Patents for G01F 23 - Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm (31,056) |
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06/03/1998 | EP0612430B1 Ultrasonic transducer |
06/03/1998 | CN2283274Y 电子水位传感器 Electronic level sensor |
06/03/1998 | CN2283241Y Reed liquid level signal device |
06/03/1998 | CN2282891Y Drop liquid level alarm device |
06/02/1998 | US5760577 LC resonance circuit displacement sensor |
06/02/1998 | US5760309 For use in an ultrasonic measurement system |
05/28/1998 | DE19750642A1 Automatic analysis apparatus |
05/28/1998 | DE19728280A1 Probe for continuous measurement of liquid level in container e.g. system |
05/28/1998 | DE19648688A1 Filling level amount determination method for tank system |
05/27/1998 | EP0689679B1 Process for recognizing and discriminating between useful and interfering echos in the reception signal of distance sensors working according to the pulse-echo principle |
05/26/1998 | US5757988 Optical fiber sensor utilizing a swellable detector material |
05/26/1998 | US5757664 Method and apparatus for monitoring operational performance of fluid storage systems |
05/26/1998 | US5757390 Ink volume sensing and replenishing system |
05/26/1998 | US5757320 Short range, ultra-wideband radar with high resolution swept range gate |
05/26/1998 | US5756940 Weight measurement of blood volume soft-shell venous reservoirs |
05/26/1998 | US5756899 Integrated sensor |
05/26/1998 | US5756876 Method of setting the switching point of a capacitive level limit switch |
05/26/1998 | US5755358 Toner level detection system |
05/26/1998 | US5755136 Device for monitoring a predetermined level of a liquid in a container |
05/26/1998 | US5755105 Air conditioning system fluid level controller |
05/22/1998 | WO1998021557A1 Method for determining parameters, for example level, pressure, gas composition in closed containers |
05/22/1998 | WO1998021094A1 Suction device |
05/22/1998 | WO1998020996A1 Metering oven |
05/20/1998 | EP0843162A2 Determining liquid volumes in cup-like vessels on a rotor having vertical deviations |
05/20/1998 | EP0842504A1 Window-closing safety system |
05/20/1998 | EP0842441A1 High accuracy electronic material level sensor |
05/20/1998 | EP0842440A1 Short range radio locator system |
05/20/1998 | EP0842402A2 Disposable electromagnetic fluid level sensor |
05/20/1998 | EP0676037B1 Device for measuring the level of container contents |
05/20/1998 | DE19646410A1 Absaugvorrichtung Suction |
05/20/1998 | CN2282177Y Gaseous formular liquid level meter |
05/20/1998 | CN1182478A Liquid level sensor |
05/19/1998 | US5754609 Condensation vessel for the measurement of steam pressure, filling level and steam flow rate and method for operating a condensation vessel |
05/19/1998 | US5754207 Volume indicating ink reservoir cartridge system |
05/19/1998 | US5752409 Method of accurately gauging fuel in an automotive tank |
05/19/1998 | CA2150855C Device for determining and/or monitoring a predetermined material level in a container |
05/14/1998 | WO1998019620A1 Packaged photocurable composition |
05/14/1998 | DE19714534A1 Measuring bridge-type filling level gauge |
05/14/1998 | DE19647713A1 Verfahren zur Erfassung eines Pegels von flüssigem Metall A method for detecting a level of liquid metal |
05/14/1998 | DE19646685A1 Verfahren zur Bestimmung von Parametern, z. B. Füllstand, Druck, Gaszusammensetzung in verschlossenen Behältern Method for the determination of parameters, such. As level, pressure, gas composition in sealed containers |
05/14/1998 | DE19646300A1 Level switch for monitoring consumer water and sewage levels in containers and pipes |
05/14/1998 | DE19645970A1 Capacitive level sensor for measuring filling level of liquid in container |
05/13/1998 | EP0840759A1 Block copolymers |
05/12/1998 | US5751611 Display device for linearly displaying a non-linear input variable |
05/12/1998 | US5750881 Method and apparatus for aspirating and dispensing sample fluids |
05/08/1998 | CA2190020A1 Method for determining the level of a submerged layer of liquified material |
05/07/1998 | WO1998019139A1 Method and apparatus for the sonic measurement of sludge and clarity conditions during the treatment of waste water |
