| 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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| 05/13/2009 | CN101430217A Admittance type level transducer |
| 05/13/2009 | CN100486812C Detection circuit and ink box |
| 05/12/2009 | US7532155 Radar level gauging system |
| 05/12/2009 | US7531816 Vacuum conveying apparatus and charged particle beam equipment with the same |
| 05/12/2009 | US7531806 Cargo container craning apparatus equipped with radiation detection device |
| 05/12/2009 | US7530269 Fuel level sensor |
| 05/12/2009 | US7530268 Device for determining and/or monitoring at least one physical or chemical process variable of a medium in a container |
| 05/07/2009 | WO2009058709A2 Ink detector viewable with the human eye |
| 05/07/2009 | WO2009058708A2 Ink level detection by electronic means |
| 05/07/2009 | WO2009033645A3 Optical sensor system on a device for the treatment of liquids |
| 05/07/2009 | US20090119033 System for Detecting Remaining Quantity in Liquid Hydrogen Tank |
| 05/07/2009 | US20090114012 Filling level indicator having an explosion-proof housing |
| 05/07/2009 | DE102007051936A1 Process variable e.g. level, determining or monitoring device i.e. radiometric measuring instrument, for medium i.e. bulk goods, in container, has regulation/evaluation unit for generating and providing information about process variable |
| 05/07/2009 | DE102007045403A1 Fuel e.g. diesel, reservoir tank monitoring device for e.g. lorry, has evaluation unit detecting alarm indicative signals in response to characteristic deviations between stored and current sensor signals |
| 05/06/2009 | EP2054703A1 Level indicator |
| 05/06/2009 | EP2054702A1 Apparatus for determining and/or monitoring a process variable of a medium |
| 05/06/2009 | CN201233283Y Water heater sensor |
| 05/06/2009 | CN201233267Y Float-type liquid level sensor and air conditioner using the sensor |
| 05/06/2009 | CN201233266Y Tar filling identification apparatus |
| 05/06/2009 | CN201233265Y Counter type photoelectric level switch |
| 05/06/2009 | CN201233264Y Liquid level sensor with thermister probe and liquid level measuring set thereof |
| 05/06/2009 | CN201233263Y Probe mouth monitoring visible system of ball grinder differential pressure thickness measuring system |
| 05/06/2009 | CN201233262Y Two stage type gas stove coal level gauge |
| 05/06/2009 | CN101427112A Acoustic fire sensing system |
| 05/06/2009 | CN101424564A High parameter closed vessel liquid level continuous measurement method |
| 05/06/2009 | CN101424563A Non-blind-zone electric contact level gage |
| 05/06/2009 | CN101424562A Essential explosion-proof liquid level detection device and method |
| 05/06/2009 | CN101424561A Weight dropper device of material level measurement mechanism |
| 05/06/2009 | CN101422987A Container capable of detecting the residual amount of article and detection device |
| 05/06/2009 | CN100485871C Liquid quantity monitor, semiconductor manufacturing equipment provided with liquid quantity monitor and method for monitoring liquid material and liquid quantity |
| 05/06/2009 | CN100485327C Radar level gauge flange |
| 04/30/2009 | WO2009053647A1 Method for estimating the characteristic parameters of a cryogenic tank, in particular the geometric parameters of the tank |
| 04/30/2009 | WO2007044256A3 Method and apparatus for detecting liquid levels in liquid-storage containers |
| 04/30/2009 | WO2006042119A3 Apparatus and method for determining a liquid level in a steam drum |
| 04/30/2009 | US20090107234 System and method for measuring liquid level by image |
| 04/30/2009 | DE10356755B4 Kraftstoffstand-System für ein Automobil Fuel level system for an automobile |
| 04/30/2009 | DE102008039796A1 System und Verfahren zum Überwachen des Fahrzeugkraftstoffstands System and method for monitoring the vehicle fuel level |
| 04/30/2009 | DE102007000570A1 Fill level sensor for measuring filling level in fuel container, has retaining unit designed as U-shaped retaining bracket that encompasses retainer with recess in sections, where retaining bracket is made up flat material, metal or plastic |
| 04/30/2009 | CA2616192A1 Combined state of charge meter and fuel gauge |
| 04/29/2009 | EP2053684A2 Fuel cell system and method of computing fuel level |
| 04/29/2009 | EP2053614A2 System and method for determining coolant level and flow velocity in a nuclear reactor |
| 04/29/2009 | EP2051755A1 Syringe content detection using rf energy |
