| 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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| 01/23/2001 | US6176132 Method for determining liquid level in a container using an electromagnetic acoustic transducer (EMAT) |
| 01/18/2001 | WO2001004582A1 System and method for sensor response linearization |
| 01/18/2001 | DE19933044A1 Sensor system and method for determining fuel level in multi-compartment motor vehicle fuel tanks using vertical arrays of sensors |
| 01/18/2001 | DE19933043A1 Sensor system and method for determining fuel level in multi-compartment motor vehicle fuel tanks with only sensors accommodated in tank |
| 01/18/2001 | DE19915066A1 Pipetting/dosing system has drive unit for producing relative movement between piston rod head and acquisition device, and measuring device for determining path between piston rod head and acquisition device |
| 01/18/2001 | DE10035263A1 Optical device for measurement of the fuel level in a vehicle fuel tank in which the brightness of the top surface of a light conducting body immersed in the fuel is inversely proportional to the amount of fuel in the tank |
| 01/17/2001 | EP1069649A1 Waveguide for a level measuring device operating with microwaves |
| 01/17/2001 | EP1069438A1 Method and device for highly accurate determination of the level of a product in a container |
| 01/17/2001 | EP1069411A1 Device for measuring continuously the level in fuel tanks |
| 01/17/2001 | EP1068494A1 Nuclear level sensing gauge using scintillating fiber bundle |
| 01/17/2001 | EP1068493A1 Fluid assembly and method for diagnostic instrument |
| 01/17/2001 | CN2415348Y 磁力液位计 Magnetic Level Gauge |
| 01/17/2001 | CN2415347Y Underwater concrete surface position detector |
| 01/17/2001 | CN2415346Y Single chip microcomputer controlled earth dam moisture permeating line scan tester for reserver |
| 01/16/2001 | US6173609 Optical level sensor |
| 01/15/2001 | CA2314027A1 Waveguide for a microwave fill-level measuring device |
| 01/11/2001 | WO2001002819A1 Frequency stabilization in a radar level gauge |
| 01/11/2001 | WO2001002818A1 Method and device for liquid level measurement by means of radar radiation |
| 01/11/2001 | WO2001002817A1 Level sensor-switch |
| 01/11/2001 | WO2000039536A3 Fuel level sensor with miniaturized ceramic resistor card |
| 01/11/2001 | DE19932344A1 Anordnung zur kontinuierlichen Füllstandsmessung in Kraftstoffbehältern Arrangement for continuous level measurement in fuel tanks |
| 01/11/2001 | DE19930896A1 Vibrating probe in level detector for fluent material |
| 01/10/2001 | EP1067368A1 Level measurement device |
| 01/10/2001 | EP1067030A1 Assembly for pumping a liquid, such as windscreen washer or headlamp washer liquid, out of a reservoir |
| 01/10/2001 | EP1066532A1 Biological sampling method |
| 01/10/2001 | EP1066500A1 Multiple process product interface detection for a low power radar level transmitter |
| 01/10/2001 | EP1066499A1 Device for determining a tank fuel load |
| 01/10/2001 | CN2414402Y Liquid level, density and mass measurer |
| 01/10/2001 | CN2414401Y Liquid level automatic controller for storage tank |
| 01/10/2001 | CN2414400Y Oil and water boundary detector |
| 01/10/2001 | CN2414399Y Liquid level boundary meter |
| 01/10/2001 | CN2414398Y Water level indication controller |
| 01/10/2001 | CN1279487A Full-sealed oil tank with automatic remote level monitor |
| 01/09/2001 | US6173234 Axial bearing fly-height measurement to detect oil deficiency |
| 01/09/2001 | US6172377 Fluorescent optical liquid level sensor |
| 01/09/2001 | US6170328 Lever gauge with hinged arms |
| 01/04/2001 | DE19925216C1 Verfahren zur störsignalfreien Auswertung von Radarsignalen A method for noise-free analysis of radar signals |
| 01/03/2001 | EP1065478A1 Capacitive detector for measuring the level of an electric conductive liquid in a container and method for manufacturing such a detector |
| 01/03/2001 | EP1064525A1 Apparatus for measurement of groundwater level around access chambers |
| 01/03/2001 | CN2413273Y Ultrasonic oil-water interface detector |
| 01/03/2001 | CN2413272Y Coal bunker level display control device |
| 01/03/2001 | CN1278913A Liquid level Gauge |
| 01/03/2001 | CN1278909A Liquid level detector |
| 01/03/2001 | CN1278749A Substrate treatment promoting shedding of oil |
| 01/03/2001 | CN1060269C Measuring method and apparatus for material surface position or height |
| 01/02/2001 | US6169706 Echo detection in pulse-echo ranging systems |
| 01/02/2001 | US6167756 Pivotal float for liquid level detection apparatus |
| 01/02/2001 | CA2277595A1 Level detector for fluent material |
| 12/28/2000 | WO2000079497A1 Radiofrequency resonant circuit sensing device, method of its production, and uses |
