| 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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| 04/20/2011 | CN102023043A Apparatus for detecting residual liquid quantity |
| 04/20/2011 | CN101691956B Bottom-mounted sensor for solar water heater |
| 04/20/2011 | CN101666666B Water overflow detector sleeved on tail end of water pipe |
| 04/20/2011 | CN101566492B Liquid storage tank liquid-level meter |
| 04/20/2011 | CN101218903B Automatic alarm device for aquatic animal oviposition |
| 04/19/2011 | US7926345 Apparatus for measuring a filling level |
| 04/19/2011 | US7926344 Ultrasonic fluid level sensing using a dry couplant |
| 04/19/2011 | US7926341 System and method for sensing the level and composition of liquid in a fuel tank |
| 04/19/2011 | CA2546993C Fuel tank level monitoring system and method |
| 04/16/2011 | CA2715296A1 Method and apparatus for detection of phase separation in storage tanks |
| 04/14/2011 | US20110087448 Device For Processing Tissue Samples |
| 04/14/2011 | US20110084848 Illuminated Level |
| 04/14/2011 | US20110083504 Device for measuring the fill level in a liquid container |
| 04/14/2011 | US20110083503 Methods and Apparatus for Designing a Cement Composition |
| 04/14/2011 | DE102009049676A1 Vorrichtung und Verfahren zur Füllstandsmessung in beliebig geformten Behältnissen, insbesondere innerhalb von Kraftfahrzeugtanks Apparatus and method for level measurement in arbitrarily shaped containers, in particular within the motor vehicle tank |
| 04/14/2011 | DE102005057077B4 Vorrichtung zum Scannen von Zuständen von Motoröl Apparatus for scanning states of engine oil |
| 04/14/2011 | DE10045997B4 Stutzen für eine nach dem Prinzip der geführten Mikrowelle arbeitenden Füllstandmesseinrichtung mit Eindrahtleitung Piece for a functioning according to the principle of guided wave level measuring device with single-wire |
| 04/14/2011 | CA2776579A1 System and method for sensing a liquid level |
| 04/13/2011 | EP2309235A1 Segment-based signal processing |
| 04/13/2011 | EP2309234A1 Dipstick for checking the level of oil in the engine of a motor vehicle |
| 04/13/2011 | CN201795842U Intelligent oil level on-line monitoring instrument for transformer |
| 04/13/2011 | CN201795841U Liquid level detector |
| 04/13/2011 | CN201795840U Floating ball detection device for ethanol storage tank |
| 04/13/2011 | CN201795839U Oil-level gauge for transformer or oil conservator |
| 04/13/2011 | CN201795838U Online monitoring device for water intake of cable duct |
| 04/13/2011 | CN201795837U Motor oil leakage alarm device of vertical mixer |
| 04/13/2011 | CN201795836U Low-power water level remote measuring terminal |
| 04/13/2011 | CN201795835U Liquid level detection anti-dew deposition device for cooling water tank |
| 04/13/2011 | CN201795834U Full automatic capacitance type water level sensor |
| 04/13/2011 | CN201795833U Capacitance type sensor for liquid level detection |
| 04/13/2011 | CN201795832U Mineral pulp liquid level measuring device |
| 04/13/2011 | CN201795831U Tower reflective hydrological ruler |
| 04/13/2011 | CN201795830U Liquid level meter communicating pipe blockage preventing device |
| 04/13/2011 | CN201795196U Pipe hoop with water level gauge |
| 04/13/2011 | CN201791126U Disinfectant liquid atomization detecting device for pipeline disinfection machine |
| 04/13/2011 | CN201790463U Water cup for blind people |
| 04/13/2011 | CN201790456U Cup for blind |
| 04/13/2011 | CN201790455U Cup capable of warning user of water spillage |
| 04/13/2011 | CN102016964A Water level display device using led, and water level measurement system including the same |
| 04/13/2011 | CN102016524A Radar level gauge system using a waveguiding structure with periodically arranged reference impedance transitions |
| 04/13/2011 | CN102016523A Method and device for monitoring the fill level of a liquid in a liquid container |
| 04/13/2011 | CN102012250A Split assembly and disassembly method and device for magnetic float liquid level sensor |
| 04/13/2011 | CN102012249A Piezoelectric type torsional wave transducer and piezoelectric transduction type magnetostrictive sensor |
| 04/13/2011 | CN102012248A Capacitance type water level sensor |
| 04/13/2011 | CN102012247A Blowing level meter with flow and temperature compensation functions |
| 04/13/2011 | CN102012245A State detection device |
| 04/13/2011 | CN101694397B Method and device for automatically measuring ascending/descending one-way movement of water level |
| 04/13/2011 | CN101598587B Multi-water level vegetation evapotranspiration measuring device |
| 04/13/2011 | CN101480509B Device for indirectly observing medicine amount in light-shading bottle |
