| 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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| 07/20/1993 | US5228337 Tire pressure and temperature measurement system |
| 07/20/1993 | US5228334 Pressure transducer |
| 07/20/1993 | US5228333 Pressure and heat-flow sensor for the combustion chamber of internal combustion engines |
| 07/14/1993 | EP0551088A1 Peristaltic pumping apparatus having an improved misloaded IV tube detecting circuit |
| 07/07/1993 | EP0549807A1 Sensor for force, acceleration and magnetism using piezoelectric devices |
| 07/07/1993 | CA2086457A1 Peristaltic pumping apparatus having an improved misloaded iv tube detecting circuit |
| 07/06/1993 | US5225705 Semiconductor stress sensor mesfet or mesfet array |
| 07/06/1993 | US5225377 Method for micromachining semiconductor material |
| 07/06/1993 | US5225373 Method of manufacturing semiconductor pressure sensor device with two semiconductor pressure sensor chips |
| 07/06/1993 | US5224385 Method for obtaining electrical signals correlated with the position of a mass of mercury in instruments and the like |
| 07/06/1993 | US5224384 Resistive strain gauge pressure sensor |
| 07/06/1993 | US5224383 Melt pressure measurement and the like |
| 07/06/1993 | CA1319838C Pressure transducer |
| 07/06/1993 | CA1319830C Pump pressure sensor |
| 07/01/1993 | DE4301077A1 Pressure and/or force sensor using loss-free thermodynamic method - contains sensor chamber filled mainly with hydrogen@ to form metal-hydrogen@ cell |
| 07/01/1993 | DE4244450A1 Capacitive pressure sensor - contains electrodes mounted on electrically insulating substrates one of which has recess for housing the electrodes |
| 06/30/1993 | EP0549346A2 Piezoelectric fluid pressure sensor |
| 06/30/1993 | EP0549229A2 Capacitance pressure transducer |
| 06/30/1993 | EP0548470A1 Pressure transducer having a diaphragm of semi-conductive material |
| 06/30/1993 | CN2137365Y Intellectual meteorograph |
| 06/29/1993 | US5223444 Etching semiconductor layer on insulating support to form two connection zones and intermediate zone locally doped to confer piezoresistive properties |
| 06/29/1993 | US5222397 Pressure sensor |
| 06/24/1993 | WO1993012410A1 Piezoresistive silicon pressure sensor design |
| 06/23/1993 | EP0548043A2 Pressure sensor |
| 06/23/1993 | EP0547174A1 Ceramic capacitance high pressure fluid sensor |
| 06/23/1993 | EP0423273B1 Process and arrangement for piezoelectric measurement |
| 06/22/1993 | US5221873 Pressure transducer with quartz crystal of singly rotated cut for increased pressure and temperature operating range |
| 06/22/1993 | US5220838 Overpressure-protected, differential pressure sensor and method of making the same |
| 06/22/1993 | US5220836 Method and arrangement for piezoelectric measurement |
| 06/22/1993 | CA1319268C Multiple diaphragm probe seal |
| 06/22/1993 | CA1319267C Transmitter with internal serial bus |
| 06/16/1993 | CN2136466Y Semiconductor pressure transducer |
| 06/15/1993 | US5220305 Semiconductor pressure sensor |
| 06/15/1993 | US5219041 Differential pressure sensor for screw compressors |
| 06/10/1993 | WO1993011415A1 Capacitive manometer with a highly linear response |
| 06/10/1993 | WO1993011414A1 Amplified pressure transducer |
| 06/10/1993 | CA2101068A1 Pressure-measuring arrangement with high linearity |
| 06/09/1993 | EP0545403A2 Speech signal encoding system capable of transmitting a speech signal at a low bit rate |
| 06/09/1993 | EP0545319A2 Semiconductor pressure sensor having double diaphragm structure |
| 06/09/1993 | EP0544934A1 Method of stabilizing the surface properties of objects to be thermally treated in a vacuum |
| 06/09/1993 | EP0427794B1 Device for measuring mechanical deformation |
| 06/09/1993 | EP0414871B1 Capacitive pressure sensor, and process for the manufacture of the same |
| 06/08/1993 | US5218197 Method and apparatus for the non-invasive measurement of pressure inside pipes using a fiber optic interferometer sensor |
| 06/03/1993 | DE4142101A1 Druckmessanordnung mit hoher linearitaet Pressure gage with high linearity |
| 06/01/1993 | US5214961 Pressure sensor |
| 06/01/1993 | CA1318725C Piezoelectric sensor |
| 06/01/1993 | CA1318724C Vibrating strip transducer |
| 06/01/1993 | CA1318521C Vibrating type transducer and manufacturing process thereof |
| 05/27/1993 | WO1993010430A1 Silicon chip for use in a force-detection sensor |
| 05/27/1993 | DE4239132A1 Integrated pressure sensor prodn. - comprising forming diaphragm on silicon wafer, connecting to socket, semi-cutting socket, adjusting resistance, and completely cutting wafer |
| 05/26/1993 | EP0543430A2 Pressure sensor and method of assembly thereof |
| 05/25/1993 | US5212989 Pressure sensor |
| 05/25/1993 | US5212988 Plate-mode ultrasonic structure including a gel |
| 05/19/1993 | EP0541671A1 Method and apparatus for measuring intracranial pressure |
