Patents
Sitemap › G01 - Measuring; Testing › G01F - Measuring volume, volume flow, mass flow, or liquid level; Metering by volume › 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
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)
04/2003
04/08/2003US6545286 Method and apparatus for water level determination
04/08/2003US6543493 Optical monitoring processes and apparatus for combined liquid level sensing and quality control
04/08/2003US6543283 Sensor for determining the level and temperature of a liquid
04/03/2003US20030061876 Acoustic fluid-gauging system
04/03/2003US20030061875 Fluid level measuring device
04/02/2003EP1297312A2 Sensor capable of operating outside of ambient operating temperature limits
04/02/2003EP1297246A1 Plug means
04/02/2003CN2543041Y Float hammer tube-separating logging
04/02/2003CN2543040Y Nutrient solution level digital sensor
04/02/2003CN2543039Y Dehydrating interface instrument
04/02/2003CN2542612Y Multi-phase level sensor
04/01/2003US6542848 Differential pressure gauge for cryogenic fluids
04/01/2003US6541974 Device for storing a gaseous medium in a storage container
04/01/2003US6541758 Liquid-level gauge
04/01/2003US6539819 Sensor with moisture protection
04/01/2003US6539806 Fluid-load measurement by magnetic excitation and vibration sensing of a fluid-load-sensitive diaphragm
04/01/2003US6539797 Auto-compensating capacitive level sensor
04/01/2003US6539796 Liquid level sensor, ampoule, and liquid amount detection method
04/01/2003US6539794 Arrangement for measuring the level of contents in a container
03/2003
03/27/2003WO2003025523A1 Antenna feeder in a level measuring gauging system
03/27/2003WO2003025522A1 Thermochromatic level indicator for an aerosol container
03/27/2003WO2003025521A1 Method for calculating a temporal level signal
03/27/2003WO2003024532A1 Fire extinguisher
03/27/2003US20030056827 Ball tap with a water level switch
03/27/2003US20030056824 Fuel transfer pump and control
03/27/2003US20030056587 Thermochromatic indicator for an aersol container
03/27/2003CA2394920A1 A ball tap with a water level switch
03/26/2003WO2002027349A2 Method for detecting the limit state of a material, and device therefor
03/26/2003EP1294260A1 Illuminated jug kettle
03/26/2003CN2541824Y Drilling liquid level signal picking up device
03/26/2003CN2541823Y Metal level probe
03/25/2003US6539286 Fluid level sensor
03/25/2003US6538598 Apparatus and method for liquid level measurement in a sounding tube
03/25/2003US6536861 Liquid container having liquid consumption detecting device
03/25/2003US6536277 Level-tracing water-monitoring apparatus
03/25/2003US6536276 Apparatus and method to non-intrusively measure the level of liquid in a sealed container
03/25/2003US6536275 Ultrasonic transducer for liquid measurement
03/20/2003WO2003023793A1 Variable resistive element
03/20/2003WO2003023370A2 System, method and computer program for conducting optical transmission measurements and evaluating determined measuring variables
03/20/2003WO2003023333A1 Surface switch for determining the surface level
03/20/2003WO2003023331A1 Capacitive liquid level measurement using a reference sensor
03/20/2003WO2003004980A3 Apparatus for continuously monitoring liquid level conditions in a liquid-vapor separating device
03/20/2003WO2003003384A3 Fuel level sensing system
03/20/2003WO2002044657A3 Method for detecting faulty liquid level sensors
03/20/2003US20030052808 Method and apparatus for directly digitizing microwave signals
03/20/2003US20030052696 Temperature compensation of an inductive sensor
03/20/2003US20030052288 Method and apparatus for measuring fill level in bottles
03/20/2003US20030051655 Cleanout alert
03/20/2003CA2460239A1 Variable resistive element
03/19/2003EP1293679A1 Pump unit and liquid level switch
03/19/2003CN2540631Y Liquid level and density investigating device for uncompatible multiple liquid
03/19/2003CN2540624Y 液位探测器 Level detector
03/19/2003CN2540623Y Probe of electronic water gage
03/19/2003CN1404572A A liquid measurement system and shared interface apparatus used therein
03/19/2003CN1403788A Fiber imaging liquid-sensitive sensor
03/19/2003CN1103442C Detecting apparatus and detecting method
03/18/2003US6535699 Developer container, developer amount detecting system, process cartridge, developing device, and image forming apparatus
03/18/2003US6535161 Loop powered radar rangefinder
03/18/2003US6532815 Fluid level verification apparatus
03/18/2003US6532813 Method and device for determining a fill level of liquid in a container
03/18/2003CA2258820C Sensor apparatus
03/18/2003CA2059352C Method and apparatus for measuring the degree of fullness in a mill
03/17/2003WO2002010696A1 Device for measuring the level of a material in a container
03/14/2003WO2002029364A1 Sensor device
03/13/2003WO2003021234A1 Density/level gauge having ultra-low activity gamma-ray source
03/13/2003WO2003021207A1 Liquid level sensor device
03/13/2003WO2003021198A2 Digital conversion adapter for magnetically coupled level meters
03/13/2003WO2002039126A3 Stable, reliable capacitive oil deterioration and level sensor
03/13/2003US20030047884 Closure structure with a plug
03/13/2003US20030046997 Liquid level sensor
03/13/2003DE20219742U1 Baby's drinking bottle, provided with marks indicating the amount of fluid left inside while being used
03/12/2003EP1291624A2 Apparatus for detecting liquid level
03/12/2003EP1291623A1 Resistance type liquid level measuring apparatus
03/12/2003EP1289404A1 Washing agent dispenser for a household dishwasher
03/12/2003EP1289401A2 Level indicator for indicating the filling level of a filter bag and method for operating a vacuum cleaner
03/12/2003CN2539961Y Liquid level differential pressure measuring device
03/12/2003CN2539960Y Water-level gage
03/11/2003US6531977 Pulse center detector for radars and reflectometers
03/11/2003US6530284 Geographical displacement sensing unit and monitoring apparatus using the same
03/11/2003US6530274 Apparatus for liquid level measurement in a container
03/06/2003WO2003019121A1 Radar level-measuring device
03/06/2003WO2003019120A1 Method and device for direct digitization of microwave signals
03/06/2003WO2003019119A1 Combined fluid condition monitor and fluid level sensor
03/06/2003US20030043216 Liquid container having liquid consumption detecting device
03/06/2003US20030042917 Capacitance measuring systems
03/06/2003US20030041665 Digital conversion adapter for magnetically coupled level meters
03/06/2003US20030041660 Fluid gauging
03/06/2003DE20022918U1 Tank level sensor system uses calculation from flows and over pressure
03/06/2003CA2458990A1 Combined fluid condition monitor and fluid level sensor
03/05/2003EP1288635A2 Treatment device for fluids and method for operating the device
03/05/2003EP1287318A1 Method and device for determining the filling level of a medium in a container
03/05/2003EP1287317A1 Method and apparatus for controlling the level of liquids
03/05/2003EP0779990B1 Time-of-flight radio location system
03/05/2003CN1400102A Piezoelectric device and ink cartridge with the piezoelectric device
03/04/2003US6529845 Computer for liquid level measurement
03/04/2003US6529017 Capacitance level measurement circuit and system
03/04/2003US6526824 High purity chemical container with external level sensor and liquid sump
02/2003
02/27/2003WO2003016835A1 Method for evaluating the measuring signals of a propagation-time based measuring device
02/27/2003WO2002042722A3 Remote monitoring adapter for levelmeter
02/27/2003US20030038950 Apparatus for handling liquids and a process for operating the device
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