| Patents for G01L 13 - Devices or apparatus for measuring differences of two or more fluid pressure values (2,634) |
|---|
| 08/26/1999 | CA2320867A1 Differential pressure sensor |
| 08/19/1999 | DE19741037C1 Method of correcting a pressure difference signal from a measurement transducer |
| 07/28/1999 | EP0931250A1 Cell for converting differential pressure into an electric signal |
| 07/20/1999 | US5925824 Capacitive differential pressure detector |
| 07/14/1999 | EP0672239B1 Pedestal mount capacitive pressure sensor |
| 07/13/1999 | US5922965 Pressure sensor and transmitter having a weld ring with a rolling hinge point |
| 07/01/1999 | WO1999032866A2 A pressure sensor and a method of manufacturing a pressure sensor |
| 06/10/1999 | WO1999028720A1 Pressure transducer having a tensioned diaphragm |
| 06/10/1999 | DE19750131A1 Mikromechanische Differenzdrucksensorvorrichtung Micro-mechanical differential pressure sensor device |
| 06/10/1999 | CA2286779A1 Pressure transducer having a tensioned diaphragm |
| 05/27/1999 | WO1999026048A1 Micromechanical differential pressure sensor device |
| 05/20/1999 | WO1999024140A1 Filter bed differential pressure monitoring system |
| 04/08/1999 | WO1999017088A1 Method for filling the measuring chamber of a transducer measuring pressure or pressure differential with a pressure transmission liquid and a pressure or pressure differential measuring transducer |
| 04/07/1999 | EP0906559A1 Impulse line blockage detector systems and methods |
| 03/30/1999 | US5889212 Dual chamber differential pressure transducer with multiple inlet and outlet ports |
| 03/17/1999 | EP0720733B1 Pressure transmitter with isolation diaphragm |
| 03/11/1999 | WO1999012013A1 Separating membrane system for a pressure transducer, with a wave crest edge and a pre- and post-cut membrane |
| 03/10/1999 | EP0901000A2 Message processing system and method for processing messages |
| 03/04/1999 | DE19738704A1 Verfahren zum Herstellen einer Trennmembrananordnung und eine Trennmembrananordnung für einen Druckmeßumformer A method for manufacturing a separation membrane assembly and a membrane separation assembly for a pressure transducer |
| 01/27/1999 | EP0864076A4 Improved fluid pressure measuring system for control valves |
| 01/20/1999 | CN1205768A System for measuring differential pressure, flow, and level |
| 01/19/1999 | CA2019731C Pressure/differential pressure measuring device |
| 12/23/1998 | CN1041353C Modular transmitter with flame arresting header |
| 12/03/1998 | DE19744208C1 Pressure measuring transducer manufacture |
| 11/26/1998 | DE19716897C1 Dosing unit for fluids |
| 11/19/1998 | DE19720577A1 Differential measuring unit for determining pressure difference between inlet and outlet side of filter |
| 11/03/1998 | US5830180 Fluid management system for arthroscopic surgery |
| 10/21/1998 | CN2295208Y 差压表 Differential pressure gauge |
| 10/07/1998 | EP0868653A1 System for measuring differential pressure, flow, and level |
| 09/16/1998 | EP0864076A2 Improved fluid pressure measuring system for control valves |
| 09/16/1998 | CN2291655Y Wind pressure measuring device |
| 09/08/1998 | US5804735 Differential pressure transducer unit with an overload protection system |
| 09/03/1998 | WO1998038484A1 Pressure differential measuring transducer |
| 09/02/1998 | CN1192272A Magnetic relative position transducer |
| 08/26/1998 | CN1191602A Pressure sealed housing apparatus and methods |
| 08/25/1998 | US5798462 Magnetic position sensor with magnetic field shield diaphragm |
| 08/20/1998 | DE19706385A1 Volumetric ratio determination method, e.g. for IC engine compression ratio |
| 08/20/1998 | DE19706036A1 Arrangement with at least two housing parts e.g. hermetically sealed housing and pressure difference (convertor) measurement transducer |
| 08/04/1998 | US5788642 In vivo rezero apparatus for a pressure transducer |
| 07/01/1998 | EP0642658B1 Pressure transducer |
| 06/09/1998 | US5763784 For measuring differential pressure in a process medium |
| 05/28/1998 | DE19647967A1 Pump esp. motor driven centrifugal pump with sensor determining pressure differences |
| 05/26/1998 | US5756899 Integrated sensor |
| 05/20/1998 | EP0830577A4 Magnetic relative position transducer |
| 05/13/1998 | EP0840884A1 Dynamometric detector device and method for bearings |
| 04/16/1998 | WO1998015808A1 Cell for converting differential pressure into an electric signal |
| 04/16/1998 | CA2268351A1 Cell for converting differential pressure into an electric signal |
