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)
05/2003
05/15/2003WO2002035206A3 Detection of dynamic level using ultrasonic waves or microwaves
05/15/2003US20030090161 Light communication channel-based electronics power distribution system
05/15/2003US20030089335 Optically controlled IPCS circuitry
05/14/2003EP1310778A1 Level measurement device to measure the filling level of a container
05/14/2003EP1310776A2 Monitoring system for vehicle tanks
05/14/2003EP1310631A2 Apparatus and method for locating a fluid interface
05/14/2003EP1309820A2 Automatic refill system for ultra pure or contamination sensitive chemicals
05/14/2003EP0914594B1 Piezoelectric liquid gauging device
05/14/2003CN2550734Y Two-wire system transmission device for external adhesive supersonic liquid level switch
05/14/2003CN2550733Y High temperature supersonic probe
05/14/2003CN2550732Y Intelligent detector with multimedia interface for oil tank
05/14/2003CN2550731Y 集成电路液位继电器 IC level relay
05/14/2003CN2550730Y Oil level meter for transformer
05/14/2003CN2550729Y Flow meter/liquid level meter indicator
05/13/2003US6563328 Capacitive probe for measuring the level of an electricity-conducting liquid in a vessel
05/13/2003US6563306 Method and apparatus for detecting displacement of a magnet moved in response to variation of a physical characteristic of a fluid
05/13/2003US6561022 Position encoder
05/08/2003WO2003038380A1 A position sensor
05/08/2003US20030084938 Level control system for sheet casting process
05/08/2003US20030084720 Liquid level gauge with removable hall device
05/08/2003CA2452295A1 A position sensor
05/07/2003EP1308085A2 Apparatus and method for monitoring soil moisture conditions and for maintaining soil moisture conditions
05/07/2003EP1068494B1 Nuclear level sensing gauge using scintillating fiber bundle
05/07/2003CN2549438Y Digital open channel flowmeter
05/07/2003CN1416522A Method and device for detecting and/or monitoring level of medium in container
05/07/2003CN1416394A Ink and dampening solution determination in affset printing
05/07/2003CN1415943A Liquid level meter with ultrasonic wave floater
05/06/2003US6559657 Probe mapping diagnostic methods
05/06/2003US6559397 Dishwasher float retainer for dishwasher float switch assembly
05/06/2003US6558216 Land and water based flash flood detection and warning system
05/06/2003US6557896 Road and rail tankers
05/06/2003US6557889 Crush velocity sensing vehicle crash sensor
05/06/2003US6557593 Refillable ampule and method re same
05/06/2003US6557412 Non-fouling liquid level control
05/02/2003EP1305581A1 Device for measuring the level of a material in a container
05/02/2003EP1305577A1 Device for measuring/determining a physical quantity of a medium
05/02/2003EP1305574A1 Optical transducer
05/01/2003US20030081502 Method of locking onto and tracking a target
05/01/2003US20030080304 Apparatus and method for monitoring soil moisture conditions and for maintaining soil moisture conditions
05/01/2003US20030079527 Measurement of the level of settled particles within a fluid vessel
04/2003
04/30/2003CN2548129Y Liquid-level indicating controller
04/30/2003CN2548128Y Current-method bin level measuring device
04/30/2003CN2548127Y Spring-type water-level meter
04/30/2003CN2547559Y Fuel tank fuel-display device
04/30/2003CN1414907A Apparatus for sensing fluid level in ink and water mixing device
04/30/2003CN1414352A Device for measuring fuel-oil level of fuel-oil tank
04/30/2003CN1413887A Closure structure with stopper
04/30/2003CN1107223C Digital TV monitor system and method for dock and ship cabin
04/30/2003CN1107208C Device for sensing and controlling ice level
04/30/2003CA2410183A1 Apparatus and method for monitoring soil moisture conditions and for maintaining soil moisture conditions
04/29/2003US6556511 Method of locking onto and tracking a target
04/29/2003US6555837 Fluoropolymer fluid overfill probe
04/29/2003US6554381 System for registration of a fluid level in a receptacle
04/29/2003US6553830 Fluid measuring device measuring fluid level in a container at high temperatures and/or high pressures and/or in a chemically aggressive environment using microwaves
04/29/2003CA2246452C Tank level gauge and sensor head therefor
04/24/2003WO2003034004A1 Device for determining the filling level of a substance in a container
04/24/2003WO2003034003A1 Pivoting base weighing apparatus for gas cylinder
04/24/2003WO2003033113A2 Fuel gauge for hydrogen storage media
04/24/2003WO2002039126A8 Stable, reliable capacitive oil deterioration and level sensor
04/24/2003US20030077491 Weight sensing system, method for use thereof, and electrochemical system for use therewith
04/24/2003US20030075698 LCC-based fluid-level detection sensor
04/24/2003US20030075556 Operation checking device and checking method for dispenser
04/24/2003US20030074972 LCC-based strain-gage sensor integrated with cylinder-head gasket
04/24/2003US20030074965 Fuel level detection device for a fuel tank
04/24/2003US20030074957 Engine combustion monitoring and control with integrated cylinder head gasket combustion sensor
04/24/2003CA2463652A1 Fuel gauge for hydrogen storage media
04/23/2003EP1304474A1 Fuel level detecting device for fuel tanks
04/23/2003CN2546862Y Infrared oil level controller
04/23/2003CN2546860Y Water conservancy lony-distance measurement controlling apparatus
04/22/2003US6553189 Optical guide, process cartridge, and electrophotographic image forming apparatus
04/22/2003US6551558 Method and device for liquid transfer with an analysis apparatus
04/22/2003US6550345 Technique for measurement of gas and liquid flow velocities, and liquid holdup in a pipe with stratified flow
04/22/2003US6550326 Portable container level indicator
04/17/2003WO2003031919A1 Liquid level measuring device
04/17/2003US20030070487 Fuel gauge for hydrogen storage media
04/16/2003EP1208431A4 Electro-statically shielded processing module
04/16/2003EP0830566B1 Light beam range finder
04/16/2003CN2545581Y Improved portable liquid level observer
04/16/2003CN1411551A Device for determining and/or monitoring level of filling material in container
04/16/2003CN1410743A Electric capacity level meter
04/15/2003US6549174 Apparatus for transmitting radio-frequency signals
04/15/2003US6548814 Arrangement and a method for measuring level, interface level and density profile of a fluid in tanks or containers
04/15/2003US6546956 Opaque container fluid indicator
04/15/2003US6546797 Absolute position measure with multi-beam optical encoding
04/15/2003US6546796 Liquid level sensor
04/15/2003US6546795 Wireless liquid level sensing system and method
04/15/2003US6546794 Liquid level measuring apparatus and method
04/15/2003CA2109032C Side-mountable liquid level sensor assembly
04/10/2003WO2003029763A1 Flexible dipstick for measuring liquid level
04/10/2003US20030069684 Fuel optimization system with improved fuel level sensor
04/10/2003US20030068936 Land and water based flash flood detection and warning system
04/10/2003US20030066566 Pug means
04/10/2003CA2838176A1 Determination of sample volume adequacy in biosensor devices
04/09/2003EP1299697A2 Liquid gauging apparatus using a time delay neural network
04/09/2003CN2544259Y Water level electrode capable preventing wet scale conduction
04/09/2003CN2543753Y Float sensor for fuel tank of car
04/09/2003CN1105295C Oil level measuring device for oil tank of vehicle
04/09/2003CN1105293C Method for mounting differential pressure changer
04/08/2003US6545603 Measuring device using an indirect measurement of permittivity
04/08/2003US6545556 Oscillating element that can be piezoelectrically excited