| 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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| 01/01/2014 | CN203376028U Ship machine liquid level sensor |
| 01/01/2014 | CN203376027U Capacitance type liquid level sensor capable of preventing short circuit and provided with three tubes |
| 01/01/2014 | CN203376026U Capacitance type liquid level sensor capable of preventing short circuit and provided with two tubes |
| 01/01/2014 | CN203376025U LNG gas cylinder double-cable double-capacitor self-adaption sensor |
| 01/01/2014 | CN203376024U Capacitive sensor of solar water heater |
| 01/01/2014 | CN203376023U Device for detecting liquid level of container |
| 01/01/2014 | CN203376022U Device for measuring liquid level of gas-liquid separator and gas-liquid separator with same |
| 01/01/2014 | CN203376021U Oil level indicating gauge for transmission oil storage cabinet |
| 01/01/2014 | CN203376020U Novel liquid level transmitter |
| 01/01/2014 | CN203376019U Geothermal well water level measuring device |
| 01/01/2014 | CN203376018U Multifunctional liquid level transmitter |
| 01/01/2014 | CN203376017U Dipstick |
| 01/01/2014 | CN203376016U Water level monitoring device of geothermal well |
| 01/01/2014 | CN203376015U Accurate optical quantitative metering device |
| 01/01/2014 | CN203375992U Serial resistance type device testing infiltration scope of stream banks |
| 01/01/2014 | CN103487117A Magnetic self-recording ruler and method for lowest water level of open channels |
| 01/01/2014 | CN103487116A Digital oil water demarcation face height measurement sensor |
| 01/01/2014 | CN103487115A Mobile phone digital code device for automatically transmitting peak stage signal |
| 01/01/2014 | CN103487114A 霍尔油位传感器 Hall oil level sensor |
| 01/01/2014 | CN103487113A River channel water depth monitoring device |
| 01/01/2014 | CN103487112A Jammed open-channel lowest-water-level self-recording scale and method |
| 01/01/2014 | CN103487111A Jammed open-channel highest-water-level self-recording scale and method |
| 01/01/2014 | CN103487110A Oil thievery prevention monitoring oil sensor of automobile |
| 01/01/2014 | CN103487109A Device for detecting sand amount position in sand box of rail transport vehicle |
| 01/01/2014 | CN103487108A Concave downward overpass water accumulating monitoring and traffic dispersion system |
| 01/01/2014 | CN103487107A Bubble type level gauge |
| 01/01/2014 | CN103487106A Cable tunnel water level real-time monitoring device |
| 01/01/2014 | CN103487105A Rotary support structure for sensors |
| 01/01/2014 | CN103487104A System and method for collecting and identifying images of capillary pipe liquid level type data |
| 01/01/2014 | CN103479226A Device for detecting water volume of water dispenser |
| 01/01/2014 | CN102680055B Water-hammer-preventing ultrasonic water level detection method |
| 01/01/2014 | CN102564534B Magnetic liquidometer for water level of steam drum |
| 12/31/2013 | US8620603 Fluid level sensing |
| 12/31/2013 | US8616053 Method and device for monitoring the fill level of a liquid in a liquid container |
| 12/31/2013 | CA2570418C Monitoring system |
| 12/27/2013 | WO2013192549A1 Thermochromic level indicator |
| 12/27/2013 | WO2013191467A1 Water discharge system for oil reserve tank |
| 12/27/2013 | WO2013189707A1 Fill state measuring device, and device for determining the dielectric constant |
| 12/27/2013 | WO2013189143A1 Ultrasonic liquid level measurement device |
| 12/27/2013 | WO2013189126A1 Method related to improving signal-to-noise ratio in passive nucleonic level gauge |
| 12/27/2013 | WO2013189125A1 Method related to determining switching point of a switch-type passive nucleonic level gauge |
| 12/27/2013 | WO2013189124A1 Method of determining material-level curve in continuous-type passive nucleonic level gauge |
| 12/25/2013 | EP2677339A1 Pulsed level gauge system with adaptive transceiver control |
| 12/25/2013 | EP2677285A2 Intermittent filling level determination with dynamically determined number of measurements |
| 12/25/2013 | EP2036196B1 Electronic system for a field device that is fed by an external electric energy supply |
| 12/25/2013 | CN203365041U Level measuring pressure transmitter for solid particles |
| 12/25/2013 | CN203365000U Overhead type sensor |
