Patents for G01L 13 - Devices or apparatus for measuring differences of two or more fluid pressure values (2,634) |
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01/02/2003 | EP1269136A1 Differential-pressure measuring cell |
12/26/2002 | US20020194918 Differential pressure sensor |
12/19/2002 | US20020190865 Pressure sensor and door opening/closure monitoring system |
12/18/2002 | CN1096606C Capacitive pressure sensors or pressure differential sensors |
12/05/2002 | WO2002097387A1 High sensitivity pressure sensor with long term stability |
11/28/2002 | WO2002095728A1 Portable voice/letter processing apparatus |
11/28/2002 | US20020174706 High sensitivity pressure sensor with long term stability |
11/28/2002 | DE10221931A1 Sensor module for transmitter in industrial fluid processing plant, has rotary coaxial electrical contacts which connect bus adapter and conductors of sensing circuit |
11/26/2002 | US6484586 Differential pressure transducer |
11/14/2002 | WO2002090916A1 Device comprising a wet filter containing a hydrophobic or hydrophobicized nanoporous material |
11/14/2002 | DE10122511A1 Relativdrucksensor mit Feuchtefilter Relative pressure sensor with humidity filter |
11/07/2002 | WO2002088655A1 Capacitive differential pressure sensor |
11/06/2002 | EP1254357A1 Optical pressure sensor |
11/06/2002 | EP1254356A1 Oil-less differential pressure sensor |
10/31/2002 | US20020157455 Method and apparatus of nondestructive testing a sealed product for leaks |
10/24/2002 | WO2001059419A9 Optical pressure sensor |
10/23/2002 | EP0776468B1 Differential pressure transmitter |
10/10/2002 | WO2002079742A1 Independent-excitation cross-coupled differential-pressure transducer |
10/10/2002 | DE10117142A1 Capacitive differential pressure sensor incorporates correction of calculated differential pressure for eliminating dependency on network pressure |
10/02/2002 | EP1244898A1 Sapphire pressure sensor beam with gold germanium isolation braze joint |
10/02/2002 | DE10113291A1 Pressure measuring unit comprises a housing with two pressure chambers, and an axially movable rod with a carrier element which is axially compliant but radially stiff |
09/26/2002 | US20020134163 Independent-excitation cross-coupled differential-pressure transducer |
09/25/2002 | EP1009986B1 Pressure transducer with error compensation |
09/25/2002 | CN1371494A Regulator diagnostics system and method |
09/25/2002 | CN1371493A Regulator flow measurement apparatus |
09/12/2002 | DE10101180A1 Differenzdrucksensor und Verfahren zur Differenzdruckmessung Differential pressure sensor and method for differential pressure measurement |
09/11/2002 | CN1090823C Semicondctor composition sensor and differential pressure sender |
08/29/2002 | WO2000034744A9 Adjustable bandwidth filter for process variable transmitter |
08/28/2002 | CN1089895C Semiconductor differential pressure measuring device |
08/27/2002 | US6441744 Regulator diagnostics system and method |
08/22/2002 | WO2002065083A1 Product leak testing |
08/15/2002 | US20020108447 Differential pressure sensor and method of differential pressure measurement |
08/01/2002 | US20020100333 Sensor with fluid isolation barrier |
07/31/2002 | EP0864076B1 Improved fluid pressure measuring system for control valves |
07/30/2002 | US6425291 Relative-pressure sensor having a gas-filled bellows |
07/30/2002 | US6425290 Oil-less differential pressure sensor |
07/25/2002 | WO2001046665A9 Multivariate semiconductor pressure sensor with passageway |
07/23/2002 | US6422085 Flush-diaphragm relative pressure sensor |
07/18/2002 | WO2002055978A1 Differential pressure sensor and method for differential pressure measurement |
07/16/2002 | US6418793 Differential pressure sensor |
06/05/2002 | EP1210573A1 Piston type pressure transducer |
05/30/2002 | WO2001090704A3 Electrical leakage diagnostics in a magnetic flow meter |
05/23/2002 | DE10141259A1 Drucksensor mit einem Halbleitersensorchip Pressure sensor having a semiconductor sensor chip |
05/22/2002 | CN1350636A Course pressure measuring device with improved error compensation |
05/16/2002 | WO2001090701A3 Conduction indication in a magnetic flowmeter |
05/15/2002 | CN2491939Y Display used for intelligent differential transformer |
05/02/2002 | WO2001090702A3 Spectral diagnostics in a magnetic flow meter |
05/02/2002 | EP1200810A1 Capacitive pressure transducer with improved electrode support |
04/25/2002 | WO2002033372A1 Pressure measuring cell |
