| 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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| 08/27/1985 | US4538063 Photo transducer circuit for setting minimum and maximum current flow between power terminals |
| 08/21/1985 | EP0152149A2 Optical pressure sensor |
| 08/20/1985 | US4535633 Method and apparatus for the protection of analyzers and other sensitive components from soiling and corrosion |
| 07/17/1985 | EP0148591A1 Methods of and apparatus for detecting the presence of a gaseous substance within a space |
| 07/16/1985 | CA1190600A1 Electrochemical device for the measurement of partial oxygen pressure in gases or liquids |
| 06/19/1985 | EP0144630A2 Applications of heat flux modulation of a temperature probe |
| 06/18/1985 | US4524436 Pressure wave fiber optic transducer cable |
| 06/11/1985 | US4522065 Remote pressure sensor |
| 06/04/1985 | CA1188397A1 Optical sensor element |
| 05/28/1985 | CA1187946A1 Pressure monitoring method and apparatus |
| 05/28/1985 | CA1187715A1 System for dampening pulsations or oscillations in a force-balance instrument |
| 05/14/1985 | CA1187152A1 Pressure responsive switching device particularly pressostat or thermostat |
| 03/05/1985 | US4502333 Three force balanced mechanism |
| 03/05/1985 | CA1183594A1 Absolute pressure sensor |
| 01/29/1985 | US4495819 Optical pressure sensor |
| 01/23/1985 | EP0132222A1 Capacitive displacement-to-frequency transducer, especially a pressure-to-frequency transducer |
| 01/15/1985 | US4493553 Method of and apparatus for measuring temperature and pressure |
| 01/09/1985 | EP0130448A2 Process and device for protecting measuring units and other sensitive elements against pollution and corrosion |
| 01/08/1985 | US4492469 System for measuring the pressure sealed inside an envelope |
| 01/08/1985 | US4492121 Gauge for measuring high transient pressures |
| 12/25/1984 | US4490606 Transducer apparatus utilizing fiber optics for data transmission |
| 12/25/1984 | US4489613 Transmitting device for measuring the operating pressure in a system |
| 11/20/1984 | US4483345 Pressure measuring system with ultrasonic wave |
| 11/20/1984 | US4483195 Fluctuating pressure measuring apparatus with miniature, high temperature, pressure transducer |
| 10/30/1984 | US4479867 Electrochemical system for measuring the partial oxygen pressure in a gaseous or liquid atmosphere |
| 10/10/1984 | EP0120999A2 Fibre-optic sensor for force and pressure measurements, as well as for monitoring and protection purposes |
| 09/25/1984 | US4473747 Semiconductor structure for a fiber optical pressure sensing element |
| 09/18/1984 | CA1174484A1 Absolute pressure sensor |
| 08/28/1984 | US4468090 Fibre optical arrangement for the transmission, in a manner preserving its polarization, of light of a defined, linear polarization state |
| 08/21/1984 | US4466295 Photoelastic sensing means |
| 08/15/1984 | EP0115593A2 Photo transducer circuit |
| 07/17/1984 | US4459841 For generating an electrical signal |
| 06/13/1984 | EP0110872A2 Hypsometer |
| 06/12/1984 | CA1168891A1 Optical measurement system for spectral analysis |
| 06/12/1984 | CA1168888A1 Digital readout pressure measuring apparatus |
| 06/05/1984 | US4452071 Measurement of fill gas pressure in light bulbs |
| 05/29/1984 | US4451730 Optical measuring apparatus for measuring force or pressure |
| 04/17/1984 | US4443700 Optical sensing apparatus and method |
| 04/10/1984 | US4441357 Pressure monitoring and leak detection method and apparatus |
| 03/14/1984 | EP0102880A1 Electrochemical apparatus for measuring the oxygen content of a gaseous or liquid atmosphere |
| 03/14/1984 | EP0007312B1 Optical sensing apparatus |
| 02/21/1984 | US4433238 Optical measurement system for spectral analysis |
| 02/14/1984 | US4430900 Pressure responsive switching device particularly pressostat or thermostat |
| 01/24/1984 | US4426881 Liquid crystal pressure gauge |
| 01/03/1984 | CA1159673A1 Formation tester |