| 04/29/2009 | EP1812240A4 A liquid sensing apparatus for a liquid container for supplying a liquid to a liquid consuming apparatus, and a liquid container in which the liquid sensing apparatus is built |
| 04/29/2009 | CN201229501Y Photoelectric material level controller |
| 04/29/2009 | CN201229201Y Gps液位传感器 Gps level sensor |
| 04/29/2009 | CN201229200Y Liquid level measurement mechanism for modified asphalt-stirring reactor |
| 04/29/2009 | CN201229199Y Water level detector for tunnel cross river |
| 04/29/2009 | CN201229198Y High precision liquid volume measurement mechanism in container with random geometry |
| 04/29/2009 | CN201229197Y Filter arrangement for vortex flow sensor detecting system |
| 04/29/2009 | CN201229196Y Water immersion detecting device |
| 04/29/2009 | CN201229195Y 水位传感器 Water level sensor |
| 04/29/2009 | CN201229194Y Automatic monitoring system for seepage line of tailing dam |
| 04/29/2009 | CN201229193Y Water level detector for heat pump water heating machine |
| 04/29/2009 | CN101419087A Automobile oil mass metering device |
| 04/29/2009 | CN101417541A Liquid storing container |
| 04/29/2009 | CN101417538A Liquid contanier |
| 04/29/2009 | CN100484373C Torsional fixing device for housing of a measuring transducer |
| 04/29/2009 | CN100483083C A radar level gauge system with variable alarm limits |
| 04/29/2009 | CN100483082C Method and circuit arrangement for detecting the level of a liquid |
| 04/29/2009 | CN100483081C Underwater concrete pouring level position indicator |
| 04/29/2009 | CN100482136C Domestic water heating tool with colorful water level indicator |
| 04/28/2009 | US7525476 System and method for filling level determination |
| 04/28/2009 | US7523745 Fuel delivery module |
| 04/28/2009 | US7523662 Process meter |
| 04/28/2009 | US7523661 Methods and systems for liquid volumetric measurement |
| 04/23/2009 | WO2008023282A3 Assembly for measuring the specific gravity and level of a liquid |
| 04/23/2009 | WO2007086974A3 Indirect liquid level measurement |
| 04/23/2009 | US20090101827 On-belt analyser system |
| 04/23/2009 | US20090101826 Multi-stage system for verification of container contents |
| 04/23/2009 | US20090101825 Integrative and real-time radiation measurement methods and systems |
| 04/23/2009 | US20090101824 Muon detector |
| 04/22/2009 | EP2051049A1 Sensor for the presence of liquid in a container and device equipped with such a sensor |
| 04/22/2009 | EP2051000A1 Gas bottle with alarm device |
| 04/22/2009 | EP2049396A1 Fibre optic sweat sensor |
| 04/22/2009 | EP1527660B1 Torsional fixing device, especially for the housing of a measuring transducer |
| 04/22/2009 | CN201225997Y Paddy field moisture sensor |
| 04/22/2009 | CN201225919Y Oil level alarm for tractor steering system |
| 04/22/2009 | CN201225918Y Liquid level detector |
| 04/22/2009 | CN201225917Y Manual/automatic integrated depth-gage device for flood protection |
| 04/22/2009 | CN201225916Y Test device for water level of solar water heater |
| 04/22/2009 | CN201225915Y Level monitor |
| 04/22/2009 | CN201225914Y Auxiliary electrode for capacitance type object location sensor |
| 04/22/2009 | CN201225913Y Liquid level detecting ruler |
| 04/22/2009 | CN201225912Y Long ton stock location electronic scale |
| 04/22/2009 | CN201225911Y Indoor indication water gage for water level of solar water heater tank |
| 04/22/2009 | CN201225910Y Horizontal pipe type steam dome hydrological gauge |
| 04/22/2009 | CN201225909Y Apparatus for measuring dam seepage line |
| 04/22/2009 | CN201225908Y Water level sensor for vehicle |
| 04/22/2009 | CN101413820A Method and apparatus for detecting and controlling liquid level by float ball |
| 04/22/2009 | CN101413819A Air bubble type water level measurer |
| 04/22/2009 | CN101412321A Liquid detector and liquid container having the same |
| 04/22/2009 | CN100481145C System and method for remote asset monitoring |
| 04/22/2009 | CN100480645C Coil impedance detection method, objection detection method and apparatus using the same |
| 04/22/2009 | CN100480644C Reservoir seal with fluid level indicator |
| 04/22/2009 | CN100480641C Pipe flow meter |
| 04/22/2009 | CN100480051C Recording apparatus and method for detecting the position of an ink container |
| 04/22/2009 | CN100479730C Water fullness type energy-saving bathtub |
| 04/21/2009 | US7523006 Measurement sensor assembly and method for measuring the quality of a fluid |
| 04/21/2009 | US7521944 System and method for detecting fluid in terminal block area of field device |
| 04/21/2009 | US7520283 Water level sensor and dishwasher having the same |