| 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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| 07/10/2013 | CN203053517U Fiber Bragg grating water-soil interface sensor |
| 07/10/2013 | CN203053516U Dip angle displaying type liquid indicator |
| 07/10/2013 | CN203053515U Subsidence area surface water and ground water level monitoring device |
| 07/10/2013 | CN203053514U Electronic digital display liquid metering device |
| 07/10/2013 | CN203053513U Non-leakage liquid indicator of electric contact |
| 07/10/2013 | CN203053512U Digital display type oil-water interface detecting instrument |
| 07/10/2013 | CN203050961U Two-way and in-parallel transparent-barrel-body oil purifying device with electronic water-level sensing function |
| 07/10/2013 | CN203050956U Two-way parallel totally-transparent oil purification device with water level electronic sensing function |
| 07/10/2013 | CN203049334U Electric iron with water level reminding function |
| 07/10/2013 | CN203047890U Liquid storage tank with measuring device |
| 07/10/2013 | CN103201600A Systems and methods of determining a quality and/or depth of diesel exhaust fluid |
| 07/10/2013 | CN103196521A Float switch type free flow discharge forecast device for upper reservoir dam of pumped storage power plant |
| 07/10/2013 | CN103196520A Transmission-type optical fiber liquid level sensor with irregular core structure |
| 07/10/2013 | CN103196519A Alarm device for detecting seeper depth in bridge opening and detection method thereof |
| 07/10/2013 | CN103196518A Transformer and respirator online monitor and operating method thereof |
| 07/10/2013 | CN103196517A Hydraulic point machine oil tank oil level monitoring alarm device |
| 07/10/2013 | CN103196516A Method and device for detecting water depth of mobile terminal |
| 07/10/2013 | CN103196515A Wave and tide level testing device |
| 07/10/2013 | CN103196514A Image-based micro-chemical process liquid level detecting method |
| 07/10/2013 | CN103196513A Tide display method and system for ship |
| 07/10/2013 | CN103196037A Internally integral primary-secondary capacitance type sensor |
| 07/10/2013 | CN102519546B Liquid level indicator and container using same |
| 07/10/2013 | CN102246012B Vibrating element apparatus |
| 07/10/2013 | CN101809421B Liquid level measurement device and method |
| 07/09/2013 | US8479573 Fluid level sensor |
| 07/09/2013 | US8479572 Bubble column type hydrocarbon synthesis reactor, and slurry level detecting method |
| 07/04/2013 | WO2013100757A1 Flood control device |
| 07/04/2013 | US20130167631 Compact Reflective Level Indicator with Glass Element |
| 07/04/2013 | US20130167613 Devices and Systems for Liquid Level Detection in Hematology Instruments, and Methods Related Thereto |
| 07/04/2013 | DE102012200065A1 Device for measuring level of foam-forming liquid in container e.g. fermenter used in pharmaceutical and biotechnology fields, determines presence of foam layer on liquid surface based on primary and secondary filling level values |
| 07/04/2013 | DE102012106750A1 Verfahren zur Herstellung eines elektrisch leitenden Segments und ein elektrisch leitendes Segment A process for producing an electrically conductive segment, and an electrically conductive segment |
| 07/04/2013 | DE102012102658A1 Elektromechanisches Füllstandmessgerät nach dem Verdrängerprinzip oder Senklotprinzip zur Bestimmung des Füllstands eines Füllguts in einem Behälter Electromechanical level measuring device according to the displacement or Senklotprinzip for determining the level of a product in a container |
| 07/04/2013 | DE102011090015A1 Vorrichtung zur Bestimmung und/oder Überwachung mindestens einer Prozessgröße Apparatus for determining and / or monitoring at least one process variable |
| 07/04/2013 | DE102011090014A1 Vorrichtung zur Bestimmung und/oder Überwachung mindestens einer Prozessgröße Apparatus for determining and / or monitoring at least one process variable |
| 07/03/2013 | EP2610594A2 Compact reflective level indicator with glass element |
| 07/03/2013 | EP2610062A1 Liquid cartridge and liquid supplying device |
| 07/03/2013 | CN203037323U Coated magnetic floating ball with adjustable magnetic position |
| 07/03/2013 | CN203037322U Floating ball liquidometer applied to liquid level measurement of plane with big fluctuations and slag |
| 07/03/2013 | CN203037321U Liquid level detection device |
| 07/03/2013 | CN203037320U Oil level alarm device of transformer |
| 07/03/2013 | CN203037319U Photoelectric accurate sensing measurement device of automobile oil mass |
| 07/03/2013 | CN203037318U Magnetism displacement switch sensing device |
| 07/03/2013 | CN203037317U Remote water level monitoring device based on global system for mobile communication (GSM) |
| 07/03/2013 | CN203037316U Digital material level meter device |
| 07/03/2013 | CN203037315U Ultrasonic liquid level meter |
| 07/03/2013 | CN203037314U Ultrasonic wave liquid level measurement device |
| 07/03/2013 | CN203037313U High-precision container material distance measurement system |
| 07/03/2013 | CN203037312U Water level sensor |
| 07/03/2013 | CN203037311U Liquid level sensor |
