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