| 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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| 01/27/2011 | US20110022337 Method of Estimating the Volume of a Pressurized Gas Container |
| 01/27/2011 | US20110016970 Liquid level detecting device |
| 01/27/2011 | US20110016969 Developer liquid level sensor |
| 01/26/2011 | EP2278282A1 Magnetic flux oil level sensor for use on aircraft lubrication systems |
| 01/26/2011 | EP2277018A1 Radar level gauge system using a waveguiding structure with periodically arranged reference impedance transitions |
| 01/26/2011 | CN201726427U Vehicle-mounted positioning terminal |
| 01/26/2011 | CN201725423U Novel by-tank meter of liquid-level display equipment |
| 01/26/2011 | CN201725408U Pre-warning device for monitoring liquid level variable data accurately |
| 01/26/2011 | CN201725043U Electromagnetic type self-recording rain gauge |
| 01/26/2011 | CN201724922U Coaxial electrode with temperature compensation function |
| 01/26/2011 | CN201724715U Liquid level sensor |
| 01/26/2011 | CN201724714U Water tank pre-overflow informing device |
| 01/26/2011 | CN201724713U Non-contact type oil-water interface detecting device |
| 01/26/2011 | CN201724712U Guided wave radar liquid level meter |
| 01/26/2011 | CN201724711U Non-contact type liquid level detecting device as well as etching machine and cleaning machine |
| 01/26/2011 | CN201724710U Liquid level sensor for vehicle washing system |
| 01/26/2011 | CN201724709U Pumping box water level-monitoring control circuit |
| 01/26/2011 | CN201724708U Water level sensor of washing machine |
| 01/26/2011 | CN201724707U Device for detecting water levels of watercourse and lake |
| 01/26/2011 | CN201724706U Oil discharge safety monitor |
| 01/26/2011 | CN201724672U Water surface and river bottom signal device |
| 01/26/2011 | CN201723429U Drainage alarm device for ironmaking clean water pump room |
| 01/26/2011 | CN201722568U Mortar vehicle and finished product hopper capacity detecting system thereof |
| 01/26/2011 | CN201722537U Clothes dryer with water level sensor |
| 01/26/2011 | CN101960272A Vibratig element apparatus |
| 01/26/2011 | CN101960271A Vibrating element apparatus |
| 01/26/2011 | CN101960270A Vibrating element apparatus |
| 01/26/2011 | CN101958034A Automatic early warning system for precipitation engineering |
| 01/26/2011 | CN101957228A Cleaning solution level detection device |
| 01/26/2011 | CN101957227A Photonic crystal fiber optic liquid level sensor and sensing system formed by same |
| 01/26/2011 | CN101957226A Passive nuclear material level measurement device |
| 01/26/2011 | CN101957225A Jointed bonding wire-sensing liquid-depth sensor type liquid depth measuring device |
| 01/26/2011 | CN101713679B Device for monitoring quantity and quality of leakage water |
| 01/26/2011 | CN101706304B Method and equipment for monitoring liquid levels in real time in large-scale polymeric kettle reaction process |
| 01/26/2011 | CN101598589B Device for itinerantly measuring blast furnace charge level |
| 01/26/2011 | CN101504302B Transmitting-receiving integrated linear array CCD optical liquid level measuring method and device |
| 01/26/2011 | CN101356425B A jetting apparatus and method of improving the performance of a jetting apparatus |
| 01/25/2011 | US7874197 Measuring liquid flow rate from a nozzle |
| 01/20/2011 | WO2011008007A2 Windbreak for hyetometer |
| 01/20/2011 | WO2010121124A3 Hermetic glass-to-metal seal assembly and method of manufacturing hermetic glass-to-metal seal assembly |
| 01/20/2011 | WO2010088591A4 Side illuminated multi point multi parameter optical fiber sensor |
| 01/20/2011 | US20110012592 Magnetic flux oil level sensor for use in aircraft lubrication systems |
| 01/20/2011 | US20110011891 Method and device to measure the level of pressurized liquid in a siphon container |
| 01/20/2011 | US20110011178 Sensor arrangement for determining a tank fill level, and method for producing it |
| 01/20/2011 | US20110011177 Liquid level sensor for galley inserts |
| 01/20/2011 | DE102009027499A1 Device for use in espresso machine for displaying filling level in container for e.g. coffee powder, has float assembly arranged in smaller chamber of container, where fluid and/or pomace are collected in larger chamber of container |
| 01/19/2011 | EP2275759A1 Refrigerator |
| 01/19/2011 | EP2275758A1 Refrigerator |