| 04/13/2011 | CN101398325B Weight computation method for hot-metal ladle car |
| 04/12/2011 | US7924217 High sensitivity frequency modulated radar level gauge system |
| 04/12/2011 | US7924216 Method of determining a disturbance echo profile for a radar level gauge system |
| 04/12/2011 | CA2651721C Inspection port |
| 04/07/2011 | WO2011041480A1 Process device with sampling skew error correction |
| 04/07/2011 | WO2011040741A2 Water-level sensor for flower pots, and a flower pot |
| 04/07/2011 | WO2011039448A1 Immersion probe, in particular for oil level checks, associated production method and insert for carrying out said method |
| 04/07/2011 | WO2011039446A1 Probe for measuring the oil level in a housing of a motor vehicle, consisting of a polymer material |
| 04/07/2011 | WO2011039266A1 Vibration level sensor |
| 04/07/2011 | WO2011038985A1 Method for determining and/or monitoring at least one physical process parameter |
| 04/07/2011 | WO2011038875A1 Mould for processing molten metal material |
| 04/07/2011 | US20110079078 Fuel Level Sensor |
| 04/07/2011 | DE102010038793A1 Force detection system for evaluating and displaying total force required for determining fill level of e.g. gas container, has force measuring sensor for supporting pivotably supported lever against weight of container suspended at lever |
| 04/06/2011 | EP2304394A1 Metering device for powdery substances |
| 04/06/2011 | EP1266194B1 Method and device for detecting and/or monitoring the level of a medium in a container |
| 04/06/2011 | EP1250573B1 Method and device for measuring concentrations of conductive fractions in fluids |
| 04/06/2011 | CN201788000U Flow measuring device and float thereof |
| 04/06/2011 | CN201787999U Water level measuring scale |
| 04/06/2011 | CN201787998U Portable electronic water-level water thermometer |
| 04/06/2011 | CN201787997U Probe aiming and protecting device for ultrasonic level indicator in crusher cavity |
| 04/06/2011 | CN201787996U Measuring probe of oil-water interface measuring instrument |
| 04/06/2011 | CN201787995U Source jar liquid level measurement device for solar cell diffusion |
| 04/06/2011 | CN201787994U Billet signal detection device for lower roller bed of charging table |
| 04/06/2011 | CN201787993U Contactless level meter mounting bracket |
| 04/06/2011 | CN201787992U Signal detection device for soymilk machine and soymilk machine comprising the same |
| 04/06/2011 | CN201787180U Tap with water gage |
| 04/06/2011 | CN201783010U Catheterization device with warning function |
| 04/06/2011 | CN102007424A Apparatus and method for improving the accuracy of measurements taken with a capacitance-type sensor |
| 04/06/2011 | CN102007384A Contactless liquid level sensor |
| 04/06/2011 | CN102007383A Radar level gauging system with galvanically isolating communication link |
| 04/06/2011 | CN102003991A Rotating shaft magnetic coupling type inner float ball level gauge |
| 04/06/2011 | CN102003990A Online deep dynamic level-temperature measuring system for geothermal well |
| 04/06/2011 | CN102003989A A cryogen level probe |
| 04/06/2011 | CN102003988A Intermittently bubbling type liquid indicator |
| 04/06/2011 | CN102003762A Humidifier |
| 04/06/2011 | CN102003562A Water level detecting faucet |
| 04/06/2011 | CN102003248A Method for measuring lubricating oil level and sensor |
| 04/06/2011 | CN102003177A Hydrogeological parameter observation instrument for underground single drill hole |
| 04/06/2011 | CN102002842A Apparatus for guarding pressure sensor for washing machine |
| 04/06/2011 | CN101706311B Magnetic suspension type double-purpose meter for water levels and layered settlement |
| 04/06/2011 | CN101696763B Detection self-control device of helical wet gas holder |
| 04/06/2011 | CN101644596B Liquid level measuring meter |
| 04/06/2011 | CN101627287B Device for monitoring the level of the condensate collected in the measuring cylinder of a standardized distillaton apparatus and method implemented by using this device |
| 04/06/2011 | CN101520338B Photoelectric chemical slurry interface-measuring device |
| 04/06/2011 | CN101508204B Container capable of measuring article residual content |
| 04/06/2011 | CN101506625B Apparatus for determining and/or monitoring a process variable of a medium |
| 04/05/2011 | US7921002 Method and system for simulating flow of fluid around a body |
| 04/05/2011 | US7918133 Liquid level sensing apparatus |
| 04/05/2011 | US7918132 Power generation device, fuel package, and remaining fuel amount measuring device |
| 04/05/2011 | CA2678939A1 System and method for measuring the quantity of liquid in a tank, bottle or reservoir |
| 03/31/2011 | WO2011035935A1 Ink cartridge for ink jet printers |