| 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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| 05/19/2004 | DE10250410A1 Liquid storage tank, e.g. for measuring liquid content in oil tank, has infrared, ultrasonic or laser device in tank directly above liquid and linked to computer on tank or remote |
| 05/19/2004 | CN2616894Y Water-level measuring meter |
| 05/19/2004 | CN2616893Y Flowable power particle level detecting device |
| 05/19/2004 | CN2616892Y Cylindrical sensing type black-white water-level indicator |
| 05/19/2004 | CN1498347A Feedback device for electric high frequency signal and level measuring device provided with said device |
| 05/18/2004 | US6736006 Level detector for a material in a container |
| 05/13/2004 | WO2004010092A3 Method for the production of a housing for an encapsulated sensor and corresponding housing |
| 05/13/2004 | WO2003088639A3 Cross-coil instrument with a predefined characteristic |
| 05/13/2004 | WO2002016019A9 Method for measuring the level of a medium in a reactor |
| 05/13/2004 | US20040090292 Reed switch |
| 05/13/2004 | US20040090225 Application probe |
| 05/13/2004 | US20040089812 System and method for multiple mode flexible excitation and acoustic chaos in sonic infrared imaging |
| 05/13/2004 | US20040089067 Level sensors |
| 05/13/2004 | DE10303362A1 Liquid level measurement arrangement, for use with a tank being filled, e.g. a chemical tank, comprises two independent measurement devices to provide a safe level of redundancy |
| 05/13/2004 | DE10251424A1 Dipstick for checking the liquid level in a container, especially a motor vehicle windscreen wash reservoir, said dipstick being inserted and withdrawn through a hole in the lid so that the lid itself does not have to be removed |
| 05/12/2004 | EP1314005B1 Method for measuring the level of a medium in a reactor |
| 05/12/2004 | CN2615650Y Integrated magnetic turn column liquid level gauge panel |
| 05/12/2004 | CN2615649Y 无线电水位监测器 Radio Level Monitors |
| 05/12/2004 | CN2615648Y Black & white displaying water level meter |
| 05/12/2004 | CN2615647Y Microcomputer fuel metrical instrument for vehicle use |
| 05/12/2004 | CN2615646Y Dry type gas chamber level acquisition sensor |
| 05/12/2004 | CN1496477A 液面传感器 Level sensor |
| 05/12/2004 | CN1495032A Liquid container with liquid consumed detecting device |
| 05/12/2004 | CN1149389C Method and device for measuring angular distribution of liquid spray |
| 05/11/2004 | US6735506 Telematics system |
| 05/11/2004 | US6734819 Level measuring device operating with microwaves |
| 05/11/2004 | US6734793 Method of transmitting a measurement signal between a measuring unit and a control unit |
| 05/11/2004 | US6734686 Method for detecting quantity variation of high purity liquid chemicals and devices to carry out the method |
| 05/11/2004 | US6734667 Angular position sensor |
| 05/11/2004 | US6732584 Fuel level sensor with flexible circuit |
| 05/11/2004 | US6732580 Level sensor and control |
| 05/11/2004 | US6732427 Method for shortening a cable probe |
| 05/11/2004 | US6732388 Overflow system |
| 05/06/2004 | WO2004037595A1 Fuel transfer pump and control |
| 05/06/2004 | WO2004022456A3 Container or flange cover |
| 05/06/2004 | US20040085240 Process instrument with split intrinsic safety barrier |
| 05/06/2004 | US20040085212 Device for determining and/or monitoring a predetermined filling level in a container |
| 05/06/2004 | US20040085200 Retain overfill monitor with integrated over-vacuum and over-pressure detection |
| 05/06/2004 | US20040084359 Manhole cover liquid level monitoring system |
| 05/06/2004 | US20040083809 Fluid level verification apparatus |
| 05/06/2004 | EP1416261A2 Method and procedure for swift characterization of foamability and foam stability |
| 05/06/2004 | EP1415131A1 Means for measuring the liquid level in a reservoir for a fuel cell |
| 05/06/2004 | DE10249544A1 Level measurement using transition time principle involves forming echo function asymmetry factor, deriving transition time to surface and back and correcting for asymmetry |
| 05/05/2004 | CN2614344Y 机车水位显示器 Locomotive level display |
| 05/05/2004 | CN1494650A Device for determining and/or monitoring predetermined filling level in container |
| 05/05/2004 | CN1493878A New method of liquid state environment different medium interface measurement |
| 05/04/2004 | US6731885 Capacitive probe toner level detector assembly |
| 05/04/2004 | US6730865 Electrical inductance overflow switch system |
