Patents for G01L 13 - Devices or apparatus for measuring differences of two or more fluid pressure values (2,634) |
---|
01/18/2006 | CN1237426C Regulator diagnostics system and method |
01/12/2006 | US20060005627 Differential pressure detection type pressure sensor and method for manufacturing the same |
01/12/2006 | DE102004030231A1 Differential pressure sensor, has measuring chambers with diaphragm plate that is formed as measuring diaphragm, where difference between pressure at diaphragm and pressure in chamber causes deflection of testing diaphragm |
01/11/2006 | CN1236282C Differential/pressure transmitter |
01/05/2006 | US20060004539 Integrated absolute and differential pressure transducer |
01/05/2006 | US20060000289 Pressure sensor for detecting small pressure differences and low pressures |
01/05/2006 | US20060000288 Differential pressure measurement using backside sensing and a single ASIC |
01/04/2006 | EP1611422A2 Relative pressure transducer |
12/29/2005 | DE102004028381A1 Differenzdruckaufnehmer Differential pressure |
12/22/2005 | WO2005121736A1 Differential pressure sensor |
12/14/2005 | EP1525444B1 Differential pressure sensor comprising a symmetric error in the separating bodies |
12/13/2005 | US6975987 Device and method for synthesizing speech |
12/08/2005 | DE202005014511U1 Heating installation differential pressure manometer has independent separated pressure sensor with difference determined by integrated electronic component |
12/07/2005 | CN2745054Y Differential pressure signaling device |
12/01/2005 | US20050262946 Method for producing a pressure sensor for detecting small pressure differences and low pressures |
12/01/2005 | US20050262838 Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof |
12/01/2005 | DE102004017580A1 Differenzdruckaufnehmer mit dynamischem Überlastschutz Differential pressure sensor with dynamic overload protection |
11/30/2005 | EP1600753A1 Differential pressure sensor |
11/30/2005 | EP1244898B1 Sapphire pressure sensor beam with gold germanium isolation braze joint |
11/24/2005 | DE102004022679A1 Micromachined differential pressure sensor test canula has straight passage with transparent seal and dimensions to fit over sensor |
11/24/2005 | DE102004021041A1 Kombinierter Absolutdruck- und Relativdrucksensor Combined absolute pressure and gauge pressure sensor |
11/23/2005 | EP1598533A2 Device for measuring pressure before and after a particle filter in an exhaust gas line |
11/23/2005 | CN1699950A Hydraulic machine, system for monitoring health of hydraulic machine, and method thereof |
11/16/2005 | EP1596177A1 Super-precise micro-differential pressure measuring device and super-precise differential pressure measuring device |
11/16/2005 | EP1059978B1 Filter bed differential pressure monitoring system |
11/15/2005 | US6965840 Dual sensor process temperature switch having a high-diagnostic one-out-of-two voting architecture |
11/10/2005 | WO2005106416A2 Differential pressure transducer with fabry-perot fiber optic displacement sensor |
11/10/2005 | DE102004019222A1 Vorrichtung und Verfahren zur Zustandsüberwachung eines Druckmesswerks Apparatus and method for monitoring the condition of a pressure measuring unit |
11/09/2005 | CN2739602Y Spiral friction-free differential pressure meter |
11/03/2005 | US20050241400 Combined absolute-pressure and relative-pressure sensor |
11/03/2005 | US20050241399 Differential pressure transducer with fabry-perot fiber optic displacement sensor |
11/03/2005 | US20050241363 Device and method for the status monitoring of a pressure measuring unit |
11/02/2005 | EP1181518B1 Process pressure measurement devices with improved error compensation |
11/02/2005 | CN1690675A Arrangement and method for monitoring a pressure measuring unit state |
11/01/2005 | US6959607 Differential pressure sensor impulse line monitor |
10/27/2005 | US20050235754 Low pass filter semiconductor structures for use in transducers for measuring low dynamic pressures in the presence of high static pressures |
10/27/2005 | US20050235753 Pressure transducer for measuring low dynamic pressures in the presence of high static pressures |
10/27/2005 | DE19647967B4 Pumpe mit Druckdifferenzsensor Pump with pressure difference sensor |
10/26/2005 | EP1589329A1 Semiconductor pressure sensor and process for fabricating the same |
10/26/2005 | EP1395802A4 High sensitivity pressure sensor with long term stability |
10/20/2005 | WO2005098387A1 Differential pressure gauge with dynamic overload protection |
10/20/2005 | US20050229710 Capacitive sensor |
10/19/2005 | CN1223836C Pressure measuring cell |
10/12/2005 | EP1584910A1 Pressure sensor including a ventilation path |
10/11/2005 | CA2298815C Capacitive pressure sensor cells or differential pressure sensor cells and methods for manufacturing the same |
10/06/2005 | US20050217383 Pressure sensor |
09/29/2005 | US20050211000 Flowmeter |
09/29/2005 | US20050210964 Pressure sensing device for rheometers |
09/29/2005 | DE10255543B4 Drucksensor Pressure sensor |
09/29/2005 | DE102005010941A1 Elektrische Abschirmstruktur für einen Drucksensor Electrical shielding structure for a pressure sensor |
