| Patents for G01L 13 - Devices or apparatus for measuring differences of two or more fluid pressure values (2,634) |
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| 04/12/2005 | CA2377540C Regulator diagnostics system and method |
| 04/12/2005 | CA2313313C Relative pressure sensor |
| 04/07/2005 | US20050072243 Process seal for process control transmitter |
| 03/24/2005 | DE10337200A1 Pressure difference transducer for heating systems compares signals for different measurement chamber valve positions |
| 03/24/2005 | DE10334853A1 Differenzdruckaufnehmer Differential pressure |
| 03/17/2005 | DE4202144B4 Differenzdruckschalter Differential pressure switch |
| 03/16/2005 | CN1596367A 压力传感器 Pressure Sensor |
| 03/10/2005 | WO2004090494A3 Relative pressure transducer |
| 03/03/2005 | WO2005019787A1 Pressure differentiator |
| 03/03/2005 | WO2005019785A2 Capacitive sensor |
| 03/02/2005 | CN1589396A Physical quantity measuring method and its device |
| 03/01/2005 | CA2141689C Pedestal mount capacitive pressure sensor |
| 02/24/2005 | WO2005017481A1 Differential pressure sensor comprising an overload membrane that has the shape of an annular disk |
| 02/17/2005 | DE10330414A1 Verfahren zur Messung eines Drucks A method for measuring a pressure |
| 02/15/2005 | US6854318 Method and apparatus of nondestructive testing a sealed product for leaks |
| 02/10/2005 | DE10326249A1 Messeinrichtung Measuring device |
| 02/09/2005 | CN1188677C Differential pressure sensor |
| 01/27/2005 | US20050016286 Capacitive pressure transmitter |
| 01/20/2005 | US20050011270 Differential pressure sensor |
| 01/18/2005 | US6843133 Capacitive pressure transmitter |
| 01/13/2005 | WO2005002891A1 Method for measuring pressure |
| 01/11/2005 | US6840112 Differential pressure/pressure transmitter |
| 01/11/2005 | US6840110 Apparatus to measure differential pressure with settable pressure reference |
| 01/05/2005 | EP1494004A1 Differential pressure sensor |
| 12/16/2004 | US20040254748 Measuring device |
| 12/09/2004 | US20040246489 Physical quantity measuring method and device therefor |
| 12/01/2004 | EP1119751B1 Bearing with integral transformer |
| 11/23/2004 | US6820501 Differential static pressure measuring and activating device and control mechanism |
| 11/23/2004 | US6820491 Pressure differential measuring tool |
| 11/10/2004 | CN2655213Y Pressure differential sensing system for detecting blocking state of filter |
| 11/09/2004 | US6813954 High sensitivity pressure sensor with long term stability |
| 11/09/2004 | US6813953 Pressure sensor with a corrosion-resistant diaphragm |
| 11/04/2004 | WO2004094976A1 Apparatus to measure differential pressure with settable pressure reference |
| 11/04/2004 | CA2484338A1 Apparatus to measure differential pressure with settable pressure reference |
| 10/21/2004 | WO2004090494A2 Relative pressure transducer |
| 10/21/2004 | DE10316033A1 Relativdruckmeßumformer Relativdruckmeßumformer |
| 10/20/2004 | CN2650100Y Differiential pressure sensor overload protective device |
| 10/20/2004 | CN2650098Y 孔隙水压力测量传感器 Pore water pressure measurement sensor |
| 10/13/2004 | CN1537223A 压力传感器 Pressure Sensor |
| 10/12/2004 | CA2325797C Pressure measuring device |
| 10/07/2004 | US20040199391 Portable voice/letter processing apparatus |
| 10/06/2004 | EP1463927A2 Relative pressure sensor |
| 09/30/2004 | US20040187588 Pressure sensor |
| 09/28/2004 | US6796185 Differential pressure/pressure transmitter |
| 09/22/2004 | EP1459045A1 Pressure mediator with separating membrane and method for the production thereof |
| 09/16/2004 | US20040177697 Pressure sensor having casing with groove |
| 09/15/2004 | EP1386129B1 Device comprising a wet filter containing a hydrophobic or hydrophobicized nanoporous material |
| 09/02/2004 | WO2004074802A1 Super-precise micro-differential pressure measuring device and super-precise differential pressure measuring device |
| 09/02/2004 | CA2516387A1 Super-precise micro-differential pressure measuring device and super-precise differential pressure measuring device |
| 09/01/2004 | EP1451546A1 Pressure sensing device for rheometers |
| 08/25/2004 | EP1448968A1 Pressure sensor |
| 08/12/2004 | WO2004068096A1 Semiconductor pressure sensor and process for fabricating the same |
| 07/28/2004 | EP1079221B1 Pressure sensor and door opening/closure monitoring system |
| 07/14/2004 | EP1436583A1 Sensor with fluid isolation barrier |