| 05/04/2004 | US6729184 Detector of liquid consumption condition |
| 05/04/2004 | CA2410978A1 Solid state illuminator for bi-colour ported water level gauges |
| 04/29/2004 | WO2004036191A1 Machine fluid sensor and method |
| 04/29/2004 | WO2004036155A1 Device for determining the thickness of layers |
| 04/29/2004 | WO2004036154A1 Optical liquid level measuring device |
| 04/29/2004 | WO2004023086A9 Interface detection using time domain reflectometry with two separate conductive elements |
| 04/29/2004 | WO2004018974A3 Device for monitoring a predetermined filling level of a measuring medium in a container |
| 04/29/2004 | US20040080552 Techniques for improving pressure sensor shock robustness in fluid containment devices |
| 04/29/2004 | US20040080423 Method and apparatus for detecting a dry/wet state of a thermistor bead |
| 04/29/2004 | US20040080324 Level gauging system |
| 04/29/2004 | US20040079152 Remote fluid level detection system |
| 04/29/2004 | US20040079151 Encapsulated float and method for making same |
| 04/29/2004 | US20040079150 Method and apparatus for measuring the quantity of a liquid in a vehicle container |
| 04/29/2004 | US20040079149 Fuel level indication assembly |
| 04/29/2004 | US20040078914 Clean swipe |
| 04/29/2004 | DE19830442B4 Anordnung zur akustischen Volumenbestimmung Arrangement for acoustic volume determination |
| 04/29/2004 | CA2499298A1 Machine fluid sensor and method |
| 04/28/2004 | EP1413443A1 Pressure sensor with shock protection in fluid container |
| 04/28/2004 | EP1412711A1 Discrete level measurement device with automatic threshold setting. |
| 04/28/2004 | EP1412710A1 Method for evaluating the measuring signals of a propagation-time based measuring device |
| 04/28/2004 | EP1412709A1 Advanced volume gauging device |
| 04/28/2004 | EP1105748A4 Measuring the thickness of materials |
| 04/27/2004 | US6727822 Liquid level sensor apparatus and method of using thereof |
| 04/27/2004 | US6727345 Continuous production process for water-absorbent resin powder and powder surface detector used therefor |
| 04/27/2004 | US6725800 Accumulating whistling vent |
| 04/27/2004 | US6725718 Method and device for the coarse differentiation between a liquid or a bulk material of a filling product present in a receptacle |
| 04/24/2004 | CA2436168A1 Method and apparatus for detecting a dry/wet state of a thermistor bead |
| 04/22/2004 | WO2004034003A1 Oscillating level sensor |
| 04/22/2004 | WO2003019121A8 Radar level-measuring device |
| 04/22/2004 | US20040078164 Method and device for determining and/or monitoring the level of a medium in a container, or for determining the density of a medium in a container |
| 04/22/2004 | US20040078152 Apparatuses and methods for delivering liquid chemical products |
| 04/22/2004 | US20040076079 Method for pulse offset calibration in time of flight ranging systems |
| 04/22/2004 | US20040075564 Liquid level sensor |
| 04/22/2004 | US20040075438 Safe fluid detection in AC powered devices |
| 04/22/2004 | US20040074310 Method and device for determining quantities of fluid |
| 04/22/2004 | US20040074297 Liquid level sensor device |
| 04/22/2004 | US20040074295 Device for the measurement and monitoring of a process parameter |
| 04/22/2004 | DE10296501T5 Flüssigkeitspegelsensor Liquid level sensor |
| 04/21/2004 | EP1409970A1 Method for determination of tank bottom characterisitcs |
| 04/21/2004 | EP1409283A1 Fuel transfer pump and control |
| 04/21/2004 | EP0760087B2 Position encoder |
| 04/21/2004 | CN1491348A Level-measuring device which functions with microwaves |
| 04/21/2004 | CN1491347A Method and device for rough detection of filling material in container in liquid or bulk material |
| 04/21/2004 | CN1491346A Method and device for transmitting and receiving electromagnetic waves with frequency less than 3GHz via signal antenna unit |
| 04/21/2004 | CN1491345A Level gauge for measuring amount of liquid in tank |
| 04/21/2004 | CN1490605A Three cylinder compensative evaporation and permeability instrument measurement |
| 04/21/2004 | CN1490601A Bin level testing method |
| 04/21/2004 | CN1146504C Liquid container with liquid consumption detecting device |
| 04/20/2004 | US6724201 Resistance type liquid level measuring apparatus |
| 04/20/2004 | US6724197 Fill-level detector |
| 04/15/2004 | WO2004031705A1 Liquid level-detecting device |
| 04/15/2004 | WO2004031704A2 Method and device for modifying the oscillating elements of a vibration detector |