Patents for G01L 13 - Devices or apparatus for measuring differences of two or more fluid pressure values (2,634) |
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08/11/1994 | DE4402085A1 Kapazitiver, an seiner Oberfläche mikrobearbeiteter Differenzdrucksensor und Verfahren zu dessen Herstellung Capacitive, micro-machined on its surface differential pressure sensor and method for its production |
08/04/1994 | WO1994017383A1 Pressure sensor |
08/03/1994 | EP0608355A1 Method and apparatus for capacitance temperature compensation and manufacturability in a dual plate capacitive pressure transmitter |
07/26/1994 | US5332469 Capacitive surface micromachined differential pressure sensor |
07/19/1994 | US5329818 Correction of a pressure indication in a pressure transducer due to variations of an environmental condition |
06/28/1994 | US5323656 Overpressure-protected, polysilicon, capacitive differential pressure sensor and method of making the same |
06/23/1994 | DE4244257A1 Pressure and difference pressure measuring transducer |
06/14/1994 | US5319981 Differential pressure device |
06/01/1994 | EP0370013B1 Isolator apparatus |
05/25/1994 | CN2166435Y Head loss measuring apparatus for filter chamber |
05/18/1994 | CN1024592C Transducer for Measuring pressure |
05/11/1994 | DE4333753A1 Capacitive difference pressure sensor - has carrier supporting counter-electrodes between facing membranes carrying capacitor electrodes |
05/04/1994 | CN2164036Y 位移式测量压力传感器 Displacement sensors to measure pressure |
04/27/1994 | EP0593676A1 Method and apparatus for measurement of forces and pressures using tensioned bellows |
04/27/1994 | EP0177491B2 Pressure compensated differential pressure sensor and method |
03/30/1994 | CN2160113Y Pressure difference meter |
03/17/1994 | WO1994005988A1 Pedestal mount capacitive pressure sensor |
03/16/1994 | CN2159020Y Combined gas micro-pressure gauge |
02/22/1994 | US5287746 Modular transmitter with flame arresting header |
02/16/1994 | EP0494926B1 Capacitive pressure transducer system |
02/03/1994 | WO1993024818A3 Correction for a pressure transducer |
01/26/1994 | EP0580475A1 Device for measuring the flow rate of a liquid |
01/25/1994 | US5281922 Method for capacitance temperature compensation and manufacturability in a dual plate capacitive pressure transmitter |
01/19/1994 | EP0579536A1 Device and method to suppress sudden pressure changes in vehicles, in particular land vehicles |
01/11/1994 | US5277068 Capacitive pressure sensor and method of manufacturing the same |
12/09/1993 | WO1993024818A2 Correction for a pressure transducer |
12/09/1993 | CA2133732A1 Correction for a pressure transducer |
12/08/1993 | CN1079298A Correction for a pressure transducer |
11/23/1993 | CA1324498C Pressure transmitter assembly |
11/18/1993 | EP0569899A1 An overpressure-protected, polysilicon, capacitive differential pressure sensor and method of making the same |
11/13/1993 | CA2095783A1 Overpressure-protected, polysilicon, capacitive differential pressure sensor and method of making the same |
11/11/1993 | WO1993022643A1 Method and apparatus for measurement of forces and pressures using tensioned bellows |
11/10/1993 | CN2145995Y Complex differential pressure meter |
11/02/1993 | US5257546 Pressure measuring sensor |
10/28/1993 | WO1993021506A1 Modular transmitter with flame arresting header |
10/28/1993 | CA2118009A1 Modular transmitter with flame arresting header |
10/20/1993 | CN1077531A Modular transmitter with flame arresting header |
10/13/1993 | EP0565271A1 Differential pressure transducer assembly |
09/29/1993 | EP0316343B1 Media isolated pressure sensors |
09/28/1993 | CA2091625A1 Differential pressure transducer assembly |
09/28/1993 | CA1322472C Isolator apparatus |
09/08/1993 | CN2141893Y Vernier chattock gauge |
09/07/1993 | CA1321891C Differential pressure detector |
09/02/1993 | WO1993017313A1 Pressure difference sensor |
09/02/1993 | DE4206675A1 Druckdifferenz-sensor Differential pressure sensor |
08/17/1993 | US5237285 Method and apparatus for capacitance temperature compensation and manufacturability in a dual plate capacitive pressure transmitter |
07/21/1993 | EP0164413B2 Pressure transducer |
07/20/1993 | CA1320453C Adapter assembly for filter arrangement |