| 12/28/2000 | DE19929295A1 Verfahren und Vorrichtung zur Bestimmung der Flüssigkeitsmenge in einem bewegten Behälter Method and apparatus for determining the amount of liquid in an agitated vessel |
| 12/27/2000 | EP1063498A2 Method and device for determining the liquid contents in a moving container |
| 12/27/2000 | EP1063016A2 Method and device for measuring the filling level of a filter centrifuge |
| 12/27/2000 | EP1062484A1 Device to indicate the level of liquid contained in a tank |
| 12/27/2000 | CN2412209Y Liqud level measuring display |
| 12/27/2000 | CN2412208Y Liquid level prospecting device of lithium bromide central air conditioner set |
| 12/27/2000 | CN2412207Y One-side plate glass water gage |
| 12/27/2000 | CN2412206Y Liquid level automatic regulator |
| 12/27/2000 | CN1278060A Three-D sensing type instrument for detecting level of bulk material |
| 12/26/2000 | US6166681 Measuring the thickness of materials |
| 12/26/2000 | US6166630 Wireless fuel gauge |
| 12/26/2000 | US6166542 Nuclear magnetic resonance level gauging device |
| 12/26/2000 | US6164744 Method and device for monitoring the operational state of a reservoir, for example an ink reservoir |
| 12/26/2000 | US6164743 Ink container with an inductive ink level sense |
| 12/26/2000 | US6164325 Fuel tank of a motor vehicle and a level metering device for the fuel tank |
| 12/26/2000 | US6164132 Capacitive liquid level indicator |
| 12/21/2000 | WO2000077638A1 Electro-statically shielded processing module |
| 12/21/2000 | WO2000077502A2 Gamma ray density profile sensor with passively cooled pin photodiodes |
| 12/21/2000 | WO2000077480A2 Position encoder |
| 12/21/2000 | CA2376737A1 Electro-statically shielded processing module |
| 12/20/2000 | EP1061345A1 Level indicator and method of manufacturing conductor electrode of level indicator |
| 12/20/2000 | EP1060366A1 Capacitive measuring device and method for determining the level of a container |
| 12/20/2000 | EP1060132A1 Method and device for controlling biological waste purification plants |
| 12/20/2000 | CN1277350A Level measuring method for container and device for practicing the same method |
| 12/19/2000 | US6161395 Liquid level sensor |
| 12/14/2000 | DE19926648A1 Procedure for operation of a fluid level indicator in a vehicle fluid or fuel tank that indicates whether the indicator or float is operating correctly by comparing a float and vehicle speed signals to check for correct behavior |
| 12/14/2000 | DE19926388A1 Gammastrahlen-Dichteprofilsensor mit passiv gekühlten PIN-Photodioden Gamma-ray density profile sensor with passive cooling PIN photodiodes |
| 12/14/2000 | DE19924259A1 Apparatus for determining the liquid level in a container comprises an optical imaging system with a variable light path length or focal length |
| 12/13/2000 | EP1059516A1 Apparatus and method for measuring filling level of containers |
| 12/13/2000 | EP1058821A2 Liquid level controller |
| 12/13/2000 | EP0851995A4 Device for sensing and controlling ice level |
| 12/13/2000 | CN2410627Y Oil tank with oil quantity set rule |
| 12/13/2000 | CN2409978Y Medical infusion monitor |
| 12/13/2000 | CN1276864A Level sensor |
| 12/13/2000 | CN1276523A Method and apparatus for quantitative analysis of molybdenate in bittern of absorption refrigerating system |
| 12/13/2000 | CN1276520A Self-calibrating capacitor-type liquid level gauge |
| 12/13/2000 | CN1276519A Self-calibrating capacitor-type liquid level gauge |
| 12/13/2000 | CN1276518A Flexible tubular level sensor |
| 12/12/2000 | US6160482 Tub alarm apparatus |
| 12/10/2000 | CA2274191A1 Portable bin full indicator |
| 12/07/2000 | WO2000074401A1 Method and system for automated optimization of antenna positioning in 3-d |
| 12/07/2000 | WO2000073747A1 Method for the noise-free evaluation of radar signals |
| 12/07/2000 | WO2000073746A1 Apparatus for measuring a small quantity of a liquid |
| 12/07/2000 | DE19923844A1 Method and facility for monitoring the contents of liquefied petroleum gas tanks automatically detects tank levels at preset time gaps while calculating future gas consumption automatically. |
| 12/07/2000 | DE19922606A1 Anordnung aus einem Hohlleiter und einer Antenne Arrangement of a waveguide and antenna |
| 12/07/2000 | CA2310764A1 Method for level measurement on containers, and an apparatus for carrying out the method |
| 12/06/2000 | EP1058341A1 Hollow waveguide and antenna arrangement |
| 12/06/2000 | EP1058113A2 Method and apparatus for quantifying molybdate in absorption refrigeration system brines |
| 12/06/2000 | EP1058099A2 Fluid detector |
| 12/06/2000 | EP1058098A1 System for estimating the quantity of fuel contained in an automobile fuel tank |
| 12/06/2000 | EP0684785B1 Tracheal intubation monitoring apparatus |