| 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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| 12/18/2002 | CN2526800Y Tracking liquid level meter |
| 12/18/2002 | CN2526799Y Deflection displacement type liquid level meter |
| 12/18/2002 | CN2526798Y 法布里－珀罗腔液位传感器 Fabry - Perot cavity liquid level sensor |
| 12/18/2002 | CN1386191A Resistance type liquid level measuring apparatus |
| 12/17/2002 | US6494645 Method and device for determining a powder quantity or change in powder quantity in a container |
| 12/17/2002 | US6494226 Fuel transfer pump and control |
| 12/17/2002 | US6494089 Rain gauge |
| 12/17/2002 | CA2178173C Residential fuel oil level reporting device |
| 12/12/2002 | WO2002099366A1 Liquid level detector and method of assembling the detector |
| 12/12/2002 | WO2002050954A3 A microwave horn antenna for level measurement systems |
| 12/12/2002 | US20020188392 Telematics system |
| 12/12/2002 | US20020186139 Rotary paddle bin monitor |
| 12/12/2002 | US20020186025 Fill-level detector |
| 12/12/2002 | US20020185619 Fluoropolymer fluid overfill probe |
| 12/12/2002 | US20020184945 High purity chemical container with external level sensor and liquid sump |
| 12/12/2002 | DE10223043A1 Fluidmeßsysteme und -verfahren Fluidmeßsysteme and procedures |
| 12/12/2002 | DE10126987A1 System for detection of surface flooding water on horizontal surfaces uses probe system |
| 12/11/2002 | EP0944364B1 Packaged photocurable composition |
| 12/11/2002 | CN2525489Y Level alarm type sensor |
| 12/11/2002 | CN2525488Y Optical fibre level sensor |
| 12/11/2002 | CN2525487Y Capacitance level meter |
| 12/11/2002 | CN2525486Y Light control anti-explosion level meter |
| 12/11/2002 | CN2525485Y Engineering mechanical level meter |
| 12/10/2002 | US6490922 System for controlling the level of the liquid contained in a LPG tank or the like |
| 12/10/2002 | US6490921 Oscillating liquid level measuring apparatus |
| 12/10/2002 | US6490920 Compensated capacitive liquid level sensor |
| 12/10/2002 | US6490919 Well water level measurement and display apparatus |
| 12/10/2002 | CA2314055C Apparatus for the determination of the fill state of a solid or liquid material in a container |
| 12/10/2002 | CA2285262C Fluid overfill probe with anti-reflective guard |
| 12/05/2002 | WO2002097380A1 Discrete level measurement device with automatic threshold setting. |
| 12/05/2002 | WO2002097378A1 Method of measuring slag layer thickness or slag layer thickness and molten metal layer surface level position, and measuring device therefor |
| 12/05/2002 | WO2002097374A1 Sensing apparatus and method |
| 12/05/2002 | US20020181662 Method for detecting and suppressing extraneous radiation influences in radiometric measurements |
| 12/05/2002 | US20020178810 Angular position sensor |
| 12/05/2002 | US20020178809 Fluid-gauging systems and methods |
| 12/05/2002 | US20020178808 Point level device with automatic threshold setting |
| 12/05/2002 | DE10159336A1 Self-adjustment of sensor involves holding reference voltage constant or reducing or increasing it depending on relationship of output voltage to upper and lower thresholds |
| 12/05/2002 | DE10126654A1 Housing for electronic device, has electronic unit in interior, display module for optional insertion in either of two openings, and connection module in other opening |
| 12/05/2002 | CA2448700A1 Discrete level measurement device with automatic threshold setting |
| 12/04/2002 | EP1262792A1 System for monitoring a feature of a surface by reflected satellite navigation signals |
| 12/04/2002 | EP1262744A1 Sensor module for the determination of a liquid level |
| 12/04/2002 | EP1261876A2 Fluid dispense and liquid surface verification system and method |
| 12/04/2002 | EP1261849A2 Method and device for carrying out contactless measurement of a filling level |
| 12/04/2002 | EP1261848A1 Ultrasonic distance measuring system for monitoring railroad car loads |
| 12/04/2002 | EP1261847A1 Method and device for determining the level of a filling in a container |
| 12/04/2002 | EP1261486A1 Ink and dampening solution determination in offset printing |
| 12/04/2002 | EP1261437A1 Device for determining and/or monitoring a predetermined level in a container |
| 12/04/2002 | CN2524226Y Wheel style magnet coupling float level indicator |
| 12/04/2002 | CN2524225Y Water-flow meter of solar water heaters |
| 12/04/2002 | CN2523632Y Numerical indicator for vehicles fuel tanks |
