| Patents for G01L 13 - Devices or apparatus for measuring differences of two or more fluid pressure values (2,634) |
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| 01/15/1986 | EP0167941A2 Differential pressure gauge head |
| 01/14/1986 | US4563901 Transducer |
| 12/31/1985 | US4561309 Method and apparatus for determining pressure differentials |
| 12/27/1985 | EP0165302A1 Pressure sensor with a substantially flat overpressure stop for the measuring diaphragm |
| 12/24/1985 | US4559829 Differential pressure transmitter for industrial process fluids, provided with compensation of static pressure change effects |
| 12/11/1985 | EP0164240A2 Differential pressure sensor |
| 12/03/1985 | US4555952 Differential pressure sensor |
| 11/21/1985 | EP0161929A2 Force transducer beam |
| 10/16/1985 | EP0158586A1 Pressure or differential-pressure measuring device |
| 10/15/1985 | US4546653 Semiconductor differential pressure transducer |
| 10/10/1985 | WO1985004474A1 Pressure compensated differential pressure sensor and method |
| 10/09/1985 | EP0157726A1 Pressure or differential-pressure measuring device |
| 10/01/1985 | US4543832 Overload protected pressure transducer |
| 09/17/1985 | CA1193464A1 Semiconductor pressure transducer |
| 09/10/1985 | US4539850 Pressure or pressure-difference measuring apparatus with a pressure sensor device protected against overload |
| 09/03/1985 | US4538465 Electronic transmitter for transmitting pressure values of industrial process fluids |
| 08/20/1985 | CA1192055A1 Pressure and differential pressure detectors and transmitter for use in hostile environment |
| 08/13/1985 | CA1191710A1 Apparatus for conveying fluid pressures to a differential pressure transducer |
| 08/06/1985 | US4532809 Pressure measuring systems with increased accuracy for a constant resolution |
| 07/30/1985 | US4531415 Differential pressure transducer |
| 07/09/1985 | US4527434 Cylindrical force transducer beam |
| 07/09/1985 | US4527428 Semiconductor pressure transducer |
| 07/02/1985 | US4526035 Device for measuring a pressure difference within a pulsed column |
| 06/25/1985 | US4524624 Pressure and differential pressure detectors and transmitter for use in hostile environment |
| 06/20/1985 | WO1985002677A1 Pressure transducer |
| 06/20/1985 | WO1985002676A1 Pressure sensor with a substantially flat overpressure stop for the measuring diaphragm |
| 06/18/1985 | US4523476 Pressure transducer |
| 06/05/1985 | EP0143702A2 Inductive differential-pressure transducer |
| 06/04/1985 | US4520748 Differential-vacuum alarm device |
| 06/04/1985 | US4520675 Pressure or pressure difference measuring transducer |
| 05/28/1985 | US4519255 Pressure transducer |
| 05/28/1985 | CA1187714A1 High accuracy differential pressure capacitive transducer and methods for making same |
| 04/03/1985 | EP0136249A2 Three plate, silicon-glass-silicon capacitive pressure transducer |
| 04/03/1985 | EP0094429A4 Apparatus for conveying fluid pressures to a differential pressure transducer. |
| 04/02/1985 | US4507972 Pressure gauge |
| 03/05/1985 | US4502335 Fluid pressure transmitter assembly |
| 02/26/1985 | US4501051 High accuracy differential pressure capacitive transducer and methods for making same |
| 01/16/1985 | EP0131551A2 Differential pressure transmitter for fluids with compensation of static pressure change effects |
| 12/12/1984 | EP0127776A2 Semiconductor differential pressure transducer |
| 12/05/1984 | EP0126989A1 Fluid pressure transmitter |
| 11/28/1984 | EP0126697A1 Differential pressure measuring apparatus |
| 10/30/1984 | CA1176868A1 Temperature compensated differential pressure indicating device |
| 10/23/1984 | CA1176485A1 Filter element test method and apparatus |
| 09/19/1984 | EP0119038A1 A pressure transducer |
| 09/11/1984 | US4470367 First out fluid pressure indicator |
| 09/04/1984 | CA1173959A1 Pressure measuring systems with increased accuracy for a constant resolution |
| 08/21/1984 | US4467394 Three plate silicon-glass-silicon capacitive pressure transducer |
| 08/21/1984 | US4466290 Apparatus for conveying fluid pressures to a differential pressure transducer |
| 08/15/1984 | EP0115587A1 Sample volume metering apparatus |
