| 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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| 08/07/2013 | EP2623321A1 Inkjet printhead for printing with low density keep-wet dots |
| 08/07/2013 | EP2621637A1 Control method of a flotation machine that is used in metallurgical processes |
| 08/07/2013 | CN203116869U Dangerous goods vehicle tank temperature and liquid level monitoring terminal |
| 08/07/2013 | CN203116815U Liquid level meter |
| 08/07/2013 | CN203116814U Water level detecting structure of water tank |
| 08/07/2013 | CN203116813U Automobile water level sensor |
| 08/07/2013 | CN203116812U Liquid fullness alarm |
| 08/07/2013 | CN203116811U Oil capacity sensor device for light truck |
| 08/07/2013 | CN203116810U Vehicle wading sensor |
| 08/07/2013 | CN203116809U Magnetic flap level meter fixing block |
| 08/07/2013 | CN203116808U Automobile oil level sensor |
| 08/07/2013 | CN203116807U Water level observation system based on Beidou satellite |
| 08/07/2013 | CN203116806U Aircraft oil level sensor |
| 08/07/2013 | CN203116805U Household overflow detector |
| 08/07/2013 | CN203116804U Automobile oil mass measuring meter |
| 08/07/2013 | CN203116803U Wireless liquid level detection system |
| 08/07/2013 | CN203116802U Water level detector |
| 08/07/2013 | CN203116801U Liquid level metering device of liquefied natural gas (LNG) heavy duty truck |
| 08/07/2013 | CN203116800U Warning device of surface gathered water |
| 08/07/2013 | CN203116799U Controllable fluidic sensor |
| 08/07/2013 | CN203116798U Portable underground water electronic water level indicator |
| 08/07/2013 | CN203116797U Portable electronic water level detecting device |
| 08/07/2013 | CN203116796U Mounting bracket used for mounting non-contact-type water level monitoring equipment |
| 08/07/2013 | CN203116795U Electrode type anti-explosion liquidometer |
| 08/07/2013 | CN203116794U Anti-static charge level indicator |
| 08/07/2013 | CN203116793U Novel tobacco soot prevention metering tube |
| 08/07/2013 | CN203116792U Anti-rotating material level sensor |
| 08/07/2013 | CN203116791U Water level prewarning device |
| 08/07/2013 | CN203116790U Material level device of coke storage cabin |
| 08/07/2013 | CN203106816U Coffee-grounds box detection structure |
| 08/07/2013 | CN203106651U Straw toy |
| 08/07/2013 | CN103234603A Floater mechanism and measurement method used for measuring liquid level of liquid pressure meter |
| 08/07/2013 | CN103234602A Measuring method and device for photoelectric type wave rolling random signal |
| 08/07/2013 | CN103234601A Container for containing liquid |
| 08/07/2013 | CN103234600A Residential quarter water pipeline monitoring system based on sensor |
| 08/07/2013 | CN103234599A Basic parameter processing method for liquefied natural gas (LNG) liquid level detector |
| 08/07/2013 | CN103234598A Sensor device for LNG (Liquefied Natural Gas) storage tank |
| 08/07/2013 | CN103234597A Side-structured primary and secondary capacitance-type sensor |
| 08/07/2013 | CN103234596A Novel fuel level pressure sensor |
| 08/07/2013 | CN102506956B Arrangement method for fuel oil quantity sensors of airplanes |
| 08/07/2013 | CN102496240B Mud-rock flow early warning system |
| 08/06/2013 | US8502142 Charged particle beam analysis while part of a sample to be analyzed remains in a generated opening of the sample |
| 08/01/2013 | WO2013111847A1 Liquid level detection device and method |
| 08/01/2013 | WO2013111845A1 Thickener device in ore slurry manufacturing process and operation management method using same |
| 08/01/2013 | WO2013110783A2 Envelope calculation by means of phase rotation |
| 08/01/2013 | WO2013110764A1 Fill level measuring device |
| 08/01/2013 | WO2013110570A1 Application-specific integrated circuit and a measuring transducer having such a circuit |
| 08/01/2013 | WO2013110500A1 Tank outlet connection device for beverage preparation device |
| 08/01/2013 | WO2013083700A3 Ultrasound sensor for detecting the fill level of a liquid in a container |
| 08/01/2013 | US20130192352 Sensor device for measuring the flow and/or the level of a fluid or of a substance |
| 08/01/2013 | DE102012201466A1 Tank level sensor has sensor unit arranged in sensor housing, float arm rotatable around rotation axis and magnet fastened to float arm, where magnet and float arm are mechanically decoupled by spring element in direction of rotation axis |
| 08/01/2013 | DE102012201226A1 Admittanzmeßschaltung für kapazitive Füllstandssensoren Admittanzmeßschaltung for capacitive level sensors |