06/22/1993 | US5220838 Overpressure-protected, differential pressure sensor and method of making the same |
06/22/1993 | US5220837 Differential pressure transducer assembly |
06/09/1993 | CN2135777Y Float type micro pressure different measurer |
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 |
04/22/1993 | 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 |
03/02/1993 | US5189777 Method of producing micromachined differential pressure transducers |
02/17/1993 | CN2127171Y High-pressure micro-difference pressure sensor |
02/09/1993 | US5185709 Apparatus and method for measuring pressure changes within pressure vessels |
12/09/1992 | CN1066922A Pressure sensor with high modulus support background of invention |
12/08/1992 | US5168753 Measuring device for detecting parameters charterizing the operating behavior of hydraulic assembles |
12/01/1992 | US5168525 Boundary-layer microphone |
11/24/1992 | CA1310515C Differential pressure gauge transmitter |
11/17/1992 | US5163326 Line pressure compensator for a pressure transducer |
11/11/1992 | CN1066124A Multi-function differential pressure sensor |
11/10/1992 | CA1309878C Dual sided pressure sensor |
11/04/1992 | EP0323963B1 Flangeless transmitter coupling to a flange adapter union |
10/27/1992 | US5157972 Pressure sensor with high modules support |
10/15/1992 | WO1992017757A1 Differential pressure device |
10/15/1992 | WO1992017756A1 Pressure sensor with high modulus support |
10/15/1992 | CA2105483A1 Pressure sensor with high modulus support |
10/14/1992 | EP0508517A2 Compensated differential pressure transducer |
10/14/1992 | CN1065334A Modular pressure instrument |
10/06/1992 | US5153823 Device to measure and/or control flow-through and/or quantity of heat |
09/30/1992 | EP0506491A2 An overpressure-protected differential pressure sensor and method of making the same |
09/30/1992 | CN1018478B Sensor manometric box for testing pressure |
09/17/1992 | WO1992015850A1 Line pressure compensator for a pressure transducer |
09/17/1992 | CA2101440A1 Line pressure compensator for a pressure transducer |
08/25/1992 | CA1306616C Flangeless transmitter coupling to a flange adapter union |
08/20/1992 | DE4104811A1 Differential pressure measurement cell with two membranes - has flexural element with fluid connection to transfer vol. region via gap designed for ignition and combustion safety |
08/18/1992 | US5138886 Electronic manometer |
08/13/1992 | DE4101147A1 System for measuring smallest pressure differences for pref. mobile application - using inclined tube manometer with its reservoir and manometer tube connected to measurement object for supplying pressure across separate measuring line |
08/11/1992 | US5138155 Pressure gauge with fiber optic sensor |
07/22/1992 | EP0494926A1 Capacitive pressure transducer system. |
07/14/1992 | CA1304957C Dual bourdon tube type sensing pressure transducer |
07/01/1992 | EP0492279A1 Measuring device for establishing characteristic magnitudes which display the working of hydraulic systems |
06/30/1992 | US5125753 Device to measure flow-through and/or quantity of heat |
06/25/1992 | WO1992010731A1 Pressure transmitter with stress isolation depression |
06/24/1992 | CN1062208A Pressure transmitter with stress isolation depression |
06/17/1992 | EP0490486A2 Micromachined differential pressure transducers and method of producing the same |
06/07/1992 | CA2094924A1 Pressure transmitter with stress isolation depression |
05/26/1992 | US5115675 Tensioned bellows pressure transducer |
05/19/1992 | CA1300925C Media isolated differential pressure sensors |
05/12/1992 | US5111698 Differential pressure measuring apparatus |
04/07/1992 | US5101665 Semiconductor pressure sensor |
03/24/1992 | US5097712 Differential pressure measuring apparatus |
03/10/1992 | US5094109 Pressure transmitter with stress isolation depression |
03/10/1992 | CA1296917C Differential pressure sensor |
03/03/1992 | US5092178 Differential pressure sensor mechanisms |
02/18/1992 | US5089214 Apparatus for monitoring the pressure within a cask containing radioactive material |
02/05/1992 | CN1058484A Apparatus and method for monitoring pressure within cask containing potentially hazardous gas |
01/29/1992 | EP0468233A2 Cask for storage or transport of radioactive materials |