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)
03/2004
03/11/2004WO2004020959A1 Level sensor
03/11/2004US20040048393 Drawing a biological sample by means of a suction-discharge device, such as a pipette; used for detecting the level of a biological liquid in a specimen holder or test tube, particularly necessary on an automatic analyzer
03/11/2004US20040046573 Method for determining and/or monitoring filling of a product in a container
03/11/2004US20040046572 Determining levels of substances using multistatic probes
03/11/2004US20040046571 Characterizing substances with multistatic probes
03/11/2004US20040045694 Molten metal pouring control system and method
03/11/2004US20040045367 Flow Meter
03/11/2004US20040045353 Flexible level detection apparatus
03/11/2004DE20319370U1 Capacitive tank level sensor has rigid and flexible electrodes held apart by plastic spring stirrup clips and look up table data processing
03/11/2004DE10331566A1 Strömungsmittelniveausensor Fluid level sensor
03/11/2004DE10238964A1 Double-walled industrial storage tank for toxic or water-contaminating liquids, has pressure sensors in the inner tank and outer inter-wall space connected to evaluation electronics so that a leak can be automatically detected
03/11/2004DE10235949A1 Electronic capacitive dipstick has copper electrodes placed at regular intervals along a plastic dipstick which is arranged over an inner concentric aluminum tube
03/10/2004EP1396710A2 Microwave level gauge capable of operation at high temperatures and/or high pressures and/or in a chemically agressive environment
03/10/2004EP1396706A2 Flow meter
03/10/2004EP1395806A2 Sample level detection system
03/09/2004US6704525 Developing device, process cartridge and electrophotographic image forming apparatus
03/09/2004US6703723 Device for sensing and blocking froth in a home machine for manufacturing soybean milk, watery bean curd, and bean curd
03/09/2004US6703635 Method and apparatus for measuring the level of liquid using optical fiber strain gauge
03/09/2004US6702299 Closure structure with a plug
03/09/2004US6701784 Carburetor fuel level management system
03/09/2004US6701783 Device and a process for determining the positions of border areas between different mediums
03/04/2004WO2004018978A1 System for level gauging and alarms
03/04/2004WO2004018974A2 Device for monitoring a predetermined filling level of a measuring medium in a container
03/04/2004WO2003054481A3 Method for detecting and/or monitoring a physical or chemical process variable
03/04/2004WO2002044657A9 Method for detecting faulty liquid level sensors
03/04/2004US20040044497 Method and apparatus for monitoring operational performance of fluid storage systems
03/04/2004US20040041855 Ink cartridge detector, ink jet printer incorporating the same and ink cartridge detected by the same
03/04/2004US20040041709 Device and method for identifying a containers
03/04/2004US20040040624 Method of measuring the filling degree of filling in a debarking drum
03/03/2004EP1394518A1 Apparatuses and methods for distributing chemical liquid products
03/03/2004EP1393023A1 Level gauge for measuring the amount of liquid in a tank
03/03/2004CN2605561Y Overflow alarming device
03/03/2004CN2605560Y Water consumption metering device
03/03/2004CN1479086A Use of digital material level sensor
03/03/2004CN1479085A Digital material level sensor
03/03/2004CN1479084A Manufacture of digitl material level sensor
03/03/2004CN1140775C Stop position detecting system of ship-lift
03/03/2004CN1140774C Low-temp water level sensor
03/03/2004CN1140365C Metal liquid level detecting and controlling device for hot continuous casting
03/02/2004US6700503 Method of communicating conditions within a storage tank level
03/02/2004US6700389 Temperature compensation of an inductive sensor
03/02/2004US6698284 Liquid level gauge
03/02/2004US6698215 Level sensory device and mounting bracket therefor
02/2004
02/29/2004CA2433615A1 Level meter
02/26/2004WO2004017025A1 System for the production of a modular structure for the determination of a physical process variable and standardised components
02/26/2004US20040036618 Portable liquid level detector
02/26/2004US20040036617 System for level gauging and alarms
02/26/2004US20040036482 Probe for use in level measurement in time domain reflectometry
02/26/2004US20040036043 Fiber optic level detector
02/26/2004US20040035465 Liquid level controller
02/26/2004US20040035197 Airline coffee brewer
02/26/2004DE20319293U1 Vorrichtung zum Messen des Füllstands von Lagergut Apparatus for measuring the level of stored goods