| 08/08/1984 | EP0115074A2 Differential pressure measuring device |
| 08/01/1984 | EP0114239A2 Measuring capsule for a capacitive pressure difference transducer |
| 07/31/1984 | CA1171683A1 Pressure sensor |
| 07/24/1984 | US4461181 Control for sample volume metering apparatus |
| 07/10/1984 | US4458537 High accuracy differential pressure capacitive transducer |
| 07/03/1984 | US4457179 Differential pressure measuring system |
| 06/20/1984 | EP0111348A2 Capacitive differential-pressure transducer |
| 06/20/1984 | EP0110920A1 Device for the control of a fluid pressure of a turbomachine engine. |
| 06/12/1984 | US4453865 Automatic pressure sensitive regulation assembly |
| 06/12/1984 | CA1168888A1 Digital readout pressure measuring apparatus |
| 06/05/1984 | CA1168755A1 Differential pressure transducer |
| 06/05/1984 | CA1168552A1 Pressure transmitter |
| 05/01/1984 | US4445457 Differential pressure indicator |
| 05/01/1984 | US4445382 Differential pressure-responsive device |
| 03/27/1984 | CA1164240A1 Capacitive pressure transducer with isolated sensing diaphragm |
| 03/07/1984 | EP0102329A1 Automatic pressure sensitive regulation apparatus and process for regulating the flow of particulate solids |
| 02/21/1984 | CA1162413A1 Tilt invariant pressure sensing device |
| 02/21/1984 | CA1162411A1 Differential pressure gauge |
| 02/16/1984 | WO1984000532A1 Automatic pressure sensitive regulation assembly |
| 01/31/1984 | US4428239 Differential pressure measuring apparatus |
| 01/31/1984 | CA1161273A1 Differential pressure transducer with high compliance, constant stress cantilever beam |
| 01/24/1984 | US4426952 Temperature compensated differential pressure indicating device |
| 01/17/1984 | US4425799 Liquid capacitance pressure transducer technique |
| 12/20/1983 | CA1158930A1 Differential pressure signal device |
| 12/13/1983 | CA1158454A1 Differential pressure gauge |
| 12/08/1983 | WO1983004308A1 Liquid capacitance pressure transducer technique |
| 12/08/1983 | WO1983004286A1 Method and device for the control of a fluid pressure of a turbomachine engine and support for a pressure pick-off |
| 11/23/1983 | EP0094429A1 Apparatus for conveying fluid pressures to a differential pressure transducer. |
| 10/12/1983 | EP0091396A1 Pressure or pressure difference measuring transducer |
| 09/13/1983 | US4403513 Capacitive differential pressure transducer |
| 08/30/1983 | US4401011 Method to adjust and/or indicate a liquid or gaseous pressure, and a device for utilization of the method |
| 08/30/1983 | CA1152775A1 Vapor pressure sensor and flow measuring device |
| 08/24/1983 | EP0086737A1 Device for measuring pressure or pressure difference using a measuring transducer protected against overpressure |
| 08/23/1983 | CA1152350A1 Temperature compensation apparatus for a liquid filled conduit |
| 08/09/1983 | US4398194 Differential pressure sensing apparatus |
| 08/02/1983 | US4395915 Pressure measuring apparatus |
| 07/19/1983 | US4393713 Digital pressure-measuring device |
| 06/21/1983 | US4388833 Differential pressure gauge |
| 06/09/1983 | WO1983002004A1 Apparatus for conveying fluid pressures to a differential pressure transducer |
| 06/01/1983 | EP0080186A2 Semiconductor pressure transducer |
| 05/18/1983 | EP0078840A1 High accuracy differential pressure capacitive transducer and methods for making same |
| 04/26/1983 | CA1145154A1 Non-symmetrical overload protection device for differential pressure transmitter |
| 04/13/1983 | EP0076752A1 Pressure measuring system with increased accuracy for a constant resolution |
| 04/05/1983 | US4379279 Submersible pressure transducer package |
| 03/15/1983 | CA1143045A1 Distance measuring apparatus and a differential pressure transmitter utilizing the same |
| 03/08/1983 | US4375789 First out indicator |
| 02/22/1983 | US4374475 Differential pressure gauge |
| 02/22/1983 | CA1141560A1 Vibrating beam pressure sensor |
| 02/15/1983 | CA1141185A1 Differential pressure transducer |
| 02/09/1983 | EP0071581A2 Electronic transducer for transducing pressure values of industrial process fluids |
| 02/01/1983 | US4370890 Capacitive pressure transducer with isolated sensing diaphragm |