09/28/2005 | CN2729805Y Virtual torque power test instrument |
09/22/2005 | WO2005086883A2 Micro slit viscometer with monolithically integrated pressure sesonrs |
09/22/2005 | DE102004011981A1 Hollow prison gate internal air pressure monitoring procedure records pressure time characteristic during cyclic variation and compares with set reference times |
09/21/2005 | CN1672025A Differential pressure sensor comprising a symmetric error in the separating bodies |
09/15/2005 | US20050199070 Electrical shield structure for pressure sensor |
09/14/2005 | EP1574841A1 Photoacoustic gas sensor |
09/14/2005 | CN1667396A Photoacoustic gas sensor |
09/07/2005 | CN1666097A Low-cost capacitive pressure transmitter with plate coating, particle filter, self-contained |
09/01/2005 | DE102004050983A1 Micromechanical pressure sensor formed by applying a measurement element to a membrane and applying pressure to the membrane |
09/01/2005 | DE102004015444A1 Micromechanical semiconductor component produced by forming a partially oxidised porous layer in a semiconductor substrate |
08/31/2005 | CN1662800A Device having mstallable reference pressure for measuring pressure difference |
08/25/2005 | DE102004006383A1 Differenzdruckaufnehmer mit Überlastmembran Differential pressure overload membrane |
08/24/2005 | CN1216279C Sapphire pressure sensor beam with gold germanium isolation braze joint |
08/23/2005 | CA2302078C Capacitive pressure sensor or capacitive differential pressure sensor |
08/18/2005 | WO2005075952A1 Pressure differential sensor comprising an excess-load membrane |
08/18/2005 | DE19548108B4 Vorrichtung und Verfahren, um plötzliche Druckänderungen in Fahrzeugen, insbesondere Bodenfahrzeugen, zu vermeiden In order to avoid device and method sudden pressure changes in vehicles, in particular floor vehicles, |
08/18/2005 | DE102004002931A1 Indirect determination of the torque acting on a rotating component, e.g. for use in automotive applications, by measurement of another parameter, e.g. force, at two or more operating points and plotting a resultant interpolation |
08/09/2005 | US6925884 Capacitive differential pressure sensor |
08/04/2005 | DE102004002137A1 Vorrichtung und Verfahren zum Zünden eines Luft-Kraftstoff-Gemischs mittels eines Hochfrequenz-Resonators Apparatus and method for igniting an air-fuel mixture by means of a high-frequency resonator |
08/03/2005 | CN1648624A Air film supported differential pressure sensor |
07/28/2005 | WO2005068829A1 Device and method for igniting an air-fuel mixture by means of a high-frequency resonator |
07/13/2005 | EP1356260A4 Product leak testing |
06/30/2005 | US20050139009 Relative pressure sensor |
06/29/2005 | CN2706747Y Semiconductor differential pressure transducer |
06/29/2005 | CN1633588A Sensor with fluid isolation barrier |
06/23/2005 | US20050137825 Input device, input method and electronic equipment |
06/23/2005 | DE102004056872A1 Drucksensor Pressure sensor |
06/22/2005 | CN1207543C Pressure sensor with corrosion resistant diaphragm |
06/22/2005 | CN1207542C Sheathed double-tube differential gauge |
06/21/2005 | US6909975 Integrated absolute and differential pressure transducer |
06/15/2005 | CN1626030A Input device, input method and electronic equipment |
06/09/2005 | WO2005052535A1 Integrated absolute and differential pressure transducer |
06/02/2005 | DE10352797A1 Vorrichtung zur Messung des Drucks in einem Gasgemisch A device for measuring the pressure in a gas mixture |
06/01/2005 | CN1621793A Pressure sensor |
05/26/2005 | WO2005047841A1 Device for measuring the pressure in a mixture of gases |
05/26/2005 | US20050114070 Integrated absolute and differential pressure transducer |
05/26/2005 | US20050109113 Pressure sensor |
05/25/2005 | DE10392824T5 Preiswerter kapazitiver in sich geschlossener Druckgeber mit Plattenbeschichtung, Teilchenfilter Affordable capacitive self-contained thruster with plate coating, particle filters |
05/19/2005 | US20050103115 Pressure measuring device |
05/17/2005 | US6892583 Pressure sensing device for rheometers |
05/12/2005 | US20050097963 Differential pressure sensor impulse line monitor |
05/11/2005 | CN2699270Y Digitalized capacitance pressure difference transmitter |
05/04/2005 | DE202005000755U1 Mobile pressure vessel testing unit comprises upper and lower plates forming a compact space for the mounting of pressure measurement equipment so that on-site measurements can be made using a compressed air supply |
04/27/2005 | EP1525444A1 Differential pressure sensor comprising a symmetric error in the separating bodies |
04/27/2005 | CN1610823A Pressure sensing device for rheometers |
04/26/2005 | CA2378100C Regulator flow measurement apparatus |
04/21/2005 | US20050081638 Sensing diaphragm for a differential pressure sensor with over-pressure protection and methods |
04/13/2005 | EP1521952A1 Pressure measuring device |
04/13/2005 | CN1605846A Process sealing member for process control transmitter |
04/12/2005 | US6877381 Differential pressure signaling device and method employing a magnetoresistive sensor |