| 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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| 01/02/2013 | CN202648757U Built-in magnetic liquidometer |
| 01/02/2013 | CN202648756U Water level detection and tsunami alarm |
| 01/02/2013 | CN202648755U Monitoring device used for transformer oil level |
| 01/02/2013 | CN202648754U High-viscosity medium liquid level measuring device |
| 01/02/2013 | CN202648753U Water-level automatic measurement and transmission device |
| 01/02/2013 | CN202648752U Protection device for external electric liquid level indicator |
| 01/02/2013 | CN202648751U Liquid level sensor inside fuel tank |
| 01/02/2013 | CN202648750U Ultrasonic measurement and control device |
| 01/02/2013 | CN202648749U Laser water level gauge |
| 01/02/2013 | CN202648748U Integral radar water level remote measuring terminal |
| 01/02/2013 | CN202648747U Piezoelectric frequency contact type liquid level switch |
| 01/02/2013 | CN202648746U Field bus type radio frequency intelligent position monitoring device |
| 01/02/2013 | CN202648745U Double-probe radio frequency admittance material level switch |
| 01/02/2013 | CN202648744U Device used for testing power of ultraviolet lamp to judge water level |
| 01/02/2013 | CN202648743U Water level monitoring system using radio-frequency communication method |
| 01/02/2013 | CN202648742U Water level telemetering system |
| 01/02/2013 | CN202648741U Remote sensing water level global system for mobile communication (GSM) monitoring device |
| 01/02/2013 | CN202648740U Radio-frequency admittance level switch with integral probe |
| 01/02/2013 | CN202648739U Device for measuring gas height in gas cabinet |
| 01/02/2013 | CN202648738U Air blowing type liquid level meter |
| 01/02/2013 | CN202648737U Liquid level detecting device, oil tank and digging machine |
| 01/02/2013 | CN202648736U Continuous online monitor for liquid level of high viscosity liquid |
| 01/02/2013 | CN202648735U Plate liquid level meter cover of liquefied gas tanker |
| 01/02/2013 | CN202648734U Counter weight type level measurement system |
| 01/02/2013 | CN202648733U Device for material level display and low material level alarm of storage bin |
| 01/02/2013 | CN202648732U Liquid level alarm circuit and acid adding machine |
| 01/02/2013 | CN202648731U Oil level monitoring device for transformer |
| 01/02/2013 | CN202643865U Device for monitoring molten aluminum liquid interface in aluminum electrolysis cell in real time |
| 01/02/2013 | CN202643864U Device capable of monitoring molten aluminum interface in aluminum reduction cell in real time through radar |
| 01/02/2013 | CN202638442U Step-in high-temperature damp-heat test box |
| 01/02/2013 | CN202636657U Water dispenser water volume detection and control device |
| 01/02/2013 | CN202635476U Accurate-detecting soybean milk maker |
| 01/02/2013 | CN202635408U Electric mosquito repellent liquid with liquid level measurement function |
| 01/02/2013 | CN102859337A Position sensor with float |
| 01/02/2013 | CN102859336A Measurements in metallurgical vessels |
| 01/02/2013 | CN102858471A Steam-cleaning device |
| 01/02/2013 | CN102858388A Blood reservoir with ultrasonic volume sensor |
| 01/02/2013 | CN102853881A Float for displaying a fill level |
| 01/02/2013 | CN102853880A Oil level detection alarming device during vacuum oil injection of transformer |
| 01/02/2013 | CN102853879A Fluid sensor |
| 01/02/2013 | CN102853878A Method for determining medium level in medium container |
| 01/02/2013 | CN102853877A Fluid level sensor |
| 01/02/2013 | CN102853876A Anti-blocking air blowing liquid level meter applicable to polyester reactor |
| 01/02/2013 | CN102853875A Measuring method for storage capacity of reservoir |
| 01/02/2013 | CN102853871A Oil level monitoring method and system |
| 01/02/2013 | CN102853823A Acoustic undersea tide gauge |
| 01/02/2013 | CN102435247B Oil quantity digital display method for heavy-duty vehicle based on float type oil quantity sensor |
| 01/02/2013 | CN102003177B Hydrogeological parameter observation instrument for underground single drill hole |
| 01/02/2013 | CN101910806B Capacitive fill level sensor and method for estimating a fill level |
| 01/02/2013 | CN101903755B Liquid level sensing device and method |
| 01/02/2013 | CN101793542B High-sensitivity optical fiber grating liquid level/fluid pressure sensor |