| 04/14/1998 | CA2056462C In field settable differential pressure switch assembly for low fluid pressure applications |
| 04/08/1998 | EP0834487A1 Method for joining ceramic alumina solids |
| 04/02/1998 | DE19709846C1 Pressure difference measuring transducer |
| 04/01/1998 | CN2277520Y Zero setting direct reading U-shape pressure gauge |
| 03/25/1998 | EP0830577A1 Magnetic relative position transducer |
| 03/18/1998 | EP0829004A1 Pressure sealed housing apparatus and methods |
| 03/18/1998 | CN1176693A Pressure sensors and pressure transmitters |
| 03/17/1998 | US5728942 Fluid pressure measuring system for control valves |
| 03/10/1998 | US5726579 Differential capacitance detector |
| 03/04/1998 | EP0826953A2 Processing module for a capacitive pressure sensor |
| 02/26/1998 | DE19740244A1 Thin film differential pressure sensor unaffected by acceleration |
| 02/11/1998 | CN1172949A Capacitive differential pressure detector |
| 01/22/1998 | WO1998002205A1 Improved fluid management system for arthroscopic surgery |
| 01/22/1998 | CA2261049A1 Improved fluid management system for arthroscopic surgery |
| 01/21/1998 | EP0689668B1 Pressure difference measurement converter |
| 01/15/1998 | WO1998001731A1 Pressure transducer with error compensation |
| 01/06/1998 | US5705751 Magnetic diaphragm pressure transducer with magnetic field shield |
| 12/31/1997 | CN1168969A Integrated sensor |
| 12/24/1997 | WO1997048974A1 Impulse line blockage detector systems and methods |
| 12/17/1997 | EP0812413A1 Pressure sensors and pressure transmitters |
| 12/10/1997 | EP0811831A1 Single-sided differential pressure sensor |
| 12/09/1997 | US5695590 Anodic bonding method for making pressure sensor |
| 12/02/1997 | US5693926 Differential pressure indicators |
| 10/22/1997 | CN1162991A Differential pressure transmitter |
| 10/21/1997 | US5680109 Impulse line blockage detector systems and methods |
| 10/21/1997 | US5679902 Surface-micromachined symmetrical differential pressure sensor with electrodes patterned into multiple conducting areas |
| 10/15/1997 | EP0717836A4 Media-isolated differential pressure sensor |
| 09/30/1997 | US5672826 Semiconductor pressure sensor |
| 09/09/1997 | US5665920 Device with exchangeable sealing element for measuring pressure or differential pressure |
| 09/02/1997 | US5662388 Method and device for identifying a pressure variable |
| 08/12/1997 | US5656782 Pressure sealed housing apparatus and methods |
| 08/07/1997 | WO1997021984A3 Improved fluid pressure measuring system for control valves |
| 08/06/1997 | EP0636243B1 Modular transmitter with flame arresting header |
| 07/15/1997 | US5647793 Apparatus and method for preventing sudden changes of pressure in vehicles |
| 06/26/1997 | WO1997022855A1 System for measuring differential pressure, flow, and level |
| 06/19/1997 | WO1997021984A2 Improved fluid pressure measuring system for control valves |
| 06/10/1997 | US5637802 Capacitive pressure sensor for a pressure transmitted where electric field emanates substantially from back sides of plates |
| 06/04/1997 | EP0776468A2 Differential pressure transmitter |
| 06/03/1997 | US5635649 Multi-function differential pressure sensor with thin supporting base |
| 05/21/1997 | EP0774652A2 Coplanar pressure sensor mounting for remote sensor |
| 05/14/1997 | EP0574539B1 Line pressure compensator for a pressure transducer |
| 04/23/1997 | EP0628160B1 Procedure for batch production of pressure difference sensors |
| 04/22/1997 | US5623102 Three wafer semiconductor pressure-difference sensor and method for manufacture separating middle wafer into conducting diaphragm and web |
| 04/16/1997 | EP0768060A1 Disposable differential pressure transducer |
| 04/15/1997 | US5621175 Differential pressure transmitter having symmetrical construction |
| 04/11/1997 | CA2185270A1 Swivel-type static pressure bar adapter |
| 04/03/1997 | DE19536646A1 Method of filling containers esp. motor vehicle fuel tanks |
| 02/19/1997 | CN2247804Y Supersonic digital micro-pressure difference meter |
| 02/11/1997 | US5602373 Differential pressure switch with an adjusting piston driven by a restoring spring for an oil-separating air filter |
| 02/11/1997 | US5602338 Differential pressure detecting apparatus |
| 02/06/1997 | WO1997004295A1 Dynamometric detector device and method for bearings |
| 01/28/1997 | US5598356 Displacement converting device and method for measuring pressure differences using same |
| 01/22/1997 | CN1140836A Semiconductor differential pressure measuring device |