| 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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| 03/15/2011 | US7907059 Sewage pipe alarm system and associated method |
| 03/15/2011 | US7905145 Capacitive gauge for fuel tank |
| 03/15/2011 | US7905144 Measuring device, and conductivity measuring device, for determining flow capacities of electroconductive liquids, measuring element, and method |
| 03/15/2011 | US7905143 Ultrasonic fuel level monitoring system incorporating an acoustic lens |
| 03/10/2011 | WO2011026177A1 A method of determining surface level, and a soil moisture sensor |
| 03/10/2011 | US20110058961 Combined oil level or condition sensor and sight oil level gage |
| 03/10/2011 | US20110056290 System and method for detection of liquid level in a vessel |
| 03/10/2011 | DE102009040588A1 Verfahren zur Bestimmung eines Ölfüllstandes A method for determining an oil level |
| 03/09/2011 | EP2293029A1 Optical system and method for detection of liquid level in a vessel |
| 03/09/2011 | CN201757661U Water level sensor |
| 03/09/2011 | CN201757660U Portable electronic measuring device of mud bed |
| 03/09/2011 | CN201757659U A portable type mud bed measurement device |
| 03/09/2011 | CN101490563B A fluid sensor |
| 03/08/2011 | US7900510 Marine trolling sensor |
| 03/03/2011 | WO2011023658A1 Device for detecting the presence of water |
| 03/03/2011 | US20110053780 Cryogen Level Probe |
| 03/03/2011 | US20110048126 Arrangement for fill-level measurement |
| 03/03/2011 | US20110048125 Level measurement using an inclined array of sources of ionising radiation |
| 03/03/2011 | DE102009039448A1 Fluid sensor i.e. capacitive fluid sensor, for detecting filling level in water separator utilized in anode recirculation line in fuel cell system to produce drive energy in e.g. ship, has ring arranged at region of sensitive surface |
| 03/03/2011 | DE102009039447A1 Surface cleaning method for e.g. fill level sensor of drain valve in fuel cell system that is utilized for supplying drive energy for motor vehicle e.g. aircraft, involves moving surfaces of sensor against wiping element to clean surfaces |
| 03/03/2011 | DE102009039445A1 Method for discharging fluid and/or gas from region through which gas stream flows, into discharge area, involves varying pulse control factor based on difference between two pressure levels |
| 03/03/2011 | DE102009039145A1 Method for monitoring filling level of e.g. fuel in fluid circuit of lorry, involves delivering warning message in dependent upon operating condition of vehicle, during lowering of preset threshold by determined value of filling level |
| 03/03/2011 | DE102009038946A1 Pressure measuring device for use as filling level measuring device for determining tank- and ambient pressure difference to measure filling level of waste water tank in vacuum toilet system of aircraft, has transmitter coupled to membrane |
| 03/03/2011 | DE102009038744A1 Anordnung zur Füllstandsmessung Arrangement for level measurement |
| 03/03/2011 | DE102009038514A1 Measuring stick cleaning device for cleaning or reading measuring stick, has channel element for executing measuring stick, where channel element has cleaning unit |
| 03/03/2011 | DE102009029099A1 Filling level sensor has substrate and conductive path that is applied on substrate, where conductive path is covered by glass- or ceramic layer |
| 03/02/2011 | EP2290335A1 Assembly for measuring fill level |
| 03/02/2011 | EP2290334A1 A cryogen level probe |
| 03/02/2011 | EP2290333A1 Fuel tank for stationary use and method for the detection of excess water in the fuel contained in said tank |
| 03/02/2011 | EP2289729A1 Fuel level sensing device |
| 03/02/2011 | CN201754102U Fuel sensor |
| 03/02/2011 | CN201754101U Fuel sensor |
| 03/02/2011 | CN201754100U Magnetic-induction liquid level sensor with metal floater |
| 03/02/2011 | CN201754099U Additive metering device and metering system comprising additive metering device |
| 03/02/2011 | CN101983321A Sensor for the detection of molten metal level |
| 03/02/2011 | CN101650210B Device for testing oil gas recovery effect used in oil depot |
| 03/02/2011 | CN101261149B Carbon powder canister material level meter |
| 03/01/2011 | US7899645 Acoustic assessment of characteristics of a fluid relevant to acoustic ejection |
| 03/01/2011 | US7899629 Method for determining the total leak rate of systems impinged upon by pressure, and control apparatus for carrying out said method |
| 03/01/2011 | US7896454 Remaining-liquid-amount display apparatus and remaining-liquid-amount display method |
| 03/01/2011 | US7895903 Method and apparatus for measuring a parameter of a fluid flowing within a pipe |
| 03/01/2011 | US7895891 Gas/liquid separator comprising a capacitive level sensor |
| 03/01/2011 | US7895890 Liquid depth sensing and identification system |
| 03/01/2011 | US7895889 Radar level gauge system with adaptive transmission power control |
| 02/24/2011 | WO2011020668A2 Measuring instrument for a process automation technique for determining and monitoring a chemical or physical process variable in a high-temperature process in a container |
| 02/24/2011 | WO2010112187A3 Sealing device for a device for measuring the fill level in a pressure vessel of a nuclear facility |
| 02/24/2011 | US20110044427 Level measurement apparatus |
