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)
06/2004
06/17/2004US20040113853 Dielectric rod antenna
06/17/2004US20040112900 Storage container for water-endangering liquids
06/17/2004US20040112127 Apparatus and method for measuring the amount of fuel in a vehicle using transmission lines
06/17/2004DE10254739A1 Checking correct operation of hydraulic test stand for determining toilet bowl rinsing volumes involves volume determined from container emptying, test body throughput agreeing with test stand volume
06/16/2004EP1429123A1 Method and apparatus for detecting a dry/wet state of a thermistor bead using temperature compensation
06/16/2004EP1429122A1 Method and apparatus for detecting a dry/wet state of a dual exposed thermistor bead liquid level sensor
06/16/2004EP1428800A1 Process and device for controlling and regulating a waste water treatment process
06/16/2004EP1428231A1 Variable resistive element
06/16/2004EP1163496B1 Device for detecting fuel input in a motor vehicle tank
06/16/2004CN2620882Y Water level automatic monitoring alarm device
06/16/2004CN1504728A Helical metal band liquid level gage and liquid level determination method thereof
06/16/2004CN1504727A Method for measuring fluctuant liquid level in tank
06/16/2004CN1504357A Oil level system of vehicle
06/15/2004US6750808 Process instrument with split intrinsic safety barrier
06/15/2004US6750657 Combination of a feedthrough element for an electric high-frequency signal and a probe, and a level meter metering device including a combination of this type
06/15/2004US6748805 Multiple input level sensor
06/15/2004US6748804 Microsensor for measuring the position of liquids in capillaries
06/15/2004US6748803 Liquid measurement system and shared interface apparatus for use therein
06/10/2004WO2004049508A2 Universal cage for sensors, particularly suitable for use with fluid level sensors
06/10/2004WO2004049237A2 Products having rfid tags for wireless interrogation
06/10/2004WO2004048905A1 Isolation circuit
06/10/2004WO2004048904A1 Level measuring system and method
06/10/2004WO2004048900A1 Housing with reduced thermal conduction for a measuring instrument
06/10/2004WO2004008081A3 Flow meter
06/10/2004US20040108951 Antenna device for radar-based level gauging
06/10/2004US20040108863 Method and apparatus for detecting a dry/wet state of a thermistor bead using temperature compensation
06/10/2004US20040108861 Portable electronic device including capacitive water detection means and method of implementation
06/10/2004US20040108860 Level measuring device operating with microwaves
06/09/2004EP1426157A1 Continuous manufacturing method for hygroscopic resin powder and powder level detector used therefor
06/09/2004EP1425590A2 System, method and computer program for conducting optical transmission measurements and evaluating determined measuring variables
06/09/2004EP1425558A1 Antenna feeder in a level measuring gauging system
06/09/2004DE20320382U1 Liquid level measuring device comprises capacitive and conductive or vibration-sensitive measurement units, with the latter configured to detect upper and lower liquid level thresholds to enable calibration of the former
06/09/2004DE10255710A1 Inductive displacement sensor has electrical coil in detunable oscillating circuit, movable coil core in coil, coil body divided into at least two sections with different winding densities
06/09/2004CN2620253Y High-pressure and ultra high pressure two colour water level meter
06/09/2004CN2620252Y Long window glass type seven window non-blind area ultrahigh pressure two-colour water leve lmeter sealing assembly
06/09/2004CN2620173Y Steam pocket water level single chamber balance container
06/09/2004CN1503913A Device for determining level of contents in container
06/09/2004CN1503900A Automatic salt level monitor for water softening device
06/09/2004CN1503899A Method and device for measuring liquid level
06/09/2004CN1153049C Ink level sense system
06/09/2004CA2446660A1 Method and apparatus for detecting a dry/wet state of a thermistor bead using temperature compensation
06/09/2004CA2446509A1 Method and apparatus for detecting a dry/wet state of a dual exposed thermistor bead liquid level sensor
06/08/2004US6745626 Liquid detecting piezoelectric device, liquid container and mounting module member
06/08/2004CA2329933C Ultrasonic multi-channel flow measuring method
06/03/2004WO2004046664A1 Device for checking a floating switch
06/03/2004WO2004046662A1 Method of measuring the height of a liquid using a high-frequency line probe
06/03/2004US20040103893 Medical respiratory apparatus
06/03/2004DE202004004521U1 Fourfold valve block for container level for e.g. power plant has one connection provided as tubing and another connection provided as massive shoulder nipple that is connected to block in a fixed manner
06/03/2004DE10255280A1 Anordnung und Verfahren zur Füllstandsmessung Apparatus and method for measuring the level
06/03/2004DE10254720A1 Messgerät Gauge
06/03/2004DE10253368A1 Display device for presenting information relating to liquid containing systems, e.g. liquid heights, comprises a display for output of electronic format information and operating unit for input of operating parameters
