| 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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| 10/29/2009 | CA2722059A1 Volatile substance evaporator with substance end-of-life detector |
| 10/28/2009 | EP2112482A1 Dielectric Antenna |
| 10/28/2009 | EP2112481A1 Device for reading the engine oil level |
| 10/28/2009 | EP2112480A1 Device and method for the correct automatic reading of the engine oil level |
| 10/28/2009 | EP1907803B1 Measuring device and conductivity measuring device for determining flow capacities of electroconductive liquids, measuring element, and method |
| 10/28/2009 | CN201334246Y Automatic feeding device capable of measuring and continuously conveying powdery material |
| 10/28/2009 | CN201333927Y Pressure oil-quantity induction-type automobile oil tank |
| 10/28/2009 | CN101568809A Discrete fluid level sensor and mount |
| 10/28/2009 | CN101566493A Diesel oil heating oil quantity sensor |
| 10/28/2009 | CN101566492A Liquid storage tank liquid-level meter |
| 10/28/2009 | CN101566491A Method and system for measuring liquid level of conductive liquid |
| 10/28/2009 | CN101566490A System and method for monitoring urea level |
| 10/28/2009 | CN101564937A Liquid level height detecting device |
| 10/28/2009 | CN100554893C Capacitive level probe |
| 10/28/2009 | CN100553983C Liquid container and method for manufacturing same |
| 10/27/2009 | US7607823 Leak detector comprising a self-heated thermistor control circuit |
| 10/27/2009 | US7607347 Fluid level detector |
| 10/24/2009 | CA2629672A1 Storage tank leak monitoring and venting apparatus |
| 10/22/2009 | WO2009128552A1 Contactless liquid level sensor |
| 10/22/2009 | WO2009007456A3 Apparatus for adding water for the purpose of generating steam in a cooking device |
| 10/22/2009 | US20090265132 Device and method for determining the density of a fluid |
| 10/22/2009 | US20090260432 Liquid level detection |
| 10/22/2009 | DE102008017070A1 Measuring device for determining fill level of oil in oil tank of motor vehicle, has floating body arranged at fluid surface, and measuring distance extending between fluid surface and base wall of oil tank running along fluid surface |
| 10/22/2009 | DE102008001207A1 Filling level sensor has sensor housing in which electrical resistance is provided, where resistance value is variable by adjusting resistance unit interacting with electrical resistance |
| 10/21/2009 | EP2110648A1 Method of processing echo pulses, and pulse-echo ranging system using the method |
| 10/21/2009 | EP2109471A2 Liquid collection system and related methods |
| 10/21/2009 | EP1451535B1 Method for a capacitive level measurement |
| 10/21/2009 | CN201331367Y Magnetic turn-over plate liquid level meter |
| 10/21/2009 | CN201331366Y Conversion output circuit of ultrasonic level meter |
| 10/21/2009 | CN201331365Y Three-terminal radio-frequency admittance continuous level gauge |
| 10/21/2009 | CN101561383A Computer vision-based system and computer-vision based method for automatically measuring viscosity of colored liquid |
| 10/21/2009 | CN101561308A Automobile fuel volume non-contact photoelectric sensor |
| 10/21/2009 | CN101561307A Electronic device for detecting and displaying liquid position and application method thereof |
| 10/21/2009 | CN101561306A Method and device for accurately monitoring quantity of water in water tank of solar water heater |
| 10/21/2009 | CN101561305A Monitoring and early-warning system and monitoring and early-warning method of accumulated water under bridge or on road surface of tunnel |
| 10/21/2009 | CN101560673A Material level detection and material quantity management method for alumina storage tank |
| 10/21/2009 | CN101559711A Novel car fuel quantity sensor |
| 10/21/2009 | CN100551706C Ink box and a set of ink box |
| 10/20/2009 | US7603901 Thermal liquid container having liquid level indicator |
| 10/20/2009 | US7603900 Leakage inspection apparatus for liquid storage tank technical field |
| 10/20/2009 | US7603899 Apparatus and method for detecting liquid level with a probe |
| 10/15/2009 | WO2009124606A1 Capacitive measuring probe and method for producing a capacitive measuring probe |
| 10/15/2009 | DE202009009468U1 Behälter zur Aufnahme von Postgutstücken Containers for receiving mail pieces |
| 10/15/2009 | DE102008016513A1 Vorrichtung und Verfahren zum exakten Dosieren von Flüssigkeiten Apparatus and method for exact dosing of liquids |
| 10/15/2009 | DE102008001100A1 Kapazitive Messsonde und Verfahren zum Herstellen einer kapazitiven Messsonde Capacitive measuring probe and method of fabricating a capacitive probe |
| 10/14/2009 | EP2108976A1 Method of processing echo profile, and pulse-echo system for use with the method |
| 10/14/2009 | EP1506523B1 Device, system and method for monitoring a container |
