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)
10/1996
10/24/1996WO1996033393A1 Digital liquid level sensing apparatus
10/24/1996WO1996033392A1 Measurement system for liquid volumes and levels in all types of containers
10/24/1996DE19514566A1 Level meter for container
10/24/1996DE19514201A1 Meßsystem für Flüssigkeitsvolumen und Flüssigkeitspegelstände aller Art Measurement system for liquid volume and liquid level objects of all kinds
10/23/1996EP0738881A2 Improvements relating to the collection of process effluent
10/23/1996CN2238424Y Drilling liquid level sensor
10/23/1996CN2238423Y Floating ball type liquid level indicating transducer
10/22/1996US5568449 Methods and apparatus for use in ultrasonic ranging
10/22/1996US5568262 Non-destructive fill volume measurement system
10/22/1996US5566572 Circuitry to minimize stray capacitance effects in a capacitive liquid level measurement device
10/22/1996US5566571 Water level measuring apparatus
10/22/1996US5566465 Stick mate/gauge stabilizer
10/22/1996CA2043684C Liquid level sensing device
10/17/1996WO1996032649A1 Liquid suction examination method and dispensation apparatus driving-controlled by the same
10/17/1996DE19613306A1 Urine flow meter for determining urological flow characteristics in urological examinations
10/17/1996DE19514237A1 Implantable infusion pump
10/16/1996EP0737847A1 Sensor mounting pad
10/16/1996CN2237837Y Buoyancy type digital liquid level monitor
10/15/1996US5565851 Fluid level sensing systems
10/15/1996US5565687 Position responsive apparatus
10/15/1996US5564487 Continuous casting mold having radiation source for level measurement
10/10/1996WO1996031331A1 Core sand preparation apparatus
10/09/1996CN2237230Y Low positon direct visual water level meter
10/09/1996CN2237229Y Immersion photoelectric fluid level sensor
10/09/1996CN2237228Y Gravity-free fluid level sensor
10/09/1996CN2237227Y Liquid level pressure sensor with automatic gas supplementary device
10/09/1996CN2236851Y Alarm device for intravenous injection level
10/08/1996US5563845 System and method for acoustically imaging an underground tank
10/08/1996US5562132 Bulk containers for high purity chemical delivery systems
10/08/1996US5562003 Apparatus for detecting the level of a liquid in a tank
10/03/1996WO1996030771A2 Narrow field electromagnetic sensor system and method
10/03/1996WO1996030758A1 Sensor arrangement
10/03/1996WO1996030728A1 Fluid level measuring and/or checking device
10/02/1996DE19610734A1 Vorrichtung zur Messung und/oder Kontrolle eines Flüssigkeitsniveaus Device for measuring and / or control a liquid level
10/02/1996DE19511201A1 Water shortage protection appts. for hot water heating system
10/02/1996DE19510484A1 Level meter for medium in container working according to radar principle
10/02/1996CN2236649Y Temperature and level monitoring alarm of solar water heater
10/02/1996CN2236323Y Infusion monitor
10/01/1996US5560246 Mass flow rate measuring device with dual electrodes
09/1996
09/26/1996WO1996029580A1 Liquid quantity sensor and method
09/26/1996WO1996029579A2 Method and apparatus for determining the quantity of a liquid in a container independent of its spatial orientation
09/26/1996WO1996029578A1 Inventory management method and apparatus
09/26/1996WO1996029575A2 Low power signal processing and measurement apparatus
09/26/1996WO1996024823A3 Apparatus for capacitive measurements
09/26/1996WO1996024027A3 Improvements relating to pulse echo distance measurement
09/26/1996CA2213335A1 Low power signal processing and measurement apparatus
09/25/1996EP0734102A2 Connector for concentric tubes attached to a fuel gauge
09/25/1996CN2236124Y Level meter for hot-pipe type anti-frozen glass tube
09/23/1996CA2145260A1 Water alert system
09/18/1996EP0732598A1 Ultrasonic sensor and pipetting apparatus using same
09/18/1996EP0587834B1 Ultrasonic distance measuring device