| 01/02/2013 | CN101779106B Dispense volume monitor for arrays |
| 01/01/2013 | US8346035 Two stage integrator assembly |
| 01/01/2013 | US8345924 Electronic device and method for monitoring water level |
| 12/28/2012 | CA2772834A1 Float for displaying a fill level |
| 12/27/2012 | WO2012176243A1 Molten metal level measurement device and molten metal level measurement method |
| 12/27/2012 | WO2012175257A1 Device for determining or monitoring the level of a medium in a container |
| 12/27/2012 | WO2012174612A1 Liquid level sensor |
| 12/27/2012 | WO2012174582A1 System and method for determining fluid level |
| 12/27/2012 | US20120330850 Measuring device, container and system for monitoring and managing a container |
| 12/27/2012 | US20120324996 Magnetic level indicator |
| 12/27/2012 | US20120324995 System and Method For Product Level Monitoring in A Chemical Dispensing System |
| 12/27/2012 | US20120324994 Determination of media characteristics in fill-level measuring |
| 12/27/2012 | DE102011078060A1 Vorrichtung zur Bestimmung oder Überwachung des Füllstandes eines Füllguts in einem Behälter A device for determining or monitoring the level of a filling material in a container |
| 12/27/2012 | DE102011077874A1 Liquid container e.g. oil sump, for use in exhaust gas after-treatment system of motor car, has level sensor comprising electrical conductive strip conductor, where inside wall of container is made of electrical non-conductive material |
| 12/27/2012 | DE102005058114B4 Verfahren und Schaltung zur Abstandsmessung nach dem Radarprinzip Method and circuit for distance measurement using the radar principle |
| 12/27/2012 | CA2839939A1 Liquid level sensor |
| 12/26/2012 | EP2538181A2 System for detecting a degree of filling of an LPG tank and for transmitting the measurement to a remote station |
| 12/26/2012 | EP2537972A1 System and method for product level monitoring in a chemical dispensing system |
| 12/26/2012 | CN202633508U Anticorrosion type horn antenna |
| 12/26/2012 | CN202632954U Open-type oil storage tank capable of displaying remote oil level in real time |
| 12/26/2012 | CN202632461U Forest fire-fighting real time early warning system |
| 12/26/2012 | CN202631182U Device for flushing flange type differential-pressure pressure transmitter |
| 12/26/2012 | CN202631064U Laser light fast calibrating device |
| 12/26/2012 | CN202631063U Laser alignment correcting device |
| 12/26/2012 | CN202631062U High-pressure floater |
| 12/26/2012 | CN202631061U Isolated form solar water heater water temperature water level sensor |
| 12/26/2012 | CN202631060U Liquid level sensor and wafer thereof |
| 12/26/2012 | CN202631059U Transverse liquid level sensor |
| 12/26/2012 | CN202631058U Buoyancy force sensor for filter |
| 12/26/2012 | CN202631057U Vapor-liquid sensor |
| 12/26/2012 | CN202631056U Ultrasonic level gauge mounting bracket |
| 12/26/2012 | CN202631055U Oil level monitoring device |
| 12/26/2012 | CN202631054U Oil tank liquid level gauge |
| 12/26/2012 | CN202631053U Electromagnetic switch for detecting stock level of hopper in non-contact way |
| 12/26/2012 | CN202631052U Liquid level early-warning device for transparent tube |
| 12/26/2012 | CN202631051U Specific heat capacity type oil tank liquid level meter for vehicle |
| 12/26/2012 | CN202631050U Solar water heater overflow reminder |
| 12/26/2012 | CN202631049U Wiring device of resistance-type charge level indicator probe |
| 12/26/2012 | CN202631048U Balance container capable of realizing automatic water injection conveniently |
| 12/26/2012 | CN202631047U Material level detecting device of top feed static bed biomass gasifier |
| 12/26/2012 | CN202631046U Safety type coal piling sensor for mining |
| 12/26/2012 | CN202631045U Automatic metering system of water generated by side reaction |
| 12/26/2012 | CN202631044U Mounting device of boiler drum double-color water gauge monitoring camera |
| 12/26/2012 | CN202631042U Ultrasonic automatic evaporator |
| 12/26/2012 | CN202628081U 液面仪 Level meter |
| 12/26/2012 | CN102841389A Method and device for detecting gas-liquid separator |
| 12/26/2012 | CN102840897A Boiler-steam dome level gauge with water vapor condensation chamber |
| 12/26/2012 | CN102840896A Liquid level measuring device |
| 12/26/2012 | CN102840895A Water level measuring device |