04/25/2002 | DE10052053A1 Pressure measurement cell has contact pin fed through base body to electrode for capacitance measurement; contact pin, jointing solder and membrane bed form smooth surface |
04/24/2002 | EP1198740A1 Regulator flow measurement apparatus |
04/17/2002 | EP1196834A1 Regulator diagnostics system and method |
04/16/2002 | US6370959 Fuel pressure sensor |
04/09/2002 | CA2217250C Process for joining alumina ceramic bodies |
03/13/2002 | CN1080878C Seal diaphragm structure for pressure measuring device |
02/28/2002 | US20020023500 Pressure sensor having semiconductor sensor chip |
02/27/2002 | EP1181518A1 Process pressure measurement devices with improved error compensation |
02/21/2002 | US20020020221 Optical pressure sensor |
02/14/2002 | US20020017143 Differential pressure pickup |
02/13/2002 | EP1009985B1 Separating membrane system for a pressure transducer, with a wave crest edge and a pre- and post-cut membrane |
02/13/2002 | CN2476806Y Differential manometer |
02/07/2002 | DE10036836A1 Pressure difference sensor for refilling aircraft fuel tanks uses optical coding to give continuous read out |
01/31/2002 | US20020011115 Process sensor module having a single ungrounded input/output conductor |
01/30/2002 | EP1176410A1 Pressure transducer with error compensation |
01/24/2002 | WO2002006785A1 Differential pressure sensor |
01/23/2002 | CN1332367A Method and device for measuring concentration of suspension |
01/16/2002 | EP1172640A1 Differential pressure sensor |
01/09/2002 | CN2470814Y 差压表 Differential pressure gauge |
01/02/2002 | EP1167947A2 Methods and apparatus for measuring suspended-substance concentrations |
12/27/2001 | US20010054308 Methods and apparatus for measuring suspended-substance concentrations |
11/29/2001 | WO2001090704A2 Electrical leakage diagnostics in a magnetic flow meter |
11/29/2001 | WO2001090702A2 Spectral diagnostics in a magnetic flow meter |
11/29/2001 | WO2001090701A2 Conduction indication in a magnetic flowmeter |
11/22/2001 | US20010042411 Pressure detecting appartus |
11/21/2001 | CN1323390A Bearing with integral transformer |
11/21/2001 | CN1322945A Pressure difference transmitter capable of bearing high monoway overload pressure |
11/06/2001 | US6311560 Separating membrane systems for a pressure transducer, with a wave crest edge and a pre-and post-cut membrane |
10/31/2001 | EP1148941A1 Process for detecting, and monitoring changes in properties of fluidized bed solids by measurement of pressure difference fluctuation |
10/25/2001 | US20010032515 Oil-less differential pressure sensor |
10/24/2001 | EP0829004B1 Pressure sealed housing apparatus |
10/17/2001 | EP1144977A1 Method of producing a micro-electromechanical element |
10/11/2001 | WO2001046665A8 Multivariate semiconductor pressure sensor with passageway |
10/10/2001 | EP1143231A2 Pressure detecting apparatus |
10/09/2001 | US6301546 Process for detecting and monitoring changes in properties of fluidized bed solids by pressure difference fluctuation measurement |
10/03/2001 | CN1315654A Balancer for multi-cavity plunger-type differential pressure instrument |
10/02/2001 | US6295875 Process pressure measurement devices with improved error compensation |
09/20/2001 | WO2001069194A1 Differential-pressure measuring cell |
09/18/2001 | US6289721 Method for detecting a tanking operation on a receptacle |
09/18/2001 | US6289718 Arrangement for detecting a gaseous component in a gas flow |
09/12/2001 | CN2447764Y Differential pressure mealsuring instrument |
09/11/2001 | US6286372 Pressure differential measuring transducer |
09/06/2001 | DE10006917A1 Diaphragm low-pressure sensor has intermediate layer with low elastic modulus, formed between strain gage structure and diaphragm |
08/28/2001 | US6279401 Differential pressure transmitter |
08/28/2001 | CA2144832C Capacitive pressure sensors or capacitive differential pressure sensors |
08/22/2001 | EP1059978A4 Filter bed differential pressure monitoring system |
08/16/2001 | WO2001059419A1 Optical pressure sensor |
08/16/2001 | WO2001059418A1 Oil-less differential pressure sensor |
08/14/2001 | US6272928 Hermetically sealed absolute and differential pressure transducer |
08/01/2001 | EP1119751A1 Bearing with integral transformer |
07/31/2001 | US6267159 Method for filling the measuring chamber of a transducer measuring pressure or pressure differential with a pressure transmission liquid and a pressure differential measuring transducer |