06/02/2004CN2619242Y Black and white double colour liquid level meter
06/02/2004CN2619241Y 金属视镜 Metal Mirrors
06/02/2004CN1501053A Detecting and early-warning system for liquid and liquid level in pipe and its application
06/02/2004CN1152230C String-controlled digital coding-decoding sensor and its detecting method
06/01/2004US6744036 Optically coupled sensor for application to combustible liquids
05/2004
05/27/2004WO2004044618A2 Floating weather station
05/27/2004WO2004044535A1 Method and device for determining a level of a liquid in a reservoir of a motor vehicle
05/27/2004WO2003106179B1 Acoustic assessment and/or control of fluid content in a reservoir
05/27/2004US20040101717 Device for measuring/determining a physical quantity of a medium
05/27/2004US20040101440 Automatic analyzer
05/27/2004US20040100281 Isolation circuit
05/27/2004US20040099050 Machine fluid sensor and method
05/27/2004DE202004004943U1 Arrangement for determining or monitoring fill level of medium in container for e.g. liquid, has probe consisting of carbon fiber at outer surface and activated by electronic unit
05/27/2004DE202004004671U1 Pressure sensor for immersion probe has converter for converting bending caused by pressure into signal and has amplification electronic that is in contact with the converter
05/27/2004DE10305716A1 Weighing module for level measurements in containers for liquid or bulk loose material, e.g. silos, comprises a double-T-support configured as a force transfer element with strain gauges for measuring applied shear stress forces
05/27/2004DE10253869A1 Underwater sensor installation and alignment method in which a sensor head is positioned using multiple interlocking insertion frames that are inserted and pushed along an installation element that extends beneath the water
05/27/2004DE10252562A1 Car tank level measurement procedure, has capacitive sensor controlling extraction pump with dynamic related parameter threshold setting
05/27/2004DE10252530A1 Cable tightening device for a liquid level measurement instrument comprises a load that is attached to the free end of a cable with the cable held in place by knotting or bending over of its free end
05/26/2004EP1422528A2 Automatic analyzer
05/26/2004EP1422504A1 Liquid level sensor device
05/26/2004EP1422502A1 Method and device for detecting a liquid surface
05/26/2004EP1421351A1 Radar level-measuring device
05/26/2004EP1421350A1 Combined fluid condition monitor and fluid level sensor
05/26/2004CN2618152Y Magnetoelectric liquefied petroleum level sensor for vehicle
05/26/2004CN2618151Y Intelligent supersonic level sensor
05/26/2004CN2618150Y Capacitance-resistance influent well level measuring devices
05/26/2004CN2618149Y Electrostatic-proof high level alarming devices
05/26/2004CN2618061Y Built-in water level balancing container in steam tank
05/26/2004CN1499583A Method for reducing proportion of discarding wafer in chemical-treating facility
05/26/2004CN1499179A Chemical treating tank with indicator for liquid level in outer trough
05/26/2004CN1151382C Impulse radar with swept range gate
05/25/2004US6741942 Free-flow fluid measurement meter
05/25/2004US6741365 Photometric calibration of liquid volumes
05/25/2004US6740295 By sampling of a code marking on head of a piston rod
05/25/2004CA2316146C Cable support for tank gauge having float and level indicator connected by a cable
05/21/2004WO2004042333A1 Method and device for tightening a limnimeter cable
05/21/2004WO2004042332A1 Solid state illuminator for bi-coloured ported water level gauges
05/20/2004US20040095041 Electromechanical drive or sensor element for a measurement instrument, and method for their production
05/20/2004US20040093943 Impedance level meter for liquids in tanks
05/20/2004US20040093942 Level gauge for measuring the amount of liquid in a tank
05/20/2004US20040093941 Device for establishing and/or monitoring a predetermined fill level in a container
05/20/2004US20040093939 Non-contact level detector for fluids in a container
05/20/2004US20040093938 Liquid in pipeline and liquid level detection and warning system
05/19/2004EP1420245A1 Method and apparatus for detecting a dry/wet state of a thermistor bead
05/19/2004EP1419367A1 Method and device for direct digitization of microwave signals
05/19/2004DE202004002879U1 Magnetic-inductive mass flow meter error compensation device for a full measurement pipe has a piezoelectric element for determining the thickness of a deposition layer so that an accurate flow cross section can be determined
05/19/2004DE10251842A1 Device for measuring liquid level has closed control loop for comparing measurement capacitance with reference capacitance; control loop includes offset correction arrangement
05/19/2004DE10251077A1 Sensor holding assembly for glass melt level-measurement instrument, includes air-flushing channel with permeable termination around sensor
05/19/2004DE10250411A1 Oil tank oil level measurement arrangement comprises a flow linked to a mechanical display and potentiometer, the output of which is connected to a computer so that the tank oil level can be remotely displayed