| 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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| 05/02/2002 | WO2002035187A1 Pipette system and pipette array |
| 05/02/2002 | WO2002035185A2 A fault tolerant liquid measurement system using multiple-model state estimators |
| 05/02/2002 | WO2001090702A3 Spectral diagnostics in a magnetic flow meter |
| 05/02/2002 | US20020050578 Method of measuring liquid level and liquid-level gauge |
| 05/02/2002 | US20020050209 Airline coffee brewer |
| 05/02/2002 | US20020050176 Ultrasonic multi-channel flow measuring method |
| 05/02/2002 | US20020050166 Sonic level measuring method |
| 05/02/2002 | DE10108218A1 Sonic water level measurement method in reservoir, involves calculating distance from microphones to water surface, based on time taken by sonic pulse to transit between respective intervals |
| 05/02/2002 | DE10053592A1 Level sensor has two electrode pairs, with effective measurement surfaces extending over part of container height; measurement surfaces of both pairs are formed at least over lower half |
| 05/02/2002 | DE10047986A1 Signaling system for number of dispensers, has sensors for determining degree of filling of dispensers and arrangement for transmitting data from sensors to display unit |
| 05/02/2002 | CA2427059A1 Detection of dynamic level using ultrasonic waves or microwaves |
| 05/02/2002 | CA2422770A1 A fault tolerant liquid measurement system using multiple-model state estimators |
| 05/01/2002 | CN2489316Y Anti-seismic liquid level sensor |
| 05/01/2002 | CN2489315Y Liquid level probe |
| 05/01/2002 | CN2489314Y Gravity balanced type level sensor |
| 04/30/2002 | US6380750 Capacitance probe and spacer therefor |
| 04/30/2002 | US6380746 Monitoring fluid condition with a spiral electrode configuration |
| 04/25/2002 | WO2002033439A1 Device for measuring the filling level of a material in a container |
| 04/25/2002 | WO2002033364A1 Gauge comprising a magneto-resistive sensor, for liquid level remote measuring system on reservoirs |
| 04/25/2002 | WO2002033360A2 External device indicating that a tank is filled up |
| 04/25/2002 | WO2001059356A3 Device for determining the filling level of liquefied gases in a cryogenic container |
| 04/25/2002 | US20020049549 Meter calibration accuracy |
| 04/25/2002 | US20020047783 Vertical sump alarm |
| 04/25/2002 | US20020046601 Slide detector |
| 04/25/2002 | DE10060069C1 Stress-free microwave window mounting, comprises outer clamped flange, into which window is adhered or welded by its thermoplastic dielectric coating |
| 04/25/2002 | DE10051297A1 Microwave level measurement device has microwave generator, transmit and receive antennas, reception and evaluation circuit that determines level from transition time of microwaves |
| 04/25/2002 | DE10047113A1 Sensoreinrichtung Sensor device |
| 04/25/2002 | CA2425918A1 External device indicating that a tank is filled up |
| 04/24/2002 | EP0856150B1 Method and device for liquid leakage indication |
| 04/24/2002 | EP0842441B1 High accuracy electronic material level sensor |
| 04/24/2002 | CN2488054Y Float built-in water level sensor |
| 04/24/2002 | CN2488053Y Flaot device for controlling liquid level |
| 04/24/2002 | CN2487622Y Level detector of intelligent water supply system for railway train |
| 04/24/2002 | CN2487387Y Electronic transfusion alarm |
| 04/24/2002 | CN1346049A Method and system for sound wave water level measurment |
| 04/24/2002 | CN1083571C Level three-dimension hand-pull positioning switch |
| 04/23/2002 | US6375031 Container for liquids having viewing window |
| 04/18/2002 | WO2002031450A1 Level meter |
| 04/18/2002 | WO2002031449A1 Ceramic resistor card assembly for fuel sensor |
| 04/18/2002 | WO2002031448A1 Volume measurement device |
| 04/18/2002 | US20020043488 Method and apparatus for the distribution of treatment liquids |
| 04/18/2002 | US20020043105 Liquid level measurement and fuel transducer using anisotropic magnetoresistance device |
| 04/18/2002 | DE10115150A1 Verfahren zur Erfassung des Grenzstandes eines Gutes und Vorrichtung hierzu Method for detecting the limit level of a good and apparatus therefor |
| 04/18/2002 | DE10105961A1 Water level measuring method involves determining interval between sonic receivers and distance from original point to receivers by related expressions |
| 04/18/2002 | DE10051025A1 Device for determining container fill material level antenna positioned in side wall opening so measurement signals are radiated towards fill medium and reflected signals pass to antenna |
| 04/18/2002 | DE10047594A1 Verfahren und Vorrichtung zum Bestimmen des Füllstandes einer Flüssigkeit in einem Behälter Method and apparatus for determining the level of a liquid in a container |
