| 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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| 11/22/2001 | US20010042406 Electromagnetic method of the angular displacement monitoring |
| 11/22/2001 | DE10117279A1 Non-linear Hall integrated circuit converts Hall voltage output by Hall element into output voltage, such that relationship between magnetic field intensity and output voltage is made non-linear |
| 11/22/2001 | DE10022519A1 Method for generating and analyzing a system pressure-weight characteristic curve for use in controlling heating systems using a membrane expanding chamber scale so the correct gas and water levels can be set for all temperatures |
| 11/21/2001 | EP1156306A2 Method for controlling piezoelectric drives in liquid level measurement devices |
| 11/21/2001 | EP1156305A2 Method for controlling a transducer arrangement in liquid level measurement apparatuses and device for curying out of the method |
| 11/21/2001 | EP1156304A1 Device for the remote inspection of the inside of a cistern tank |
| 11/21/2001 | EP1156303A1 Device for detection of interfaces between different fluid layers |
| 11/21/2001 | EP1156302A1 Level measuring device |
| 11/21/2001 | EP1156301A1 System for controlling the capacity of containers |
| 11/21/2001 | EP1155864A1 Mounting structure, module, and liquid container |
| 11/21/2001 | EP1155291A1 Monitoring the performance of a vehicle |
| 11/21/2001 | EP0815419B1 Liquid quantity sensor and method |
| 11/21/2001 | CN2460976Y Constant tension servo-type float level meter |
| 11/21/2001 | CN2460975Y Water-level sensor of solar water heater |
| 11/20/2001 | US6320532 Low power radar level transmitter having reduced ground loop errors |
| 11/20/2001 | US6318826 Device for determining a quantity of consumable product, notably ink, present in a reservoir with a number of compartments, and corresponding document printing device |
| 11/20/2001 | US6318172 Capacitive level detector with optimized electrode geometry |
| 11/15/2001 | WO2001086236A1 Device for determining and/or monitoring the level of a filling material in a container |
| 11/15/2001 | DE10023497A1 Microwave-type level gauge for industrial applications, is equipped with a plate for positioning the microwave generator |
| 11/15/2001 | DE10022891A1 Appliance for determining and/or monitoring filling level of liquids in container based on oscillating prongs induced to oscillate by piezoelectric membrane |
| 11/15/2001 | DE10021061A1 Measurement sensor has high frequency oscillator amplitude produced or increased if second connecting cable opened, cable screen enclosing first and second connecting cables |
| 11/15/2001 | DE10021059A1 Probe for determining the liquid level in a container and detecting the presence of a specified material comprises a sensor element which is located in a sealed plastic probe body |
| 11/14/2001 | EP1154246A2 Filling level indication using light source |
| 11/14/2001 | EP1154245A1 Apparatus for indication the filling level of a container |
| 11/14/2001 | EP1154244A1 Method for measuring the level and the density of a liquid in a container and device therefor |
| 11/14/2001 | EP1153882A1 Method for controlling the fluid level |
| 11/14/2001 | EP1153784A2 Solid state fuel level sensing |
| 11/14/2001 | EP1153752A2 Semiconductor device, ink tank provided with such device and method of manufacturing such device |
| 11/14/2001 | EP1153271A1 Liquid level sensor for internal combustion engine |
| 11/14/2001 | EP1152850A1 Method for detecting and controlling the level of liquid metal in an ingot mold |
| 11/14/2001 | CN2459634Y Water level control and test device |
| 11/14/2001 | CN2459633Y Automatic water level controller |
| 11/14/2001 | CN2459632Y Ultrasonic wave transducer |
| 11/14/2001 | CN2459631Y 光电式液位传感器 Optical Level Sensor |
| 11/14/2001 | CN2459630Y Controller for liquid flow meter |
| 11/13/2001 | US6317599 Method and system for automated optimization of antenna positioning in 3-D |
| 11/13/2001 | US6314808 Fluid level measuring device |
| 11/12/2001 | CA2346737A1 Solid state fuel level sensing |
| 11/08/2001 | WO2001084642A1 Piezo-ceramic multilayer component for measuring instruments and method for the production thereof |
| 11/08/2001 | WO2001084092A1 Encapsulated float and method for making same |
| 11/08/2001 | WO2001084091A1 Fluid reservoir with level measurement and a dosing system, a withdrawal system and a combined dosing/withdrawal system |
| 11/08/2001 | WO2001084090A1 Fuel optimization system with improved fuel level sensor |
| 11/08/2001 | WO2001084086A1 Dynamic range sensor and method of detecting near field echo signals |
| 11/08/2001 | US20010038758 Developing Device, process cartridge and electrophotographic image forming apparatus |
| 11/08/2001 | US20010038698 Audio reception control arrangement and method for a vehicle |
| 11/08/2001 | US20010037680 Capacitive fill level measurment device |