| 07/03/2013 | CN203037310U Liquid level detection device for fuel tank of automobile |
| 07/03/2013 | CN203037309U Electronic water gauge |
| 07/03/2013 | CN203037308U Water level variation monitoring system |
| 07/03/2013 | CN203037307U Intelligent water level and temperature sensor |
| 07/03/2013 | CN203037306U Water level out-of-limit remote alarm device |
| 07/03/2013 | CN203035693U Connecting part and device |
| 07/03/2013 | CN203030572U Air blowing port flushing device of air blowing type liquid level meter |
| 07/03/2013 | CN103189720A Container having a detection device for determining a condition of the container and monitoring system for dynamic condition monitoring having at least one such container |
| 07/03/2013 | CN103186942A Bill box, bill processing device and bill box state detection method |
| 07/03/2013 | CN103185627A Anti-clamping mechanism of water level float bowl |
| 07/03/2013 | CN103185626A Reservoir level tester for pumped storage power plant and installation method of reservoir level tester |
| 07/03/2013 | CN103185625A Optical fiber semi-absolute-value encoder |
| 07/03/2013 | CN103185624A Sensor device |
| 07/03/2013 | CN103185623A Compact reflective level indicator with glass element |
| 07/03/2013 | CN103185622A Liquid loading device and control method thereof |
| 07/03/2013 | CN103185619A Measurement method and measurement device used for precisely quantifying liquid volume |
| 07/03/2013 | CN103183110A Standalone liquid level sensing apparatus for tensioner system |
| 07/03/2013 | CN103182932A Car-mounted metering oil tank |
| 07/03/2013 | CN102393761B 环境监测系统 Environmental Monitoring System |
| 07/03/2013 | CN102365534B Liquid level detection device |
| 07/03/2013 | CN101382534B Methods for detecting oil deterioration and oil level |
| 07/02/2013 | US8474315 Capacitive liquid-level sensor |
| 07/02/2013 | US8474314 Fill level switch and sensor element for a fill level switch |
| 07/02/2013 | CA2610510C Scan lock and track fluid characterization and level sensor apparatus and method |
| 07/02/2013 | CA2444188C Improvements in fluid measurements in a reaction vessel used in conjunction with a clinical analyzer |
| 06/27/2013 | WO2013096790A1 Two-wire process variable indicator with microencapsulated electrophoretic display |
| 06/27/2013 | WO2013095988A1 Variable orientation fluid level sensor with optional slosh guard |
| 06/27/2013 | WO2013095735A1 Pool level indication system |
| 06/27/2013 | WO2013093357A1 Sensor support for a reactor undergoing charging |
| 06/27/2013 | WO2013092577A2 Filling level indicator |
| 06/27/2013 | WO2013092100A1 Method and measuring device for distance measurement |
| 06/27/2013 | WO2013092099A1 Method and measuring device for fill level measurement |
| 06/27/2013 | US20130166227 System and method for an acoustic monitor self-test |
| 06/27/2013 | US20130160871 Variable orientation fluid level sensor with optional slosh guard |
| 06/27/2013 | US20130160862 Pressure-tank water-level control method in a piping system using a level transmitter and a level switch |
| 06/27/2013 | US20130160541 Method and device for detecting the tank filling level in a motor vehicle |
| 06/27/2013 | US20130160433 Apparatus for measuring the filling level of a urea container having an ultrasound sensor and motor vehicle having a urea container |
| 06/27/2013 | DE102011122127A1 Verfahren und Vorrichtung zur Tankfüllstandserfassung in einem Kraftfahrzeug Method and apparatus for tank level detection in a motor vehicle |
| 06/27/2013 | DE102011089997A1 Filtervorrichtung mit einem Wassersammelbereich Filter device with a water collection area |
| 06/27/2013 | DE102011089760A1 Hydrospeichereinrichtung Hydro storage device |
| 06/27/2013 | DE102011089685A1 Measuring arrangement for determining level and/or concentration of e.g. oil in oil tank mounted in motor car, has deflection device whose interface is formed on prism shaped element in which sound waves are propagated and impinged |
| 06/27/2013 | DE102011089526A1 Transmitter housing for receiving e.g. pressure meter of transmitter for use in industrial application, has seal ring arranged in gap-free manner with respect to upper and lower housing portions |
| 06/27/2013 | DE102011089427A1 Method for alignment of measuring device for measuring filling material level in container, involves determining ratio of propagation velocities based on ratio of amplitude of reflected signal components to total reflection amplitude |
| 06/26/2013 | EP2607865A2 Device and method for measuring the tank fill level in a motor vehicle |
| 06/26/2013 | EP2606345A1 Method and device for supplying liquids to analysis units and liquid handling systems |
| 06/26/2013 | EP2606321A1 Urea container comprising ultrasound sensor |
| 06/26/2013 | EP2606320A1 Device for determining and/or monitoring at least one predetermined fill level |
| 06/26/2013 | CN203025571U Flooding alarming and danger-eliminating system of power distribution room |
| 06/26/2013 | CN203024841U Reed magnetic switch type liquid level transmitter |
| 06/26/2013 | CN203024840U Hall magnetic sensing type liquid level transmitter |
| 06/26/2013 | CN203024839U Variable-resistance automobile water level early-warning device |