| 12/04/2002 | CN1383171A 簧片开关 Reed switch |
| 12/03/2002 | US6487905 Method and apparatus for detecting molten metal level in container for melting metallic material |
| 11/28/2002 | US20020177960 System and method for measuring vehicle engine oil level |
| 11/28/2002 | US20020175822 Low-water cut-off system |
| 11/28/2002 | US20020174893 Apparatus for detecting liquid dry conditions for liquefied compressed gases |
| 11/28/2002 | US20020174719 Level sensor and method of registering a level in a container |
| 11/28/2002 | DE10152257A1 Sensor module for determining level of water in fuel filter has lid part and housing part forming cavity in which circuit board is sealed |
| 11/27/2002 | EP1260800A2 Method and device for determining the filling level in fuel containers |
| 11/27/2002 | EP1260240A2 Device for measuring and controlling a liquid flow. |
| 11/27/2002 | EP1012543B1 Method for producing a float |
| 11/27/2002 | EP0741895B1 Hydraulic fluid leak detection system and method |
| 11/27/2002 | CN2522840Y Electronic single-pendulum material positioning detecting instrument |
| 11/26/2002 | US6486826 Arrangement for the precise distance measuring, in particular the filling level measuring |
| 11/26/2002 | US6486630 Power window apparatus capable of leaving windows open for a predetermined time when automobile falls into water |
| 11/26/2002 | US6485171 Apparatus and method for sensing the fluid level in a mixing device |
| 11/26/2002 | US6485110 Drive hub having an oil check hole |
| 11/26/2002 | CA2104424C Liquid sensor having thermistors |
| 11/21/2002 | US20020173230 Point-of-use regulating system for use in the chemical-mechanical planarization of semiconductor wafers |
| 11/21/2002 | US20020172789 For use in level measurement apparatus for measuring the level of a material contained in a storage container |
| 11/21/2002 | US20020170353 Liquid detecting piezoelectric device, liquid container and mounting module member |
| 11/21/2002 | US20020170347 Method for indicating duration of gas supply remaining and providing result to user thereof |
| 11/21/2002 | DE10222541A1 Elektrisch leitendes Polymergehäuse für Prozeßsteuerungen Electrically conductive polymer housing for process control |
| 11/21/2002 | DE10212614A1 Reed-Schalter Reed switch |
| 11/20/2002 | EP1257792A2 Ultrasonic liquid level measurement with light-weight cabling |
| 11/20/2002 | EP1257791A1 Direct pwm reflectometer |
| 11/20/2002 | CN2521595Y Magnetic control floator |
| 11/20/2002 | CN2521594Y Magnetic control liquid level controller |
| 11/20/2002 | CN2521593Y Whole plastic packaging liquid-level temperature transmitter |
| 11/20/2002 | CN2521592Y Water level alarmer for vertical steam iorning machine |
| 11/19/2002 | US6484088 Fuel optimization system with improved fuel level sensor |
| 11/19/2002 | US6481279 Absolute inventory control by radial force measurement |
| 11/19/2002 | US6481278 Hall-effect fine resolution liquid level indicator |
| 11/19/2002 | US6481277 Temperature control unit and sight glass |
| 11/19/2002 | US6481276 Device for measuring the filling level of a filling material in a container |
| 11/19/2002 | US6481110 Plumb bob |
| 11/19/2002 | CA2100603C Liquid level monitor |
| 11/17/2002 | CA2386263A1 Electrically conductive polymeric housing for process control equipment |
| 11/14/2002 | WO2002090899A1 Gas bottle weighing device |
| 11/14/2002 | WO2002090898A2 The measuring instrument of the depth of water |
| 11/14/2002 | US20020167414 Resonant tube sensor |
| 11/14/2002 | US20020167413 Resonant tube level sensor |
| 11/14/2002 | US20020166803 Level measurement for grease separators |
| 11/14/2002 | US20020166378 Well water level measurement and display apparatus |
| 11/14/2002 | US20020166377 Combination gas cap and LED fuel gauge |
| 11/14/2002 | DE10153936A1 Vorrichtung zur Feststellung und/oder Überwachung eines vorbestimmten Füllstandes in einem Behälter Apparatus for detecting and / or monitoring a predetermined level in a container |
| 11/14/2002 | DE10122525A1 Manual indicator with a needle that can be positioned on a scale is designed to fit over the neck of a gas bottle so that the amount of gas remaining in the bottle can be clearly indicated |
| 11/13/2002 | EP1256787A1 Optical oil dipstick |
| 11/13/2002 | EP1255969A2 Device for determining the level of a medium in a container |
| 11/13/2002 | CN2520501Y Electrometric water tube type settlement meter |
| 11/13/2002 | CN2520500Y Asymmetric bar vibration sensor |