| 05/19/1993 | EP0541587A1 Fibre-optical pressure sensor. |
| 05/19/1993 | DE4137624A1 Silizium-chip zur verwendung in einem kraftsensor Silicon chip for use in a force sensor |
| 05/18/1993 | US5211058 Capacitive pressure sensor and method of manufacturing the same |
| 05/13/1993 | DE4207950C1 Capacitative differential pressure sensor - has two carrier plates of monocrystalline silicon@ with flat recesses etched to form measuring chamber by facing diaphragm plate of boron silicate glass |
| 05/13/1993 | DE4136995A1 Capacitive pressure sensor with reference pressure chamber and electrodes - is constructed from electrically insulated baseplate and insulated diaphragm which are arranged mutually parallel and are connected together at their end regions |
| 05/12/1993 | EP0541455A1 Method of converting impedance ratios applicable particularly for industrial pressure transmitters |
| 05/12/1993 | EP0362364B1 Electronic transducer and assembling method |
| 05/11/1993 | US5209125 Piezoelectric pressure sensor |
| 05/11/1993 | US5209122 Pressurer sensor and method for assembly of same |
| 05/11/1993 | US5209121 Pressure sensor |
| 05/11/1993 | US5209120 Semiconductor pressure-detecting apparatus |
| 05/11/1993 | US5209119 Microdevice for sensing a force |
| 05/11/1993 | US5209118 Semiconductor transducer or actuator utilizing corrugated supports |
| 05/11/1993 | CA1317482C Device for chronic measurement of internal body pressure |
| 05/11/1993 | CA1317480C Input/output terminal assembly for flexure-type pressure transducers |
| 05/05/1993 | EP0540407A2 Device for measuring parameters, in particular parameters relating to the wheels of aeroplanes or vehicles |
| 05/05/1993 | EP0539458A1 Device for detecting a variation in a pressure being monitored |
| 05/04/1993 | US5207767 Capacitor and pressure transducer |
| 05/04/1993 | US5207103 Ultraminiature single-crystal sensor with movable member |
| 05/04/1993 | US5207102 Semiconductor pressure sensor |
| 04/29/1993 | WO1993008479A1 Method and apparatus for capacitance temperature compensation and manufacturability in a dual plate capacitive pressure transmitter |
| 04/29/1993 | CA2119437A1 Method and apparatus for capacitance temperature compensation and manufacturability in a dual plate capacitive pressure transmitter |
| 04/27/1993 | CA1317034C Fabrication of oxynitride frontside microstructures |
| 04/22/1993 | DE4227893A1 Differential pressure sensor e.g. for vehicle fuel tank - contains two semiconducting membranes with sensor elements on upper sides in common reference chamber, lower sides exposed to different pressures |
| 04/21/1993 | EP0537190A1 Piezoresistive pressure transducer |
| 04/15/1993 | WO1993007463A1 Plate-mode ultrasonic structure including a gel |
| 04/15/1993 | WO1993007457A1 Pressure sensor |
| 04/15/1993 | DE4207952C1 Capacitative differential pressure sensor for simple mfr. - comprises silicon diaphragm with edges having thinned areas, leaving central area, pressure input channels aligned with thickened edge region, and flat recesses |
| 04/15/1993 | DE4133061A1 Drucksensor Pressure sensor |
| 04/13/1993 | US5202681 Integral transducer housing and method |
| 04/13/1993 | US5201228 Pressure sensor |
| 04/13/1993 | CA1316013C Method and apparatus for testing a vehicle anti-skid brake system |
| 04/13/1993 | CA1316010C Absolute capacitance manometers |
| 04/07/1993 | EP0535787A1 Dual capacitor device for measurement purposes |
| 04/07/1993 | EP0370003B1 Sensor construction |
| 04/07/1993 | CN2129429Y Gravimetric-type intelligent displaying flow-regulating deivce |
| 04/06/1993 | US5200610 Fiber optic microphone having a pressure sensing reflective membrane and a voltage source for calibration purpose |
| 04/06/1993 | US5200363 Silicon chip bonded to glass having bores filled with conductive paste |
| 04/06/1993 | US5199303 Pressure sensor for determination of pressure in the combustion chamber of an internal combustion engine |
| 04/06/1993 | CA1315648C Polysilicon thin film process and product |
| 04/04/1993 | CA2070926A1 Capacitor and pressure transducer |
| 04/01/1993 | DE4231326A1 Pressure-detecting silicon chip for semiconductor pressure sensor - has square array of piezoelectric elements in bridge circuit insensitive to offset in deformation of diaphragm |
| 04/01/1993 | DE4231325A1 Encapsulated semiconductor pressure sensor conductor and support arrangement - includes arms sloping downwards, bonded to chip base, permitting high level electrical connections |
| 04/01/1993 | DE4207949C1 Capacitative differential pressure sensor of glass-silicon@ type - has second pressure supply channel communicating with first but offset in covering plate |
| 03/31/1993 | EP0502197A4 Method and device for determining physical state parameters of a medium |
| 03/31/1993 | EP0303615B1 Measurement circuit |