Patents for G01L 11 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group or (2,548) |
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02/22/1995 | EP0639755A2 Capacitive transducer feedback controlled by means of electrostatic force and method for controlling the profile of the tranducing element in the transducer |
02/22/1995 | EP0639260A1 Optical displacement sensor |
02/15/1995 | EP0638163A1 Remotely deployable pressure sensor. |
02/01/1995 | CN1098196A Dynameter |
01/31/1995 | US5385053 Fiber optic pressure sensor systems |
01/18/1995 | EP0478780B1 Method and device for determining field of pressure of continuous fluid medium on the surface of an object |
11/02/1994 | EP0622622A2 Physical quantity detecting apparatus and internal combustion engine control apparatus each utilizing optical fiber |
11/01/1994 | US5359887 Coating for wind tunnel luminescent barometry of surfaces containing resin, solvent vehicle, photoluminescent material |
10/25/1994 | US5357805 Pressure measurement apparatus for inspecting therapeutic energy waves |
10/04/1994 | US5351527 Method and apparatus for testing fluid pressure in a sealed vessel |
09/28/1994 | EP0617265A2 A force measuring instrument |
09/20/1994 | US5348019 Optical fiber pressure sensing catheter |
09/15/1994 | DE4307758A1 Method and device for pressure measurement and/or detection of air bubbles in flowing media |
08/30/1994 | US5341676 Surface pressure measurement by oxygen quenching of luminescence |
08/02/1994 | US5334304 Electrochemical force sensor |
07/21/1994 | WO1994016346A1 Fibre-optic measuring converter of pressure, pressure difference and flow, and a process for manufacturing the sensing element of the same |
06/29/1994 | EP0598720A4 Nonintrusive flow sensing system. |
06/28/1994 | US5324956 System for characterizing movement and temperature of fluids |
06/08/1994 | EP0600491A2 Method and apparatus for testing fluid pressure in a sealed vessel |
06/07/1994 | US5317948 Pressure transducer using permanent magnet and opposing variable magnetic field |
06/01/1994 | EP0598720A1 Nonintrusive flow sensing system. |
05/31/1994 | US5315876 Purge gas pressure monitoring system |
05/25/1994 | EP0598343A2 Force sensor, temperature sensor and temperature/force sensor device |
05/17/1994 | US5313538 Method of making an index grating in an optical fiber, and a quasi-distributed array of sensors formed in said fiber |
05/03/1994 | US5307675 Luminescent pressure sensitive composition |
04/27/1994 | EP0593676A1 Method and apparatus for measurement of forces and pressures using tensioned bellows |
04/19/1994 | US5303586 Pressure or fluid level sensor |
04/13/1994 | EP0354229B1 Hydrophonic probe |
04/12/1994 | US5303167 Absolute pressure sensor and method |
04/12/1994 | US5301554 Differential pressure transducer |
03/17/1994 | DE4230374A1 IC engine cylinder head seal with knock or misfire detector - senses change in polarisation of light due to variation of pressure on birefringent optical waveguide around or across opening into combustion chamber |
03/16/1994 | EP0587054A2 Device for measuring pressure |
03/08/1994 | US5293046 Optical high pressure sensor |
03/03/1994 | WO1994004898A1 Ultra-sound testing device for gas pressure accumulators |
03/01/1994 | US5289720 Optic sensor for determining environmental conditions |
02/24/1994 | DE4227657A1 Ultraschall-Prüfeinrichtung für Gasdruckspeicher Ultrasonic testing device for gas storage |
02/23/1994 | CN2157511Y Fibre-optic pressure sensing probe |
02/03/1994 | WO1994002816A1 Optic sensor for determining environmental conditions |
01/19/1994 | EP0579504A2 Electromagnetic pressure transducer |
01/19/1994 | EP0296189B1 Process for ultrasonic pressure measurement in a liquid using micro-bubbles |
01/18/1994 | US5279161 Purge gas pressure monitoring system with temperature compensation |
01/13/1994 | DE4233154C1 Water pipe leakage rate measuring method - using pressure characteristic for test vol. divided from interior of pipe by flexible foil |
01/11/1994 | US5277067 Miniature pressure sensor and pressure sensor arrays |
01/06/1994 | WO1994000051A1 Blood pressure transducer |
01/04/1994 | US5275053 Fiber optic pressure sensor systems |
12/22/1993 | CN1079822A Optical force transducer based on a fabry-perot resonator, with a sveeping fabry-perot resonator as an element of the transducing part |
12/08/1993 | EP0572375A1 Extended measurement capability transmitter having shared overpressure protection means. |
12/08/1993 | CN1079297A Ultrasonic method and instrument for measuring pressure from outside of pipe |
