| 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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| 01/14/2004 | CN1134652C Method for determining material interface liquid level |
| 01/14/2004 | CN1134620C Fuzzy logic liquid level control |
| 01/13/2004 | US6677891 Method and device for transmitting and receiving electromagnetic waves |
| 01/13/2004 | US6675989 Windshield washer pump with integrated fluid level sensor |
| 01/13/2004 | US6675648 Gear assembly including magnetic cap with alignment feature |
| 01/13/2004 | US6675647 Device for sensing the level of liquid, particularly for submersed pumps |
| 01/13/2004 | US6675646 Liquid-quantity monitoring apparatus and liquid-consuming apparatus with the same |
| 01/13/2004 | US6675645 Electromagnetic method of and apparatus for electromagnetic parameters of material (thin films and bulks) monitoring |
| 01/08/2004 | WO2004003943A1 STABLE HIGH TEMPERATURE SENSOR/HEATER SYSTEM AND METHOD WITH TUNGSTEN ON AlN |
| 01/08/2004 | WO2004003489A1 Liquid level sensor using a non linear rheostat and a float |
| 01/08/2004 | WO2004003488A1 Apparatus for external monitoring of the fluid level in a container |
| 01/08/2004 | WO2002068913A3 Device for determining and/or monitoring the level of a filled substance in a container |
| 01/08/2004 | US20040005496 Means for measuring the liquid level in a reservoir for a fuel cell |
| 01/08/2004 | US20040004551 Fluid management system |
| 01/08/2004 | US20040004550 Fluid management probe |
| 01/08/2004 | US20040004545 Fluid management system |
| 01/08/2004 | US20040003660 Non-contact type liquid level sensor |
| 01/08/2004 | DE20300901U1 Befestigungssystem für ein Messgerät zur Überwachung und/oder Bestimmung eines Füllstands Fixing system for a measuring device for monitoring and / or determining a level |
| 01/08/2004 | DE10327872A1 Behälter und Dampfbehandlungsgerät mit einer Einrichtung zur Anzeige eines Flüssigkeitsfüllstands Container and vapor treatment device having a device for indicating a liquid level |
| 01/08/2004 | DE10226523A1 Vorrichtung zur Überwachung des Füllstandes einer Flüssigkeit Device for monitoring the level of a liquid |
| 01/08/2004 | CA2532946A1 Apparatus for external monitoring of the fluid level in a container |
| 01/07/2004 | EP1377802A1 Device and method for checking the level of moving transparent containers |
| 01/07/2004 | EP1377801A2 Device for the emission of high frequency signals |
| 01/07/2004 | CN2597960Y Large screen digital wireless telemetering water gage |
| 01/07/2004 | CN2597959Y On vehicle oiling meter |
| 01/07/2004 | CN2597958Y Water resources well water level monitor |
| 01/07/2004 | CN1466674A Method for detecting the limit state of a material and device thereof |
| 01/07/2004 | CN1465961A Water level and vibration detection sensor for washing machine |
| 01/07/2004 | CN1465960A Water level sensor for washing machine |
| 01/06/2004 | US6672510 Bar code arrangement for identifying positions along an axis |
| 01/06/2004 | US6672244 Fuel level indicator system |
| 01/06/2004 | US6672156 Absolute liquid level sensor with refractive encoding |
| 01/06/2004 | US6672155 Apparatus for determining the filling level of a filling material in a container |
| 01/06/2004 | CA2308835C Liquid container having liquid consumption detecting device |
| 01/05/2004 | CA2392579A1 Container inspection and sorting system |
| 01/02/2004 | EP1376077A2 Contactless level sensor |
| 01/02/2004 | EP1376076A1 Vibrating-type level sensor, incorporating a temperature sensor |
| 01/02/2004 | EP1376075A1 Internal combustion engine |
| 01/02/2004 | EP1375338A2 A wireless ballast water monitoring and reporting system and marine voyage data recorder system |
| 01/02/2004 | EP1373841A1 Device for determining and/or monitoring a predetermined filling level in a container |
| 01/02/2004 | EP1373840A1 Device for determining and/or monitoring a predetermined level in a container |
| 01/01/2004 | US20040002822 Monitoring system with thermal probe for detection of layers in stratified media |
| 01/01/2004 | US20040001004 Liquid level sensor apparatus and method of using thereof |
| 12/31/2003 | WO2003074978A3 Stabilized conductivity sensing system |
| 12/31/2003 | CN2596336Y Magnetic float tube type level meter |
| 12/31/2003 | CN2596335Y Magnetic liquid level sensor of output continuous resistance signal |
| 12/31/2003 | CN2596334Y Damping weight level indicator |
| 12/31/2003 | CN2596333Y Water level meter for precisely measuring boiler steam pocket level truth value in starting and stopping boiler full process |