| 08/01/2013 | DE102012100813A1 Signallaufzeitmessung Signal propagation time measurement |
| 08/01/2013 | DE102012100768A1 Szintillationdetektor Szintillationdetektor |
| 08/01/2013 | DE102012100728A1 Vorrichtung zur Bestimmung und/oder Überwachung mindestens einer Prozessgröße Apparatus for determining and / or monitoring at least one process variable |
| 08/01/2013 | DE102012001580A1 Method for determining filling volume of usage liquid in storage tank of motor vehicle, involves detecting signal of fluid level sensor arranged in storage tank, where ultrasonic sensor is used as fluid level sensor |
| 07/31/2013 | EP2620754A1 Envelope calculation by means of phase shifting |
| 07/31/2013 | EP2619530A2 Apparatus and methods for automatically testing a servo gauge in an inventory management system |
| 07/31/2013 | EP2619529A2 Non-contact liquid sensing device |
| 07/31/2013 | EP2619372A1 Method and device for determining a volume of a settled bed in a mixture in a loading space |
| 07/31/2013 | CN203101982U Automatic alarming remote control device for flood gate |
| 07/31/2013 | CN203101157U Bath in which the liquid level position of concentrating cup can be directly viewed |
| 07/31/2013 | CN203100922U Water temperature and water level sensor |
| 07/31/2013 | CN203100834U Water level detection floater for kitchen appliance and kitchen appliance |
| 07/31/2013 | CN203100833U Double-floating-ball reed pipe liquid level and interface detection device |
| 07/31/2013 | CN203100832U Magnetostrictive sensor and fuel meter of motor vehicle fuel tank using same |
| 07/31/2013 | CN203100831U Vertical type anti-icing staff gauge |
| 07/31/2013 | CN203100830U Full-scale floating ball transmitter of vacuum tower tray overflow launder liquid level meter |
| 07/31/2013 | CN203100829U Urban flood disaster accumulated water depth measuring instrument |
| 07/31/2013 | CN203100828U Alarm device for oil quantity of oil storage cup |
| 07/31/2013 | CN203100827U Water level alarm |
| 07/31/2013 | CN203100826U Underpass bridge water level switch |
| 07/31/2013 | CN203100825U Sump water level measuring device for coal mine |
| 07/31/2013 | CN203100824U Level measurement device based on standing sound wave method and audio card |
| 07/31/2013 | CN203100823U Liquid level detector |
| 07/31/2013 | CN203100822U Liquefied natural gas (LNG) gas cylinder capacitive liquid level sensor |
| 07/31/2013 | CN203100821U Liquid level sensor structure |
| 07/31/2013 | CN203100820U Liquid level measuring device of high-viscosity mixed liquid materials |
| 07/31/2013 | CN203100819U Automobile fuel quantity measuring device |
| 07/31/2013 | CN203100818U Novel water conservancy monitoring pre-alarming device |
| 07/31/2013 | CN203100817U Material level detection device automatically controlled by computer |
| 07/31/2013 | CN203100816U Oil spilling detection device of generator oil groove |
| 07/31/2013 | CN203100815U Electromagnetic type multifunctional liquid level sensor |
| 07/31/2013 | CN203100814U Height detecting mechanism of liquid level |
| 07/31/2013 | CN203100780U Water temperature and water level sensor for water heater |
| 07/31/2013 | CN203096103U Material level indicator for charging bucket |
| 07/31/2013 | CN203095625U Liquid level testing system in closed reaction cylinder for organic clay synthesis |
| 07/31/2013 | CN203094856U Low material level audible and visual alarming device of perfuming and charging storage tank |
| 07/31/2013 | CN203094404U Bilge segmentation warning device for yacht |
| 07/31/2013 | CN203094028U Automobile brake cooling and spraying system |
| 07/31/2013 | CN203090628U Drainage settler and dehydration pry flash evaporation tank liquid level metering system comprising same |
| 07/31/2013 | CN103229026A Apparatus and methods for automatically testing a servo gauge in an inventory management system |
| 07/31/2013 | CN102519549B Digital-display specific surface area instrument liquid level acquisition device adaptive to ambient light changes |
| 07/31/2013 | CN102506960B Wireless monitoring device of pet cage environment state |
| 07/31/2013 | CN101520427B Water level sensor for farmland water based on wireless sensor network |
| 07/30/2013 | US8496309 Recording apparatus capable of detecting residual amount of ink in ink cartridge |
| 07/30/2013 | US8495913 Level measurement system |
| 07/30/2013 | CA2658772C Fluid dispense and liquid surface verification system and method |
| 07/30/2013 | CA2602714C Mems fluid sensor |
| 07/30/2013 | CA2580408C Aircraft fuel storage leak detection method and detection circuit therefor |