| 04/18/2002 | DE10040180A1 Fill level and pressure measurement sensor has surface protrusions of liquid-repellent material at suitable distances so that liquid can run off surface without leaving residues |
| 04/17/2002 | EP1197823A2 Method and apparatus for the distribution of treatment liquids |
| 04/17/2002 | CN2486958Y Electric float ball level transmitter |
| 04/17/2002 | CN2486957Y Mini water level gate instrument |
| 04/17/2002 | CN2486956Y Storehouse monitor |
| 04/17/2002 | CN1344915A Acoustic water level measuring mehtod |
| 04/17/2002 | CN1344913A Ultrasonic multi-channel flow measuring method |
| 04/17/2002 | CN1083032C Casing of water level sensor of washing machine |
| 04/16/2002 | US6374187 Underground storage tank monitoring system and method |
| 04/16/2002 | US6373261 Two-wire level transmitter |
| 04/16/2002 | US6370952 Vehicle oil level monitoring system |
| 04/16/2002 | US6370951 Method and apparatus for sensing the level of fluid with a container |
| 04/11/2002 | WO2002029368A1 Liquid level sensor and liquid storage container |
| 04/11/2002 | WO2002029367A2 Method and apparatus for determining the volume of liquid in a reservoir |
| 04/11/2002 | WO2002028779A1 Determining the level of particulate material |
| 04/11/2002 | WO2000055583A9 Sensor plug and method and apparatus for determining an amount of oil in a device |
| 04/11/2002 | US20020041295 Means for and method of detecting the state of ink remain in a cartridge having containing portions differing in ink containing state |
| 04/11/2002 | US20020040597 Ceramic resistor card assembly for fuel sensor |
| 04/11/2002 | US20020040596 Filling level gage |
| 04/11/2002 | DE10049995A1 Füllstandsmessgerät Level Meter |
| 04/11/2002 | DE10048559A1 Density and fill level determination apparatus for has analysis unit, which determines energy spectrum of secondary radiation, and control and evaluation unit, which carries out drift stabilization |
| 04/10/2002 | EP1000314B1 Distance determination with an open cavity resonator |
| 04/10/2002 | CN2485636Y Optical level sensor |
| 04/10/2002 | CN2485635Y Automatic level meter |
| 04/10/2002 | CN2485634Y Frequency converting temperature and water level controller with display |
| 04/10/2002 | CN2485633Y Water level meter |
| 04/10/2002 | CN1082661C Stock quantity measuring method and device for high temp high pressure reactor |
| 04/09/2002 | US6369715 Intrinsically safe sensor and data transmission system |
| 04/09/2002 | US6369690 Potentiometer |
| 04/09/2002 | US6367918 Unitary latching device for secure positioning of print cartridge during printing, priming and replenishment |
| 04/09/2002 | US6367325 Motor vehicle fuel level sensor |
| 04/09/2002 | US6367324 Detecting device |
| 04/04/2002 | WO2002027280A2 Method and device for determining the level of a liquid in a container |
| 04/04/2002 | WO2002026407A1 Method and device in tank equipped with a radar level gauge |
| 04/04/2002 | WO2002012780B1 Automatic refill system for ultra pure or contamination sensitive chemicals |
| 04/04/2002 | WO2001040045A3 Brake fluid container |
| 04/04/2002 | US20020038676 Refillable ampule and method re same |
| 04/04/2002 | US20020038572 Fluid level indicating device for any container |
| 04/04/2002 | US20020038571 Water-monitoring apparatus capable of auto-tracing water level and non-contact signal relay for the same |
| 04/04/2002 | DE10107292A1 Multi-channel ultrasonic flowrate measuring method incorporates compensation for variation in actual radius of flow pipe internal radius |
| 04/04/2002 | DE10044888A1 Vorrichtung und Verfahren zur Ermittlung der Positionen der Grenzflächen unterschiedlicher Medien Apparatus and method for determining the positions of the interfaces between different media |
| 04/04/2002 | DE10044769A1 Verfahren und Vorrichtung zur Entfernungsmessung Method and apparatus for measuring distance |
| 04/04/2002 | DE10043838A1 Füllstandsmeßvorrichtung The level measurement |
| 04/03/2002 | EP1193478A2 A method and apparatus for determining the level of particulate material in a particulate material collection vessel |
| 04/03/2002 | EP1192427A1 Frequency stabilization in a radar level gauge |
| 04/03/2002 | EP1192424A1 System and method for sensor response linearization |
| 04/03/2002 | CN2484212Y Vehicle fuel-tank level sensor |
| 04/02/2002 | US6366436 Electronic device for use in regions subject to explosion hazards |
| 04/02/2002 | US6363785 Relative location detection sensor |
| 04/02/2002 | US6363784 Fluid detector |
| 04/02/2002 | US6363783 Alternative liquid environment measurement system and method |
| 03/28/2002 | WO2002025251A2 Device and method for the optical inspection, assessment, and control of colored plastic articles and/or container contents |
| 03/28/2002 | WO2002025227A1 Improved threshold setting for a radar level transmitter |
| 03/28/2002 | WO2002025226A2 Method and device for determining quantities of fluid |