09/18/1996EP0543006B1 Device for detecting and/or monitoring a predetermined level in a container
09/18/1996CN2235611Y Float type liquid flow rate meter
09/18/1996CN2235610Y Large angle broad surface tubular two color tank gage
09/18/1996CN1131461A Differential pressure measurement arrangement utilizing dual transmitters
09/17/1996US5555905 Cassette type gas cylinder with remaining volume alarm unit and manufacturing method thereof
09/17/1996US5555857 Fluid level indicator system
09/17/1996US5555764 Gauge for monitoring the content of a propane tank
09/17/1996CA2060908C Vibrator-type level sensor
09/12/1996WO1996027318A1 Apparatus for preparing a hot beverage
09/12/1996DE19609094A1 Low cost determination of level and exhaustion of paste or viscous fluid in cartridge dispenser
09/12/1996DE19507542C1 Mass flowrate measuring system for milking device
09/11/1996EP0731343A2 Fluid monitoring probe with leak protection
09/11/1996EP0731342A2 Method for monitoring fluid level in a container
09/11/1996EP0731341A1 Device for indicating the position of an interface between two septic media and detecting method using this device
09/11/1996CN2235113Y Capacitance charge level limit switch
09/11/1996CN2235112Y Photoelectric sensor level instrument
09/10/1996US5554937 Apparatus and method for sensing material level by capacitance measurement
09/10/1996US5554936 Mixed fluid time domain reflectometry sensors
09/10/1996US5554072 Coaxial connector for concentric cylindrical tubes
09/10/1996US5553780 Spraying system with low liquid level warning
09/10/1996US5553494 Fluid level sensing systems
09/10/1996US5553479 Threshold level calibration method and apparatus
09/06/1996WO1996027120A1 A method and an apparatus for measuring and indicating the fluid level in a container
09/05/1996DE19528915C1 Cylindrical liquid storage tank filling level/filling vol. characteristic determination method
09/05/1996DE19516809C1 Capacitive liq. level sensor based on cores of flexible ribbon cable for e.g. milk tank
09/04/1996EP0729564A1 Procedure and apparatus for the calibration of a liquid measuring apparatus
09/04/1996CN2234607Y Fibre-optic pressure transducer
09/04/1996CA2170847A1 Device for locating the position of the separation between two mediums, a receptacle and a detection process employing the device
09/03/1996US5552774 Magnetically activated float switch
09/03/1996US5552371 YBA CUO-type superconducting material based apparatus for auto-filling liquid nitrogen
09/03/1996US5551290 Liquid level indicating device
08/1996
08/29/1996WO1996026108A1 Device for pressurising a unified two-liquid propulsion subsystem for geostationary satellites
08/28/1996EP0729014A1 Electrical indicator of improved operation for the liquid fuel level in a motor vehicle tank
08/28/1996EP0676027B1 Determining the amount of working fluid in a refrigeration or heat pump system
08/28/1996CN1129977A Self test apparatus for ultrasonic sensor
08/27/1996US5550474 Battery electrolyte-level and electrolyte-stratification sensing system
08/27/1996US5550369 Triangulation position detection method and apparatus
08/27/1996US5550059 Fluid sensing pipette
08/22/1996WO1996025647A1 A method and apparatus for level gauging using radar in floating roof tanks
08/22/1996DE19505414A1 Detecting fault in water supply or discharge
08/21/1996CN2233567Y Long-range anti-interference radio telemetering digital level gauge
08/21/1996CN2233566Y Pressure liquid storage level gauge
08/21/1996CN2233565Y Two-colour water level gauge without light source
08/21/1996CN2233564Y Two-wire level transducer
08/21/1996CN2233258Y Medical infusion alarm
08/20/1996US5548278 Self-calibrating hydraulic fluid leak detection system
08/20/1996US5546733 Method and an apparatus for registering a level of contents
08/15/1996WO1996024823A2 Apparatus for capacitive measurements
08/14/1996DE19504579A1 Detector system for detecting liquid surfaces using light source for irradiating these