| 07/14/2004 | EP1299701B1 Differential pressure sensor |
| 07/14/2004 | EP0931250B1 Cell for converting differential pressure into an electric signal |
| 07/14/2004 | CN2625872Y Manometric signal generator |
| 07/14/2004 | CN1512141A Differential/pressure transmitter |
| 07/08/2004 | WO2004057291A1 Differential pressure sensor |
| 07/08/2004 | US20040129084 Differential pressure/pressure transmitter |
| 07/08/2004 | DE19843551B4 Vorrichtung zum Messen von Druckdifferenzen Device for measuring pressure differences |
| 07/07/2004 | CN2624198Y Intelligent differential pressure transmitter |
| 07/07/2004 | CN1511252A High sensitivity pressure sensor with long term stability |
| 07/01/2004 | US20040128099 Dual sensor process temperature switch having a high-diagnostic one-out-of-two voting architecture |
| 06/17/2004 | WO2004013579A3 Differential static pressure measuring device |
| 06/17/2004 | DE10255543A1 Differential or absolute pressure sensor comprising silicon support plates sandwiching a silicon membrane plate that are bonded together at a temperature between 300 and 500 degrees centigrade |
| 06/03/2004 | US20040105215 Capacitive differential pressure sensor |
| 06/02/2004 | CN1502039A Device with moisture filter |
| 06/01/2004 | US6744258 Capacitive sensor apparatus |
| 05/27/2004 | US20040099061 Pressure sensor for detecting small pressure differences and low pressures |
| 05/26/2004 | CN1151368C Course pressure measuring device with improved error compensation |
| 05/13/2004 | DE10249238A1 Micro-mechanical differential pressure sensor, has two pressure measurement cavities linked by a channel and filled with incompressible liquid, with each covered by a membrane that deflects to enable pressure measurement |
| 05/12/2004 | EP1418413A2 Process pressure measurement devices with improved error compensation |
| 05/12/2004 | CN1149391C Bearing with integral transformer |
| 04/29/2004 | US20040079159 Micromechanical pressure sensor device and corresponding measurement system |
| 04/28/2004 | EP1413868A2 Process pressure measurement |
| 04/28/2004 | EP1413867A2 Process pressure measurement with improved error compensation |
| 04/28/2004 | EP1413866A2 Process pressure measurement devices with improved error compensation |
| 04/28/2004 | EP1413865A2 Process pressure measurement devices with improved error compensation |
| 04/27/2004 | US6725725 Micromechanical differential pressure sensor device |
| 04/14/2004 | EP1408317A2 Process pressure measurement devices with improved error compensation |
| 04/08/2004 | US20040065153 Pressure differential measuring tool |
| 03/25/2004 | US20040055386 Differential pressure signaling device and method employing a magnetoresistive sensor |
| 03/16/2004 | US6705761 Bearing with integral transformer |
| 03/10/2004 | EP1395802A1 High sensitivity pressure sensor with long term stability |
| 03/09/2004 | US6704682 Dual sensor process pressure switch having high-diagnostic one-out-of-two voting architecture |
| 03/04/2004 | US20040040384 Differential pressure/pressure transmitter |
| 03/04/2004 | DE19536646B4 Verfahren zur Erkennung von Betankungsvorgängen an einem Kraftstofftank eines Fahrzeugs Method for detecting refueling operations on a fuel tank of a vehicle |
| 03/03/2004 | EP1394522A2 Differential pressure/pressure transmitter |
| 03/03/2004 | CN1479861A Sapphire pressure sensor beam with gold Germanium isolation braze joint |
| 03/03/2004 | CN1140784C Pressure sensor having tensioned diaphragm |
| 02/24/2004 | US6694818 Pressure sensor having semiconductor sensor chip |
| 02/19/2004 | DE10234754A1 Differenzdrucksensor mit symmetrischem Trennkörperfehler Differential pressure sensor with balanced separator error |
| 02/12/2004 | WO2004013594A1 Differential pressure sensor comprising a symmetric error in the separating bodies |
| 02/12/2004 | WO2004013579A2 Differential static pressure measuring device |
| 02/12/2004 | US20040025594 Capacitive pressure transmitter |
| 02/12/2004 | CA2491261A1 Differential static pressure measuring device |
| 02/05/2004 | US20040020304 Differential static pressure measuring device |
| 02/04/2004 | EP1386129A1 Device comprising a wet filter containing a hydrophobic or hydrophobicized nanoporous material |
| 01/29/2004 | DE4442326B4 Verfahren und Vorrichtung zur Ermittlung einer Druckgröße Method and apparatus for determining a pressure variable |