| 12/06/1983 | CA1158336A1 Pressure monitoring system for electrofluidic sensing devices |
| 11/08/1983 | US4413528 Miniature pressure transducer |
| 11/08/1983 | US4413523 System for dampening pulsations or oscillations in a force-balance instrument |
| 10/06/1983 | EP0078312A4 Pressure monitoring apparatus. |
| 09/27/1983 | US4406157 Feedback method and apparatus for testing the internal pressure of a sealed container |
| 09/15/1983 | WO1983003136A1 Pressure monitoring and leak detection method and apparatus |
| 09/14/1983 | EP0088362A1 Nonintrusive pressure measurement |
| 09/07/1983 | EP0087612A2 Pressure-to-frequency transducer |
| 08/16/1983 | US4399514 Method of inspecting internal pressures in sealed containers |
| 08/02/1983 | US4396466 Electroconductivity, oscillation |
| 07/19/1983 | US4393878 Pressure monitoring method and apparatus |
| 07/19/1983 | US4393713 Digital pressure-measuring device |
| 06/29/1983 | EP0082820A2 Optical fibre pressure detector |
| 06/21/1983 | US4388943 Linkage for moment balancing measuring apparatus |
| 06/21/1983 | US4388829 Evaporation type barometer |
| 06/07/1983 | CA1147862A1 Evaporation type barometer |
| 06/01/1983 | EP0079988A1 Optical fibre transmission instrumentation |
| 05/11/1983 | EP0078312A1 Pressure monitoring apparatus. |
| 03/15/1983 | CA1143045A1 Distance measuring apparatus and a differential pressure transmitter utilizing the same |
| 03/01/1983 | US4375164 Formation tester |
| 03/01/1983 | CA1141989A1 Steam trap arrangement comprising a steam trap and a fluid flow monitor in a steam flow line |
| 02/16/1983 | EP0072330A2 Pressure measuring system with ultrasonic wave |
| 02/15/1983 | US4374328 Photoluminescent indicator |
| 01/18/1983 | US4368645 Optical pressure sensor |
| 01/04/1983 | US4366715 Pressure testing apparatus |
| 12/21/1982 | US4364271 Optical refractometer |
| 12/08/1982 | EP0066493A1 Pressure wave fiber optic transducer cable |
| 12/07/1982 | CA1136881A1 Fiber optic strain sensor |
| 11/25/1982 | WO1982003976A1 Pressure monitoring method and apparatus |
| 11/23/1982 | US4360247 Evanescent fiber optic pressure sensor apparatus |
| 11/09/1982 | US4358678 Fiber optic transducer and method |
| 08/04/1982 | EP0057125A1 Transducer for a digital pressure measuring device |
| 08/03/1982 | US4342907 Optical sensing apparatus and method |
| 06/15/1982 | US4334781 Optical sensing system |
| 04/28/1982 | EP0050306A2 Fibre-optics measuring instrument |
| 03/31/1982 | EP0048531A1 Device for measuring pressure at hardly accessible places |
| 03/30/1982 | US4321831 Digitally compatible optical pressure measurement |
| 02/02/1982 | CA1117313A1 Fibre optical measuring apparatus |
| 01/26/1982 | US4313171 Internal pressure determining method and system for hermetically sealed containers using electromagnetic induction |
| 01/26/1982 | US4312361 Pressure monitoring system for electrofluidic sensing devices |
| 01/26/1982 | CA1116884A1 Optical sensing apparatus and method |
| 12/04/1981 | EP0007312A4 Optical sensing apparatus. |
| 11/24/1981 | US4301685 Digital pressure-measuring device |
| 11/03/1981 | US4297890 Pressure transducer |
| 10/20/1981 | US4295739 Fiber optic temperature sensor |
| 10/20/1981 | US4295738 Fiber optic strain sensor |
| 09/15/1981 | US4289034 Device for converting pneumatic or hydraulic pressure into an electric current and vice versa |
| 09/08/1981 | CA1108433A1 Digital pressure-measuring device |
| 07/14/1981 | US4277981 Lead screw actuated fluid gauge |
| 05/26/1981 | US4270050 Apparatus for measuring pressure by absorption spectrum change |
| 05/12/1981 | US4266430 Precision pressure-responsive fluid gauge |
| 05/05/1981 | US4265251 Method of determining pressure within liquid containing vessel |
| 04/14/1981 | US4261208 Pressure transducer |
| 03/24/1981 | CA1097944A1 Apparatus for indicating true furnace draft |
| 03/11/1981 | EP0024545A2 Pneumatic force transducer |