02/26/2004DE10237931A1 Fixed, filling level monitoring, density, and viscosity measurement device, comprises a vibrator fixed at a chosen level, with a microprocessor to control feedback electronics to provide a constant phase-frequency response
02/26/2004DE10236327A1 Multi-sensor system operating method in which the sensor data used to generate at least one measurement value are compared with virtual sensor data derived from the measurement value to check their validity
02/25/2004CN2604672Y Fluid level sensor
02/25/2004CN2604671Y Fuel level gauge for vehicle
02/25/2004CN2604189Y Medical intravenous drip gravity infusion limiting automatic alarmer
02/25/2004CN1477648A Core level monitoring device for reactor
02/25/2004CN1477376A Surface irrigation water flow movement measuring instrument
02/25/2004CN1139788C Anti-corrosion liquid levelmeter and its producing method
02/24/2004US6697055 Multifunctional portable computing device with special housing
02/24/2004US6696966 Automatic salt level monitor for a water softening device
02/24/2004US6696965 Rotary paddle bin monitor
02/24/2004US6696964 Device for monitoring the filling of a bag
02/24/2004US6696962 Resonant tube level sensor
02/24/2004CA2194839C Avoiding bubble formation while sensing air-liquid interface using pressurized air flow
02/19/2004US20040032252 Displacement sensing measuring device and apparatus
02/19/2004US20040031335 Bulk materials management apparatus and method
02/19/2004US20040031329 Sensing device for measuring volume, position, or mass of matter
02/19/2004US20040031327 Filler detection method and filler detection device
02/19/2004DE20318610U1 Water level limiter for heating systems, has additional limit level electrodes with flat measurement point surfaces below normal control electrodes
02/19/2004DE19780112B4 Fluid level detection system for ink in printing press
02/19/2004DE10237946A1 Liquid level sensor for electrical measurement of the liquid level in a container, especially a motor vehicle fuel tank, comprises an array of overlapping thermocouples mounted on an elongated support that is held within a housing
02/19/2004DE10234303A1 Vorrichtung zur Bestimmung und/oder Überwachung einer physikalischen oder chemischen Prozeßgröße Device for determining and / or monitoring a physical or chemical process variable
02/19/2004DE10233455A1 Sludge level determination dipstick for use with an oil tank or similar has an optical indicator element on the side of it, so that when the stick has been inserted to the bottom of a tank both oil and sludge levels are apparent
02/19/2004DE10052819B4 Pipettensystem und Pipettenarray sowie Verfahren zum Befüllen eines Pipettensystems Pipette and pipette array system and method for filling a pipette system
02/18/2004EP1389729A1 Process and apparatuses for monitoring filling quantities
02/18/2004CN2603933Y Seal oil liquid level detecting meter for gas cabinet
02/18/2004CN1476652A Horn antenna for radar device
02/18/2004CN1476531A Detection of dynamic fluidized bed level in fluidized bed polymerization reactor using ultrasonic wave or microwaves
02/18/2004CN1476529A 传感器设备 Sensor devices
02/18/2004CN1475778A 液位检测器 Level detector
02/18/2004CN1475359A Liquid container with liquid consumption detector
02/17/2004US6693285 Fluorescent fluid interface position sensor
02/17/2004US6691570 Device for measuring the material level in a vessel
02/12/2004WO2004013586A1 Fuel tank cover body
02/12/2004WO2004013585A1 Device for the determination or monitoring of a physical or chemical process parameter
02/12/2004WO2004013584A1 Stabilization of oscillators for a low power radar level transmitter
02/12/2004WO2004013583A1 Probe to detect the level of a liquid particularly water within a boiler particularly in a small electric household appliance
02/12/2004WO2004012996A1 Automatic refill system for ultra pure or contamination sensitive chemicals
02/12/2004WO2004012954A1 Fuel transfer pump and control
02/12/2004US20040030532 Device for determining and/or monitoring a process variable
02/12/2004US20040029366 Method for calculating a temporal level signal
02/12/2004US20040027137 Time domain reflectometry probe for level sensing
02/12/2004US20040026110 Electrical lead-through bushing and system with the electrical bushing
02/12/2004US20040025850 Fuel supply apparatus and residual fuel amount indication device for fuel supply apparatus
02/12/2004US20040025588 Filling level measuring device
02/12/2004US20040025587 Stick for measuring the level of a molten metal bath
02/12/2004US20040025569 Device for determining and/or monitoring the density and/or the level of a filling material in a container
02/12/2004DE10332916A1 Flüssigkeitspegeldetektor Liquid level detector