11/24/1993 | EP0571107A1 Optical force transducer based on a Fabry-Perot resonator, with a sweeping Fabry-Perot resonator as an element of the transducing part |
11/16/1993 | US5261278 Microwave acceleration transducer |
11/15/1993 | CA2095980A1 Purge gas pressure monitoring system |
11/11/1993 | WO1993022645A1 Remotely deployable pressure sensor |
11/11/1993 | WO1993022643A1 Method and apparatus for measurement of forces and pressures using tensioned bellows |
11/11/1993 | WO1993022624A1 Optical displacement sensor |
11/02/1993 | US5258614 Optical fiber loop temperature sensor |
10/15/1993 | CA2093953A1 Purge gas pressure monitoring system with temperature compensation |
10/13/1993 | EP0565462A1 Improvements to pendular micro-sensors having force-feed-back |
10/06/1993 | EP0564034A2 Process and apparatus for the absolute and independent measurement of mechanical and thermal magnitudes that act simultaneously on an optical fibre |
09/14/1993 | CA1322109C Birefringent optical fiber device for measuring of ambient pressure in a stabilized temperature environment |
09/08/1993 | EP0558771A1 Luminescent pressure sensitive composition |
09/03/1993 | CA2064621A1 Luminescent pressure sensitive composition |
09/02/1993 | WO1993017314A1 Optical fibre pressure sensor |
06/15/1993 | US5220160 Adaptive fiber optic shock wave sensor |
06/08/1993 | US5218418 Differential fiber optic sensor and method |
06/08/1993 | US5217015 Pressure sensing device having transducer overlying and deforming eye |
04/29/1993 | WO1993008478A1 Microwave vector displacement and acceleration transducer |
03/23/1993 | US5196694 Temperature compensated self-referenced fiber optic microbend pressure transducer |
03/23/1993 | US5195520 Ultrasonic manometry process in a fluid by means of microbubbles |
03/16/1993 | US5194847 Apparatus and method for fiber optic intrusion sensing |
03/05/1993 | CA2050609A1 Fiber-optic strain gauge manometer |
02/24/1993 | EP0528657A2 Improved fiber optic pressure sensor systems |
02/23/1993 | US5187983 Fiber-optic strain gauge manometer |
02/22/1993 | CA2068033A1 Fiberoptic pressure sensor systems |
02/16/1993 | US5187674 For determining fuel gas pressure |
02/16/1993 | US5186046 Surface pressure measurement by oxygen quenching of luminescence |
02/15/1993 | WO1993004343A1 Nonintrusive flow sensing system |
02/15/1993 | CA2104125A1 Non-intrusive flow sensing system |
01/12/1993 | US5178153 Fluid flow sensing apparatus for in vivo and industrial applications employing novel differential optical fiber pressure sensors |
11/17/1992 | US5163328 Miniature pressure sensor and pressure sensor arrays |
11/10/1992 | CA1309877C Optical sensor |
10/22/1992 | DE4139025C1 Fibre=optic pressure sensor for lithotripsy - has bend in fibre=optic waveguide with material removed to form surface exposed to fluid for measurement of refractive index |
10/21/1992 | EP0509800A2 A pressure measurement apparatus for inspecting therapeutic energy waves |
10/20/1992 | CA1308937C Fabrication technique for low-loss fused taper directional couplers and pressure sensor produced thereby |
09/16/1992 | EP0503812A2 Catheter tip fluorescense-quenching fiber optic pressure sensor |
08/25/1992 | US5142155 Catheter tip fluorescence-quenching fiber optic pressure sensor |
08/20/1992 | DE4104477A1 Pressure dependent measurement value generator e.g. for washing machine water level - has displacement sensor and controlled counter pressure generator coupled to membrane |
08/11/1992 | US5138155 Pressure gauge with fiber optic sensor |
07/07/1992 | US5128537 Device for optically measuring a pressure differential |
07/07/1992 | US5128535 Method for measurement of pressure applied to a sensing element comprising a cholesteric liquid crystal |
06/25/1992 | WO1992010730A1 Method and sensor for measuring low air pressures |
06/17/1992 | EP0489899A1 Optical fibre parameter measuring device |
06/09/1992 | US5119679 Optically powered and linked pressure transducer |
05/26/1992 | US5115675 Tensioned bellows pressure transducer |
05/26/1992 | US5115668 Non-invasive pressure measuring device and method |
05/14/1992 | DE4035373A1 Interferometric optical path difference measurement - using optical fibre fabry-perot resonator as pressure sensors |
05/05/1992 | US5111055 Method and system for the optical measurement of the air pressure by laser excitation, particularly in front of an aircraft |
05/05/1992 | US5109852 Method for sensing pressure in an object |
04/28/1992 | CA1299728C Pressure sensor |
04/15/1992 | CN2101862U Pressure gauge |
04/14/1992 | US5103682 Ultra-sensitive force detector employing servo-stabilized tunneling junction |