Patents
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)
06/2003
06/19/2003WO2003050479A1 Electronic field device with a sensor unit for process measurement
06/19/2003WO2003050471A1 Apparatus and method for the measurement of electrical properties of materials through non-magnetizable materials
06/19/2003US20030110963 Ink and dampening solution determination in offset printing
06/19/2003US20030110856 Bubble water depth measuring method and system thereof
06/19/2003US20030110855 Method and device for determining the filling level for the ascertainment of the simmering process of mineral oil products
06/19/2003US20030110846 Device and method for measuring the injection quantity of injection nozzles, especially for motor vehicles
06/19/2003CA2469920A1 Method for the acoustic control of bottle fill levels
06/18/2003EP1319177A2 Device and method for the optical inspection, assessment, and control of colored plastic articles and/or container contents
06/18/2003EP1319168A1 Sensor device
06/18/2003EP1318966A2 Method and device for determining quantities of fluid
06/18/2003EP0940658A4 Ultrasound sensor for detecting the level of liquids
06/18/2003DE20302582U1 Ultrasonic fluid level monitor for pharmaceutical processes has membrane flush with housing
06/18/2003CN2556611Y Steel wire disc type high precision level meter
06/18/2003CN2556610Y Barrier potential admittance bin level meter
06/18/2003CN1424577A Biosensor with sample type and volume test and method thereof
06/18/2003CN1424561A Low temperature level meter
06/17/2003US6578418 Sight glass
06/17/2003US6578417 Filling level sensor
06/17/2003US6578416 Fuel system
06/17/2003US6578415 Limit-level sensor and method of determining the undershooting or overshooting of an intended level of liquid in a container
06/17/2003CA2251052C Fuzzy logic liquid level control
06/12/2003WO2003048698A1 A method and apparatus for measuring a fluid level and a motor vehicle provided with such apparatus
06/12/2003WO2003048697A1 Radar antenna
06/12/2003WO2003048696A1 Level gauge
06/12/2003WO2003048695A1 Centering device for a rod-type or wire-type probe
06/12/2003US20030109798 Biosensor apparatus and method with sample type and volume detection
06/12/2003US20030107738 Photometric calibration of liquid volumes
06/12/2003US20030106371 Gear assembly including magnetic cap with alignment feature
06/12/2003US20030106370 Measuring apparatus
06/11/2003EP1317660A1 Catalyst feeding system
06/11/2003EP1317659A1 Filling level measuring device
06/11/2003CN1423582A Device for determining and/or monitoring a predetermined level
06/11/2003CN1111273C Automatic supersonic oil tank level measurement method based on half-wave transmission principle
06/10/2003US6577960 Liquid gauging apparatus using a time delay neural network
06/10/2003US6577959 Fluid level measuring system for machines
06/10/2003US6577118 System and method for measuring liquid metal levels or the like
06/10/2003US6575028 Auto-cleaning oil-gauge for axle-ends of vehicles
06/10/2003US6575010 Method and system for detecting and cross-checking faulty sensors in liquid level indicators and controllers
06/10/2003CA2316497C Device for determining the filling level of a filling material in a container
06/10/2003CA2313443C Method and apparatus for the highly accurate determination of the filling level of a product in a container
06/05/2003WO2003046546A1 Detection systems and methods
06/05/2003WO2003046500A1 Fiberoptic water sensor
06/05/2003WO2003046491A1 Antenna system for a level measuring device
06/05/2003WO2003046490A1 Method for a capacitive level measurement
06/05/2003WO2003021198A3 Digital conversion adapter for magnetically coupled level meters
06/05/2003US20030101819 Acoustic assessment of fluids in a plurality of reservoirs
06/05/2003US20030101811 Apparatus for liquid level measurement in a container
06/05/2003CA2468317A1 Detection systems and methods
06/04/2003EP1316782A1 A method and apparatus for measuring a fluid level and a motor vehicle provided with such apparatus
06/04/2003CN2554614Y Water level measuring apparatus of massage bathtube
06/04/2003CN2554613Y Vehicle Fuel-iol digital display metering instrument
06/04/2003CN2554612Y Gas-holder height display board
06/04/2003CN2554611Y Fluid level indicator
06/04/2003CN2554610Y Water temp., water level display
06/04/2003CN1422385A Method of detecting a material interface using a microwave level transmitter
06/04/2003CN1110689C Level sensor
06/03/2003US6573829 Oil proper amount informing apparatus for engine
06/03/2003US6573732 Dynamic range sensor and method of detecting near field echo signals
06/03/2003US6572255 Apparatus for controllably mixing and delivering diluted solution
06/03/2003US6571644 Method and device for determining the filling level for the ascertainment of the simmering process of mineral oil products
06/03/2003US6571627 Slide detector
06/03/2003US6571626 Fuel level sensor
06/03/2003US6571625 Fluid level sensor
06/03/2003US6571624 Low gravity liquid level sensor rake
05/2003
05/30/2003WO2003044470A1 Device for level detecting
05/30/2003WO2002037007A9 Liquid level controller
05/29/2003US20030099426 Communication system with a signal conduction matrix and surface signal router
05/29/2003CA2412405A1 Liquid level gauge and specific gravity calibration therefor
05/28/2003EP1315179A1 Level indicator for oil filled transformers, choke coils or tap changers
05/28/2003EP1314968A1 System for indicating the level of fuel in a fuel tank
05/28/2003EP1314967A1 Electronic multi-purpose material level sensor
05/28/2003EP1314006A2 Device for determining and/or monitoring the density and/or the level of a filling material in a container
05/28/2003EP1314005A2 Method for measuring the level of a medium in a reactor
05/28/2003CN2553349Y Hot water yield display device for electric water heater
05/28/2003CN2553348Y Self-descaling electrode type water level testing sensor
05/27/2003US6570380 Non-linear hall IC
05/27/2003US6568587 Collapsible measuring container
05/27/2003US6568264 Wireless swimming pool water level system
05/27/2003US6568263 Liquid level detector and system
05/27/2003US6568262 Device for detecting fuel input in a motor vehicle tank
05/22/2003WO2003042640A1 Liquid level sensor
05/22/2003WO2003042639A1 Slot antenna
05/22/2003US20030095675 Light communication channel-based voice-activated control system and method for implementing thereof
05/22/2003US20030094044 level gauge for oil-filled transformers, chokes and tap changers
05/22/2003US20030094043 Device for sensing the level of liquid, particularly for submersed pumps
05/22/2003US20030094042 Temperature-sensing device for determining the level of a fluid
05/21/2003EP1313056A1 System for detecting and recording discharges of waste hydrocarbons of a ship
05/21/2003EP1312898A2 Contact free sensor system
05/21/2003EP1312897A2 Capacitive liquid level sensor for submersed pumps
05/21/2003EP1311822A2 Method and apparatus for determining the composition of fluids
05/21/2003EP1311807A1 Device for determining the level of a filler material in a container
05/21/2003EP0799407B1 Electronic multi-purpose material level sensor
05/21/2003CN2551980Y Explosion-proof level meter
05/21/2003CN2551979Y Explosion-proof in situ digital display level meter
05/21/2003CN1109235C Pneumatic liquid level indicator
05/20/2003US6564658 Electromagnetic method of liquid level monitoring
05/20/2003US6564632 Liquid level gauge with removable hall device
05/20/2003US6564631 Digital signal fuel sensor
05/20/2003US6564630 Method for measuring level and level sensor
05/20/2003CA2266093C Fiber optic pressure sensitive optical switch and apparatus incorporating same