| 11/08/2001 | US20010037679 Method and apparatus for detecting molten metal level in container for melting metallic material |
| 11/08/2001 | CA2407770A1 Encapsulated float and method for making same |
| 11/07/2001 | EP1152227A1 Collapsible measuring container |
| 11/07/2001 | EP1151795A2 Device and method for filling containers |
| 11/07/2001 | EP1151255A2 Volume measurement system and method for volume element counting |
| 11/07/2001 | CN2458605Y 水位探头 Level probe |
| 11/07/2001 | CN2458604Y Multifunctional solid material level-meter |
| 11/06/2001 | US6314377 Optimal location of drive assemblies within a multiple drive array |
| 11/06/2001 | US6311547 Sensor for detecting leaks in a liquid hydrocarbon dispenser |
| 11/06/2001 | CA2259930C Fluid flow measurement correcting system, and methods of constructing and utilizing same |
| 11/01/2001 | WO2001081876A2 System for detecting a liquid level |
| 11/01/2001 | US20010035887 Sensing system for detecting presence of an ink container and level of ink therein |
| 11/01/2001 | US20010035827 Internal liquid level detector system |
| 11/01/2001 | US20010035215 Fuel transfer pump and control |
| 11/01/2001 | US20010035048 Apparatus and method for measuring the level of a fluid |
| 10/31/2001 | EP1149277A1 Device and method for preliminary testing a neat serum sample in a primary collection tube |
| 10/31/2001 | EP0897527B1 Improvements in magnetic float type liquid level gauges |
| 10/31/2001 | EP0815418B1 Method and apparatus for sensing a lack of motion |
| 10/31/2001 | DE10021208A1 Beer keg weighing device uses remaining contents weight for controlling LED display providing visual indication of contents |
| 10/31/2001 | DE10021060A1 Measurement sensor has second connecting line that connects high frequency oscillator to cable shield in region of sensor element which is connected to high frequency oscillator by first connecting line |
| 10/31/2001 | DE10021058A1 Probe for determining liquid level and detecting the presence of material in container, comprises plastic probe element which houses sensor protected against entry of external media by seals |
| 10/31/2001 | DE10020569A1 Oil-level eye for transmission in vehicles, has wire grid of specified mechanical strength, which is arranged enclosing glass received in bore of housing |
| 10/31/2001 | DE10019223A1 System zum Erfassen eines Flüssigkeitsstandes in einem Behälter A system for detecting a liquid level in a container |
| 10/31/2001 | CN2457578Y Magnetostriction multipurpose level, temperature and density meter |
| 10/31/2001 | CN2457577Y Double color guartz tube type anti-explosion night vision level meter |
| 10/31/2001 | CN2456579Y Automatic alarm cap for water level and temperature |
| 10/30/2001 | US6310635 Device for determining a quantity of consumable product present in a reservoir and corresponding device for printing documents |
| 10/30/2001 | US6310574 Level transmitter |
| 10/30/2001 | US6308564 Method and apparatus for determining the quantity and quality of a fluid |
| 10/25/2001 | WO2001079789A2 Capacitance level measurement circuit and system |
| 10/25/2001 | WO2001079788A2 Device for determining the level of contents in a container |
| 10/25/2001 | US20010032507 Filling level sensor |
| 10/25/2001 | US20010032506 Method and apparatus for monitoring liquid level in a container |
| 10/25/2001 | US20010032505 Liquid-level detection method and device thereof |
| 10/25/2001 | US20010032504 Fuel level indicator for propane tank on a barbecue |
| 10/25/2001 | DE10020081A1 Water level sensor for car fuel filters, has self test function through simple time delay circuit |
| 10/25/2001 | DE10020002A1 Apparatus for positioning measuring stick or rod for measuring the level of fluid in a container |
| 10/25/2001 | DE10019666A1 Füllstandssensor Level sensor |
| 10/25/2001 | DE10019129A1 Microwave tank level sensor, has tapered coupling unit avoids cavity resonances |
| 10/24/2001 | EP1148319A2 Level sensor with attitude detection device |
| 10/24/2001 | EP1148318A2 Automatic liquid level detection device |
| 10/24/2001 | EP1147902A1 Tank liquid level detection system |
| 10/24/2001 | EP1147382A1 Piezoelectric device for measuring liquid level |
| 10/24/2001 | CN2456145Y Machine oil monitor for engine |
| 10/24/2001 | CN2456144Y Level alarm |
| 10/24/2001 | CN2456143Y Level and temperature display instrument for solar water heater |
| 10/24/2001 | CN2456142Y Indirect level meter with hydraulic sensor |
| 10/24/2001 | CN2456141Y Level display for head of water heater |
| 10/24/2001 | CN1318740A Level detecting method and device |
| 10/23/2001 | US6307380 Distance measuring apparatus |
| 10/23/2001 | US6305404 Device for regulating the contents of a container |
| 10/23/2001 | US6305235 Variable height sensor tree |
| 10/23/2001 | US6305220 Fuel gauging system for a motor vehicle fuel tank |
| 10/23/2001 | US6305219 Method for determining liquid quantity in microgravity using fluid dynamic positioning |