| 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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| 01/22/2003 | CN2532461Y Dry and moisture color change indication view mirror |
| 01/22/2003 | CN2532460Y Water level and rain quantity data collecting instrument |
| 01/22/2003 | CN1392396A Flexible quasi-sectional capacitance material level sensor |
| 01/22/2003 | CN1392395A High liquid level warning method |
| 01/22/2003 | CN1099583C Level-sensing device for coal powder in coal powder bunker |
| 01/21/2003 | US6508121 Filling level sensor |
| 01/21/2003 | US6508120 Fluid level monitor with at least partially submersible buoyant element |
| 01/21/2003 | US6508119 Liquid level measurement and fuel transducer using anisotropic magnetoresistance device |
| 01/21/2003 | US6508118 Level transmitter for a liquid container, and method for determining a level in a liquid container |
| 01/21/2003 | CA2300079C Liquid level sensor |
| 01/16/2003 | WO2003004980A2 Apparatus for continuously monitoring liquid level conditions in a liquid-vapor separating device |
| 01/16/2003 | WO2003004237A1 Continuous manufacturing method for hygroscopic resin powder and powder level detector used therefor |
| 01/16/2003 | US20030010396 Optical monitoring processes and apparatus for combined liquid level sensing and quality control |
| 01/16/2003 | US20030010118 Apparatus for continuously measuring the liquid level in a container |
| 01/16/2003 | US20030010117 Water level sensor |
| 01/16/2003 | US20030010116 Method and device for carrying out contractless measurement of a filling level |
| 01/16/2003 | US20030010115 Means for measuring the liquid level in a reservoir for a fuel cell |
| 01/16/2003 | US20030010114 Device for determining and/or monitoring the level of a medium in a container |
| 01/16/2003 | US20030010112 Monitor and warning apparatus and methods |
| 01/15/2003 | EP1275942A2 Apparatus for the continuous measurement of the filling level of liquids in a container |
| 01/15/2003 | EP1274973A2 Device for determining the level of contents in a container |
| 01/15/2003 | EP1274972A2 Capacitance level measurement circuit and system |
| 01/15/2003 | EP1183503B1 Method for the noise-free evaluation of radar signals |
| 01/15/2003 | CN2531366Y Warning device for insufficient water quantity in vehicle water box |
| 01/15/2003 | CN2531321Y Water level and temp. display for solar water tank |
| 01/15/2003 | CN2530834Y Digital oil level display for automotive vehicle |
| 01/14/2003 | US6505509 Apparatus and method for measuring the level of a fluid |
| 01/09/2003 | WO2003003384A2 Fuel level sensing system |
| 01/09/2003 | WO2003002952A1 Device for determining and/or monitoring filling of a medium in a container |
| 01/09/2003 | WO2003002390A1 Windshield washer pump with integrated fluid level sensor |
| 01/09/2003 | US20030006902 Capactive sensor for sensing the amount of material in a container |
| 01/09/2003 | US20030005769 Apparatus for continuously monitoring liquid level conditions in a liquid-vapor separating device |
| 01/09/2003 | US20030005762 Ullage meter for a tank of compressed gas at elevated temperature |
| 01/08/2003 | EP1273442A2 Method of and device for detecting amount of ink in ink fountain |
| 01/08/2003 | EP1203360A4 Magnetically actuated float switch |
| 01/08/2003 | CN1389706A String-controlled digital coding-decoding sensor and its detecting method |
| 01/08/2003 | CN1098461C Sensor arrangement |
| 01/07/2003 | US6505008 Developer container, process cartridge, developing device, and image forming apparatus with toner sensor wiping member orientation |
| 01/07/2003 | US6504793 Method and device for range measurement |
| 01/07/2003 | US6502461 Method and apparatus for monitoring liquid level in a container |
| 01/07/2003 | US6502460 Fluid level measuring system |
| 01/07/2003 | CA2234730C Method and apparatus for determining fluid level in oil wells |
| 01/03/2003 | WO2003001160A1 Method for determination of tank bottom characterisitcs |
| 01/03/2003 | WO2003000478A1 Weighing equipment for concrete material |
| 01/03/2003 | WO2002068916B1 Gear assembly with alignment feature and level sensor employing the same |
| 01/03/2003 | WO2002035185A3 A fault tolerant liquid measurement system using multiple-model state estimators |
| 01/02/2003 | US20030002690 Method and arrangement for obtaining and conveying information about occupancy of a vehicle |
