22/1980 | US4198868 Strain gauge apparatus and means for treating temperature dependency |
| 04/22/1980 | US4198867 Temperature compensating means for pressure measuring apparatus |
| 04/15/1980 | US4198670 Capacitive pressure transducer |
| 04/15/1980 | US4197743 Apparatus for measuring barometric pressure |
| 04/15/1980 | CA1075490A1 Fuel injected engine monitoring apparatus |
| 04/08/1980 | US4196632 Dual capacitance type bonded pressure transducer |
| 04/08/1980 | CA1075380A1 Non-contacting pressure detection system |
| 04/02/1980 | EP0009313A1 Improved pressure transducer and assembly |
| 03/25/1980 | US4194974 Pressure monitoring device |
| 03/25/1980 | US4194401 Transducer for measuring the internal pressure in pipes |
| 03/25/1980 | CA1074144A1 Pressure-electrical signal conversion means |
| 03/18/1980 | US4193291 Slow torsional wave densitometer |
| 03/11/1980 | US4193063 Differential capacitance measuring circuit |
| 03/11/1980 | US4192191 Pressure sensor |
| 03/11/1980 | US4192183 Pressure ratio transducer system |
| 03/11/1980 | US4192179 Piezoelectric transducer for fuel injection engine |
| 03/11/1980 | CA1073237A1 High fidelity pressure transducer |
| 03/04/1980 | US4192005 Compensated pressure transducer employing digital processing techniques |
| 03/04/1980 | US4191193 Catheter head-type transducer |
| 03/04/1980 | US4191057 Flexible beam with transistor deposited on surface, wheatstone bridge, biasing |
| 02/26/1980 | US4190876 Variable capacitors |
| 02/26/1980 | US4190804 Signal-conditioning circuits |
| 02/26/1980 | US4190796 Pressure detecting apparatus having linear output characteristic |
| 02/12/1980 | US4188572 Current sensing device |
| 02/12/1980 | US4188258 Gold diffused into platinum alloy gage material, etched to define resistors |
| 02/12/1980 | US4187720 Fuel line injection sensor |
| 02/12/1980 | CA1071426A1 Pressure sensor for high-temperature liquids |
| 02/06/1980 | EP0007893A1 A device for generating an electric output signal in response to the positioning of a mechanical member and an equipment for controlling the draught in a boiler, preferably an oil-fired boiler, including such a device |
| 02/06/1980 | EP0007596A1 Capacitive pressure sensor |
| 02/05/1980 | US4186751 Non-invasive, pressure sensor apparatus for communicating pressure inside a body to the exterior thereof |
| 02/05/1980 | US4186749 Induction powered biological radiosonde |
| 01/23/1980 | EP0007155A1 Monitoring apparatus |
| 01/22/1980 | US4185239 Super sharp and stable, extremely low power and minimal size optical null detector |
| 01/22/1980 | US4184377 Hydraulic pressure transducer with electrical output |
| 01/15/1980 | US4184189 Capacitive pressure sensor and method of making it |
| 01/10/1980 | WO1980000037A1 Pressure transducer |
| 01/09/1980 | EP0006817A1 Numerically operating pressure sensor |
| 01/09/1980 | EP0006740A1 Improvements in strain gauges |
| 01/09/1980 | EP0006577A1 Catheter for insertion into a patient's vessel |
| 01/08/1980 | US4182188 Airstream pressure sensing probes |
| 01/01/1980 | US4181012 Device for converting mechanical quantities into electrical quantities |
| 12/25/1979 | US4179939 Diesel fuel pipe transducer |
| 12/18/1979 | US4178804 Pressure transducers |
| 12/18/1979 | CA1068375A1 Transducer for converting a varying reactance signal to a dc current signal |
| 12/11/1979 | US4178621 Electromechanical pressure transducer |
| 12/11/1979 | US4177680 Dual pressure sensor |