| 12/31/2003 | CN1464826A Continuous manufacturing method for hygroscopic resin powder and powder level detector used therefor |
| 12/31/2003 | CN1464291A Liquid level sensing device |
| 12/30/2003 | US6670601 Fiberoptic fuel gauging system for measuring the level of a liquid in a tank |
| 12/30/2003 | US6668645 Optical fuel level sensor |
| 12/30/2003 | US6668625 Measurement of the level of settled particles within a fluid vessel |
| 12/27/2003 | CA2392062A1 Method for pulse offset calibration in time of flight ranging systems |
| 12/25/2003 | US20030236635 Method and apparatus for determining the composition of fluids |
| 12/25/2003 | US20030235233 Temperature measuring method, object detecting method and object detecting device with vibrating-type level sensor |
| 12/25/2003 | US20030234374 Non-prismatic optical liquid level sensing assembly |
| 12/25/2003 | US20030233875 Liquid level sensing device |
| 12/24/2003 | WO2003106936A2 Scanning capacitive array sensor and method |
| 12/24/2003 | WO2003106934A1 Flow meter |
| 12/24/2003 | WO2003106179A1 Acoustic assessment and/or control of fluid content in a reservoir |
| 12/24/2003 | WO2003060433A3 Method for detecting the position of the interface between two media |
| 12/24/2003 | WO2003052396A3 Methods and devices for erasing errors and compensating interference signals caused by gammagraphy in radiometric measuring systems |
| 12/24/2003 | CN2594772Y Floater and controller thereof |
| 12/23/2003 | US6666086 Automatic boiler level controller |
| 12/23/2003 | US6666085 Liquid level sensor |
| 12/23/2003 | US6666084 Method for determining the fluid level of a tank in motor vehicles |
| 12/23/2003 | CA2124907C Water-sensing alarm for water control systems |
| 12/18/2003 | WO2003104755A1 Electronic system for remote monitoring of the amount of fluids in a container |
| 12/18/2003 | US20030230344 Acoustic control of the composition and/or volume of fluid in a reservoir |
| 12/18/2003 | US20030230141 Optical fuel level sensor |
| 12/18/2003 | DE20122009U1 Drinking mug with drink quantity display and calculation of overall quantity of liquid drunk over defined time interval |
| 12/17/2003 | EP1370836A1 Device for the measurement and monitoring of a process parameter |
| 12/17/2003 | CN1131076C Intelligent infusion detector and alarm |
| 12/16/2003 | US6664558 Non-prismatic optical liquid level sensing assembly |
| 12/16/2003 | US6663353 Fluid transfer system |
| 12/16/2003 | US6662650 Method and apparatus for detecting a dry/wet state of a dual exposed thermistor bead liquid level sensor |
| 12/16/2003 | US6662649 Material level monitoring and reporting |
| 12/16/2003 | US6662648 Filling level measuring device |
| 12/16/2003 | US6662643 Liquid volume monitor for pressurized tanks |
| 12/16/2003 | US6662429 Reference sensors regulate heat flow impinging upon junction points; applying mask wit double row two-mirror symmetrically arranged L-shaped cutouts having long and short legs; sputtering nickel-chrome alloy |
| 12/16/2003 | CA2114319C Window mounted optical moisture sensor having light pipes with distal ends |
| 12/12/2003 | CA2431475A1 Dishwasher float retainer for dishwasher float switch assembly |
| 12/11/2003 | WO2003102515A1 A sensor for measuring the level of a medium |
| 12/11/2003 | WO2003102387A1 Oil pan |
| 12/11/2003 | WO2002066938A8 Level gauge for measuring the amount of liquid in a tank |
| 12/11/2003 | US20030228160 Developer remaining amount detection mechanism and printer |
| 12/11/2003 | DE20312384U1 Liquid alarm e.g. for detecting water in rooms or containers, has probe carrier in housing which can be fitted with various different sensor circuitry |
| 12/10/2003 | CN2591585Y Water level detecting and light detecting apparatus for solar energy water heater |
| 12/10/2003 | CN2591584Y Water level measuring apparatus |
| 12/10/2003 | CN2591583Y Digital fuel gauge |
| 12/10/2003 | CN2590542Y Wax immersion embedding box |
| 12/10/2003 | CN1460842A Residual liquid volume display and residual liqud volume display method |
| 12/10/2003 | CN1130551C Method for producing fuel-resistant immersion float |
| 12/09/2003 | US6661514 Tube blockage monitor |
| 12/09/2003 | US6661389 Horn antenna for a radar device |
| 12/09/2003 | US6658946 Method of detecting fluid flow through a conduit |
| 12/09/2003 | US6658934 Liquid level sender assembly |
| 12/09/2003 | US6658933 Fill-level indicator for a liquefied-petroleum-gas tank |
| 12/09/2003 | US6658932 Measuring device and process seal therefor |