| 01/19/2011 | EP2274584A2 Method and apparatus for real-time calibration of a liquid storage tank level gauge |
| 01/19/2011 | EP2274583A1 Method and device for monitoring the fill level of a liquid in a liquid container |
| 01/19/2011 | CN201716280U Automobile fuel identifying, digital measuring and energy-saving promoting instrument |
| 01/19/2011 | CN201716086U Magnetic-suspension type electronic double-colored liquid indicator |
| 01/19/2011 | CN201716085U Liquid volume detection device with float |
| 01/19/2011 | CN201716084U High pressure titanium bulb floater type light display water level gauge |
| 01/19/2011 | CN201716083U Vibration resistant magnetic turning bead |
| 01/19/2011 | CN201716082U Asymmetrical magnetic steel component |
| 01/19/2011 | CN201716081U Coil surrounding type warning flow meter |
| 01/19/2011 | CN201716080U Photoelectric indicating instrument for oil dip rod |
| 01/19/2011 | CN201716079U High pressure water level meter with a television monitoring system |
| 01/19/2011 | CN201716078U Signal processing module of liquid level transmitter |
| 01/19/2011 | CN201716077U High-temperature ceramic radio-frequency admittance probe |
| 01/19/2011 | CN201716076U Oil-water interface intelligent analysis measurement and control system |
| 01/19/2011 | CN201716075U Dismountable radio frequency admittance probe |
| 01/19/2011 | CN201716074U Dust-proof device for weight type level meter |
| 01/19/2011 | CN201716073U Material level measuring device |
| 01/19/2011 | CN201716072U Operated liquid level meter with adjustable zero position |
| 01/19/2011 | CN201716071U Water level information monitoring device for municipal drainage pipe network |
| 01/19/2011 | CN201716070U Novel differential powder level detection device for negative-pressure system |
| 01/19/2011 | CN201716069U Device for measuring water-level fluctuation automatically |
| 01/19/2011 | CN201716068U Cold light source high pressure water level gauge |
| 01/19/2011 | CN201716067U High definition display quartz tube double-coloured liquid indicator |
| 01/19/2011 | CN201716066U Intelligent acousto-optic language alarm secondary water level gauge |
| 01/19/2011 | CN201716065U Sound warning water measuring and oil measuring device |
| 01/19/2011 | CN201716064U Coupling transmission box working oil level measuring device |
| 01/19/2011 | CN201715751U Solar sensor |
| 01/19/2011 | CN201714525U Electric fuel pump assembly |
| 01/19/2011 | CN201714518U Automobile fuel tank with automatic heating and oil level display integrated device |
| 01/19/2011 | CN201714373U Mining ultrasonic water level sensor |
| 01/19/2011 | CN201709988U Automatic full water alarming cup |
| 01/19/2011 | CN101952693A Method for checking the state of a pipette, pipetting method, pipetting device, and suction tube for a pipetting device |
| 01/19/2011 | CN101952692A Method for determining filling time |
| 01/19/2011 | CN101949726A Portable water level gauge |
| 01/19/2011 | CN101949725A New liquid angular position sensor and water level measuring method |
| 01/19/2011 | CN101949724A Fluid condition and level sensor |
| 01/19/2011 | CN101949723A Novel wireless remote measuring and controlling water level instrument |
| 01/19/2011 | CN101949722A Fuel indicator method |
| 01/19/2011 | CN101949721A Method for measuring coal bunker material level based on laser and binocular vision and device thereof |
| 01/19/2011 | CN101949600A Water level/water temperature sensor structure for project header of solar hot water project |
| 01/19/2011 | CN101551677B Water level automatic control method |
| 01/19/2011 | CN101535780B Water level measuring device and water level measuring method |
| 01/19/2011 | CN101523166B Apparatus for determining and/or monitoring a process variable |
| 01/19/2011 | CN101014875B Radar level gauge with switch for selecting transmitter or receiver mode |
| 01/18/2011 | US7872746 Single light source uniform parallel light curtain |
| 01/13/2011 | WO2011005899A1 Monitoring of fuel for power limited devices |
| 01/13/2011 | WO2011005748A2 Fluid tank and fluid level sender with external signaling feature |
| 01/13/2011 | WO2011004765A1 Liquid tank and fuel cell |
| 01/13/2011 | WO2011004319A1 Apparatuses and methods for managing liquid volume in a container |
| 01/13/2011 | WO2011003289A1 Intelligent metrical instrument for liquid |
| 01/13/2011 | WO2010111450A3 Ultrasonic liquid level monitoring system |
| 01/13/2011 | WO2010107870A3 Fuel level meter for industrial vehicles |