| 02/24/2011 | US20110041600 Wiper assembly for fuel level indication |
| 02/24/2011 | US20110041599 Method for Operating a Tissue Processor |
| 02/24/2011 | DE102009028620A1 Messgerät der Prozessautomatisierungstechnik zur Ermittlung und Überwachung einer chemischen oder physikalischen Prozessgröße in einem Hochtemperatur-Prozess in einem Behälter Measuring device of process automation technology for determining and monitoring a chemical or physical process size in a high-temperature process in a container |
| 02/24/2011 | DE102006029606B4 Füllstandssensoreinrichtung für einen Vorratsbehälter mit einem Auslauf zur Bevorratung eines elektrisch leitfähigen Fluids eines Haushaltsgeräts Level sensor device for a reservoir with an outlet for the storage of an electrically conductive fluid of a household appliance |
| 02/24/2011 | DE102004062314B4 Füllstands-Messvorrichtung Level measuring device |
| 02/23/2011 | EP2286191A1 System and method for sensing liquid levels |
| 02/23/2011 | EP2286190A1 Volatile substance evaporator with substance end-of-life detector |
| 02/23/2011 | EP1451536B1 Radar antenna |
| 02/23/2011 | CN201751812U Autonomous light-emitting liquid level meter |
| 02/23/2011 | CN101981419A Liquid level detecting device |
| 02/23/2011 | CN101981415A Method for measuring the volume flow of electrically conductive liquids through a vessel |
| 02/23/2011 | CN101979967A Liquid level detecting device |
| 02/23/2011 | CN101979966A 水位电极 Water level electrode |
| 02/23/2011 | CN101506626B Liquid level measurement device |
| 02/22/2011 | US7893603 Apparatus for determining and/or monitoring a process variable |
| 02/22/2011 | US7892217 Variable cross-section containment structure liquid measurement device |
| 02/22/2011 | US7891243 Sensor for the contactless detection of the level of a liquid and adhering high-conductivity medium, especially blood, through a non-metal wall of a container |
| 02/22/2011 | US7891242 Sensing device |
| 02/22/2011 | US7891241 Remote fire extinguisher station inspection |
| 02/22/2011 | CA2399181C Fluid dispense and liquid surface verification system and method |
| 02/17/2011 | WO2011018312A1 Multivariable sensor for determining and/or monitoring the fill level and density and/or viscosity of a fluid in a tank |
| 02/17/2011 | WO2010151327A3 Liquid level and quality sensing apparatus, systems and methods using emf wave propagation |
| 02/17/2011 | WO2010001089A8 Structural determination apparatus and method |
| 02/17/2011 | US20110040503 System, method and apparatus for monitoring fluid storage and dispensing systems |
| 02/17/2011 | US20110036165 Contactless liquid level sensor |
| 02/17/2011 | US20110036164 Level sensing controller and method |
| 02/17/2011 | US20110036163 Method for Filling a Pressurized Gas Tank |
| 02/17/2011 | US20110035920 Cleanable sight glass |
| 02/17/2011 | DE19709422B4 Vorrichtung zur Messung von hydraulischen Durchflußmengen und Leckagen an einem Prüfling Device for measuring hydraulic flow rates and leakages in a test piece |
| 02/17/2011 | DE102009032811A1 Frequenzsynthesizer für ein Füllstandsmessgerät und Füllstandsmessgerät Frequency synthesizer for a level gauge and level gauge |
| 02/16/2011 | EP2284503A1 Treatment device for fluids and method for operating the device |
| 02/16/2011 | EP2284502A1 Device for determining and/or monitoring the fill level of a bulk good in a container |
| 02/16/2011 | EP2283382A1 High sensitivity frequency modulated radar level gauge system |
| 02/16/2011 | EP2283325A1 Electromagnetic flowmeter and method with full pipe detection by the help of third electrode |
| 02/16/2011 | EP1221026B1 Method for increasing the interference resistance of a time frame reflectometer and a circuit device for implementing said method |
| 02/16/2011 | CN201749192U Vehicle-mounted GPS positioning terminal, vehicle and vehicle remote monitoring management system |
| 02/16/2011 | CN201748985U Electrodeless capacitor-type solar water temperature and water level sensor |
| 02/16/2011 | CN201748958U Anticorrosion steel band level gauge |
| 02/16/2011 | CN201748957U Closed ultrasonic material-level sensor |
| 02/16/2011 | CN201748956U Photoelectric liquid level sensor |
| 02/16/2011 | CN201748955U Non-contact capacitance liquid level meter |
| 02/16/2011 | CN201748954U Full oil warning device for integrated environment protection electric appliances |
| 02/16/2011 | CN201748953U Oil level height alarm device for oil storage tank |
| 02/16/2011 | CN201748952U Explosionproof liquid level gauge with heating device |
| 02/16/2011 | CN201748951U Metering tank of soluble sulfur liquid |
| 02/16/2011 | CN201748941U Venturi automation water measuring device |
| 02/16/2011 | CN201748679U Solar energy water feeding alarm system |
| 02/16/2011 | CN201745902U Novel protection device for water level detecting electrode rod |
| 02/16/2011 | CN201744063U Negative pressure wound therapy system capable of detecting liquid capacity in liquid collection bottle |
| 02/16/2011 | CN101975679A Exactly temperature-measuring and sampling system of molten steel and method thereof |
| 02/16/2011 | CN101975627A System for detecting temperature and depth of sea water by fiber bragg grating |
| 02/16/2011 | CN101975604A Liquid level height measuring device based on Rayleigh scattering |
| 02/16/2011 | CN101975603A Liquid level detector |