| 01/02/2003 | US20030000756 Apparatus for detecting brake oil level and controlling engine operation |
| 01/02/2003 | US20030000397 Method of and device for detecting amount of ink in ink fountain |
| 01/02/2003 | US20030000304 Magnetically operated fuel gauge |
| 01/02/2003 | US20030000303 Auto-compensating capacitive level sensor |
| 01/02/2003 | US20030000299 Apparatus for measuring volume under microgravity |
| 01/02/2003 | US20030000071 Resistance value adjusting method |
| 01/02/2003 | EP1271567A2 Resistance value adjusting method |
| 01/02/2003 | EP1271113A1 Device for assessing visually the consumption level of a gas cylinder |
| 01/02/2003 | EP1271112A2 Apparatus for measuring volume under microgravity |
| 01/02/2003 | EP1269125A2 Method and apparatus for determining liquid levels in a liquid sample container |
| 01/02/2003 | EP1268348A1 Method for determining the efficiency of a liquid processing unit and device using said method |
| 01/02/2003 | EP1267673A2 Twist bottom dispenser |
| 01/02/2003 | EP1177418B1 Level transmitter |
| 01/01/2003 | CN2529219Y Float water level balanee device |
| 01/01/2003 | CN2529218Y Liquid level controller |
| 01/01/2003 | CN2529217Y Float with spiral wire |
| 01/01/2003 | CN2529216Y Radar liquid/bin level real-time measuring-control device |
| 01/01/2003 | CN2529215Y Vortex molten steel liquid level measuring device |
| 01/01/2003 | CN2529214Y Reflection observing mirror with bar-type hump for water gage |
| 01/01/2003 | CN1097731C Liquid Suction Distinguishing method and dispensation apparatus drive-controlled by the same |
| 12/31/2002 | US6502042 Fault tolerant liquid measurement system using multiple-model state estimators |
| 12/31/2002 | US6499346 Filling level measuring device operating with microwaves |
| 12/27/2002 | WO2002103294A1 Sensor using electro active curved helix or double helix |
| 12/26/2002 | US20020197938 Point-of-use fluid regulating system for use in the chemical-mechanical planarization of semiconductor wafers |
| 12/26/2002 | US20020194933 Device for measuring and controlling a liquid flow |
| 12/26/2002 | US20020194911 Fill-level indicator for a liquefied-petroleum-gas tank |
| 12/26/2002 | US20020194910 Method for determining the fluid level of a tank in motor vehicles |
| 12/26/2002 | US20020194674 Overflow system |
| 12/25/2002 | CN2527983Y Digital evaporometer |
| 12/25/2002 | CN2527982Y Transmission-type reflecting black white display water gauge |
| 12/25/2002 | CN2527981Y Liquid level automatic monitor |
| 12/25/2002 | CN2527980Y Liquid level measurer |
| 12/25/2002 | CN2527979Y Plate-type water-level gage with bulge reflecting surface viewing glass |
| 12/25/2002 | CN2527978Y Reflecting water-level gage viewing glass with two-hump |
| 12/25/2002 | CN2527977Y Reflecting water level gauge visual mirror |
| 12/25/2002 | CN2527976Y Water level water temp. sensor for solar water heater |
| 12/24/2002 | US6498566 Method for measuring fluid level |
| 12/24/2002 | US6497145 Float gauge with fixed liquid level gauge |
| 12/24/2002 | US6497144 Method for measuring fluid level |
| 12/24/2002 | US6497143 Container with automatically controlled discharge for continuous metering of liquid flow |
| 12/19/2002 | WO2002101337A1 Liquid level detecting device |
| 12/19/2002 | WO2002101336A1 Advanced volume gauging device |
| 12/19/2002 | US20020189373 Fluid dispense and fluid surface verification system and method |
| 12/19/2002 | US20020189347 Liquid level change sensor |
| 12/19/2002 | US20020189346 Fluid level sensor |
| 12/19/2002 | US20020189345 Humidifier including output efficiency and liquid level indicators |
| 12/19/2002 | US20020189344 Connection system for a fluid level measuring device |
| 12/19/2002 | US20020189324 Fluid dispense and fluid surface verification system and method |
| 12/19/2002 | DE10129981A1 Flask content level measurement system for chemical and biological screening experiments observes fluid ultrasonically from below |
| 12/19/2002 | DE10129072A1 Monitoring process and device for determining condition of lubricating oil in automatic transmission uses measurements of temperature pattern trend |
| 12/18/2002 | EP1266205A1 An instrument to measure the amount of condensation during a gaseous sterilisation process |
| 12/18/2002 | EP1266194A1 Method and device for detecting and/or monitoring the level of a medium in a container |
| 12/18/2002 | CN2526801Y Wheel type magnetic coupled float liquid level meter |