05/07/1998 | DE19643956A1 Ultrasonic fluid level sensor for fluid in container |
05/07/1998 | CA2270398A1 Method and apparatus for the sonic measurement of sludge and clarity conditions during the treatment of waste water |
05/06/1998 | EP0840099A1 Device for detecting the water level in an electrical heating appliance |
05/06/1998 | EP0840098A2 Fluid level detection apparatus and method for determining the volume of fluid in a container |
05/06/1998 | EP0839660A1 Coupling member for cartridge in an ink-jet printer |
05/06/1998 | EP0839659A1 Ink delivery system for ink-jet printing system with pressure regulator |
05/05/1998 | US5748562 Level detector for solids |
05/05/1998 | US5747824 Apparatus and method for sensing fluid level |
05/05/1998 | US5747689 Fluid level sensing system |
05/05/1998 | US5746088 Fuel system low current rheostat |
04/30/1998 | WO1998017982A1 Relative location detection sensor |
04/30/1998 | WO1998017981A1 Material interface level sensing |
04/30/1998 | WO1998017974A1 Position sensor with magnetic coupling |
04/29/1998 | EP0838668A2 Level measuring device in a container |
04/29/1998 | EP0838666A1 Measuring device |
04/29/1998 | EP0760087B1 Position encoder |
04/28/1998 | US5745377 Method and apparatus for determining quantity of liquid in a container and/or lack of motion thereof |
04/28/1998 | US5744945 Cryogenic fluid-level sensor |
04/28/1998 | US5744793 Triangulation position-detection and integrated dispensing valve |
04/28/1998 | US5744716 Fluid displacement level, density and concentration measurement system |
04/28/1998 | US5743138 Spirally fluted float |
04/28/1998 | US5743137 Magnetic float assembly |
04/28/1998 | US5743136 Fluid level sensor with resistive and conductive layers |
04/28/1998 | US5743135 Optical-fiber liquid-level monitor |
04/28/1998 | US5743134 Method and arrangement for determining and/or monitoring a predetermined level of material in a container |
04/28/1998 | US5742999 Method of assembling side-mountable liquid level sensor assembly |
04/23/1998 | DE19650727A1 Measurement device |
04/22/1998 | EP0837304A1 Apparatus for monitoring the level of a liquid medium in a container, especially for a bathtub |
04/22/1998 | EP0837013A1 Dosing device foreseen for a dosing tube equipped with a butterfly valve |
04/22/1998 | CN2279595Y Mechanical electronic type powder bin ore level meter |
04/22/1998 | CN2279594Y Running water supply prompting device |
04/22/1998 | CN2279593Y Bin level meter |
04/22/1998 | CN2279592Y Bin level multistage display self-controlling alarmer |
04/22/1998 | CN1179828A Sensor arrangement |
04/16/1998 | WO1998015884A1 Apparatus for remote monitoring of the level of liquid in at least one tank |
04/16/1998 | WO1998015801A1 Method for controlling the speed of a pump based on measurement of the fluid depth in a well |
04/16/1998 | DE19642026A1 Capacitive fluid level detector for container |
04/15/1998 | EP0836081A2 Measuring and display device for a fluid container |
04/15/1998 | EP0835956A2 Pressure chamber for a water level sensor in a washing machine |
04/15/1998 | CN2278928Y High accuracy colour bar liquid level meter with infrared optoelectronic switches |
04/14/1998 | US5739598 Selfadjusting capacitive level switch for a non-contact or contact sensing of media or objects |
04/14/1998 | US5739534 System for monitoring and adjusting the water level in a washing machine |
04/14/1998 | US5737963 Ultrasonic transducer |
04/09/1998 | WO1998014763A1 Process control transmitter with electrical feedthrough assembly |
04/09/1998 | WO1998014762A1 Level gage waveguide transitions |
04/09/1998 | WO1998014532A1 Process and device for measuring the level of bulk material containing carbon |
04/09/1998 | WO1998014330A1 Method and apparatus for maintaining ink level in ink fountain of printing press |
04/09/1998 | CA2267554A1 Process control transmitter with electrical feedthrough assembly |
04/08/1998 | EP0834722A2 Microwave level measuring apparatus |
04/08/1998 | CN2278208Y Column type fluorescent magnetic turning over liquid level gauge |
04/08/1998 | CN2278207Y Magnetic liquid level measuring indication instrument |
04/08/1998 | CN2278206Y Gravity type liquid level gauge |
04/08/1998 | CN2278205Y Liquid level gauge with device for eliminating deformation stress |