| 10/14/2009 | CN201327759Y Metal bellow type oil conservator for transformer |
| 10/14/2009 | CN201327579Y Control device of soybean milk maker |
| 10/14/2009 | CN201327407Y Analog quantity output type belt conveyer level detector |
| 10/14/2009 | CN201327406Y Oil level gauge for transformer oil conservator |
| 10/14/2009 | CN201327405Y Baffle plate of level gauge |
| 10/14/2009 | CN201327398Y 安全监测装置 Safety Monitoring Device |
| 10/14/2009 | CN201325775Y Pulverized coal feeding device |
| 10/14/2009 | CN101556180A Fluid level detection device for sampling system |
| 10/14/2009 | CN101556179A Self-heating heat responsive element and liquid level detector assembled thereby |
| 10/14/2009 | CN101556178A Method for dynamic detection of water level and device thereof |
| 10/14/2009 | CN101556174A Intelligent vehicle oil amount measurement detection system |
| 10/14/2009 | CN100549714C Method for operating tests of vibration level sensors and corresponding vibration level sensor |
| 10/14/2009 | CN100549632C Method and device for transmitting and receiving electromagnetic waves with frequency less than 3GHz via signal antenna unit |
| 10/14/2009 | CN100548893C Water purifier for drinking fountain |
| 10/13/2009 | US7603242 Fuel leak estimator |
| 10/13/2009 | US7602671 Oil heating tank meter for monitoring a plurality of variables |
| 10/13/2009 | US7600425 Float for a fill level sensor |
| 10/13/2009 | US7600424 Liquid condition sensing apparatus |
| 10/13/2009 | US7600423 Volume or fluid level sensing system and method |
| 10/08/2009 | WO2009123652A1 Device and method for measuring material level in bin |
| 10/08/2009 | WO2009123553A1 Device for detecting and removing water in a fuel tank |
| 10/08/2009 | WO2009122886A1 Liquid level detecting device |
| 10/08/2009 | WO2009122469A1 Sensor for the detection of molten metal level |
| 10/08/2009 | WO2009122061A2 Capacitive detector, method for manufacturing same, and device for measuring the integral |
| 10/08/2009 | WO2009121801A1 Method for determining and/or monitoring the filling level of a medium in a container |
| 10/08/2009 | WO2009121530A1 Fill level switch and sensor element for a fill level switch |
| 10/08/2009 | WO2009121181A1 Optical level measurement device and method |
| 10/08/2009 | WO2009089339A3 Automated phase separation and fuel quality sensor |
| 10/08/2009 | US20090249871 Level sensor mounting |
| 10/08/2009 | US20090249870 Liquid Level Sensing Apparatus |
| 10/08/2009 | DE102008017183A1 Method for measuring level of liquid in container for motor vehicle, involves carrying measurement by measuring container that is arranged in container, where measuring container is connected with remaining volume of container over channel |
| 10/08/2009 | DE102008016940A1 Verfahren zur Bestimmung und/oder Überwachung des Füllstands eines Mediums in einem Behälter A method for determining and / or monitoring the fill level of a medium in a container |
| 10/08/2009 | DE102008016829A1 Füllstandschalter und Sensorelement für einen Füllstandschalter Level switch and sensor element for a level switch |
| 10/08/2009 | DE102008015470A1 Application of electromagnetic waves instead of radioactive radiation, in deployment of level measurement for solid and liquid filling materials, involves functioning of modified biosensor in intermittent and autonomous manner |
| 10/08/2009 | CA2720470A1 Device and method for measuring material level in bin |
| 10/08/2009 | CA2719435A1 Optical level measurement device and method |
| 10/07/2009 | CN201322807Y Optical passive detection system |
| 10/07/2009 | CN201322638Y 水位报警仪 Water Level Alarm |
| 10/07/2009 | CN201322637Y Floater spiral type oil level indicator |
| 10/07/2009 | CN201322636Y Hanging-proof material level meter |
| 10/07/2009 | CN201322635Y Portable saturation line detector for tailing dam |
| 10/07/2009 | CN201322634Y Installing device for liquid level sensor |
| 10/07/2009 | CN201322632Y Device for measuring expansion and contraction characteristics of full-enclosed distribution transformer |
| 10/07/2009 | CN101551677A Water level automatic control method |
| 10/07/2009 | CN101551264A Capacitance electronic type fuel sensor |
| 10/07/2009 | CN101551263A Combined type resonator |
| 10/07/2009 | CN100547363C Soft tank liquid level measuring equipment and measuring method thereof |
| 10/07/2009 | CN100547362C Detecting probe liquid level detector and method |
| 10/06/2009 | US7597000 Top view liquid sight level indicator |
| 10/06/2009 | US7596999 Sediment monitor for a stormwater receiving system |
| 10/06/2009 | US7596998 Liquid level sensor using thick film substrate |
| 10/01/2009 | WO2009118542A1 Acoustic level determination of a material in a vessel |
| 10/01/2009 | WO2009118402A1 Method for measuring the volume flow of electrically conductive liquids through a vessel |