| 12/25/2013 | CN203364931U Special high-pressure resistant magnetic floater and turnover-column type floater liquid level gauge |
| 12/25/2013 | CN203364930U Liquid indicator of reed switch |
| 12/25/2013 | CN203364929U Water level warning device |
| 12/25/2013 | CN203364928U Level measurement device for pulp flotation |
| 12/25/2013 | CN203364927U Float liquid level meter |
| 12/25/2013 | CN203364926U Water level alarm device for culvert |
| 12/25/2013 | CN203364925U Simple and easy water level indicator |
| 12/25/2013 | CN203364924U Water level and water temperature detection device of solar water heater |
| 12/25/2013 | CN203364923U Single-cylinder diesel engine oil tank |
| 12/25/2013 | CN203364922U Automatic liquid-level distance measuring system |
| 12/25/2013 | CN203364921U Electric contact water level gauge with built-in electrode |
| 12/25/2013 | CN203364920U Accurate oil quantity calculating and displaying system |
| 12/25/2013 | CN203364919U Water-level automatic monitoring system for large caisson |
| 12/25/2013 | CN203364918U Condensate tank liquid level detection device for coal moisture control |
| 12/25/2013 | CN203364917U High-precision water level gauge and osmometer |
| 12/25/2013 | CN203364916U Diesel locomotive fuel oil amount detection sensor network system |
| 12/25/2013 | CN203364915U Diaphragm type mine sump water level monitoring sensor |
| 12/25/2013 | CN203364914U Floodometer |
| 12/25/2013 | CN203364913U Reflective water gauge |
| 12/25/2013 | CN203364912U Reflective hydrological staff gauge |
| 12/25/2013 | CN203364911U Novel hydraulic oil dipstick |
| 12/25/2013 | CN203364910U Underfeeding alarm control system of paving machine |
| 12/25/2013 | CN203364909U Household cleaning machine pressure boiler water level detector |
| 12/25/2013 | CN203364908U Liquid level measurer |
| 12/25/2013 | CN103472439A Method and system for calibration distance measuring device |
| 12/25/2013 | CN103471684A Flotation liquid level reflection-type ultrasonic test instrument and test method |
| 12/25/2013 | CN103471683A Motorcycle oil amount detection alarm |
| 12/25/2013 | CN103471682A On-line detection method and on-line detection system for supernatant liquid height of settling tank for liquid-solid separation |
| 12/25/2013 | CN103471681A Capacitance type oil level sensor filling method |
| 12/25/2013 | CN103471680A Water sump siltation measuring device |
| 12/25/2013 | CN103469520A Barrel collision and water level integrated sensor |
| 12/19/2013 | WO2013186688A1 Capacitive level sensor |
| 12/19/2013 | WO2013186317A1 Device for focusing a laser beam by camera |
| 12/19/2013 | US20130333466 Probe Unit |
| 12/19/2013 | US20130333465 Pulsed level gauge system with adaptive transceiver control |
| 12/19/2013 | DE102012210229A1 Circuit board for level sensor that is utilized for measuring level of fuel in fuel tank of motor car, has set of resistors connected with set of reed switches that are arranged next to each other on circular path |
| 12/19/2013 | DE102012105281A1 Füllstandsmessgerät und Vorrichtung zur Bestimmung der Dielektrizitätszahl Level Meter and apparatus for determining the dielectric constant |
| 12/18/2013 | EP2674733A2 Measuring device for monitoring the filling of drilled holes and method for filling drilled holes |
| 12/18/2013 | EP2673597A1 Separator installation and monitoring device |
| 12/18/2013 | EP2673596A1 Wading depth estimation for a vehicle |
| 12/18/2013 | CN203349903U Large pump pool liquid level measuring device |
| 12/18/2013 | CN203349902U Improved magnetostriction interface meter |
| 12/18/2013 | CN203349901U Novel slurry liquid level sensing device |
| 12/18/2013 | CN203349900U Simple type machine oil sensor |
| 12/18/2013 | CN203349899U Radar water level gauge |
| 12/18/2013 | CN203349898U Ignition gas tank liquid level measuring device for IGCC (integrated gasification combined cycle) power station |
| 12/18/2013 | CN203349897U Powdery material level detecting and controlling circuit |
| 12/18/2013 | CN203349896U Reservoir level detector |
| 12/18/2013 | CN203349895U Bubble type water level indicator capable of continuously measuring |
| 12/18/2013 | CN203349894U Liquid level mirror |
| 12/18/2013 | CN203349893U Liquid level stabilizing device for drum water level gauge |
| 12/18/2013 | CN203349892U Graduated water level tube |
| 12/18/2013 | CN203349891U Poly vinyl chloride (PVC) water level pipe |