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)
12/2003
12/09/2003US6658929 Fluid gauging
12/04/2003WO2003101022A2 Device and method for identifying a container
12/04/2003WO2003100359A1 Method and device for measuring the quantity of by-products from cleaning of effluent treatment and collection plants
12/04/2003WO2003100217A1 Liquid level measurement
12/04/2003US20030222768 On-vehicle flood alarm system
12/04/2003US20030222654 Cable testing, cable length, and liquid level determination system utilizing a standing wave reflectometer
12/04/2003US20030221485 Liquid level sensing system utilizing a capillary tube
12/04/2003US20030221484 Measuring weir for measuring flow volume at an overflow
12/04/2003US20030221482 Liquid volume monitor for pressurized tanks
12/04/2003US20030221439 Level sensory device and mounting bracket therefor
12/04/2003DE20313695U1 Feldgerät zur Bestimmung und/oder Überwachung einer Prozessgröße Field device for determining and / or monitoring a process variable
12/04/2003DE20309744U1 Liquid level measurement unit has ultrasonic transducer mounted in air with gating of received echo
12/03/2003EP1367371A1 Adjustable gauge for measuring the level of a liquid medium in a storage tank
12/03/2003EP1366343A1 Apparatus and method of fluid level measurement
12/03/2003EP1366342A1 Bubble level meter and related method
12/03/2003CN2589954Y Low-temperature liquid level indicator
12/03/2003CN2589953Y Microcomputer liquid level gauge
12/02/2003US6656015 Point-of-use fluid regulating system for use in the chemical-mechanical planarization of semiconductor wafers
11/2003
11/30/2003CA2388324A1 Probe for use in level measurement in time domain reflectometry
11/27/2003WO2003054491A3 Measuring rod
11/27/2003WO2003050515A3 Photometric calibration of liquid volumes
11/27/2003US20030217596 Level sensor and control
11/26/2003EP1364189A1 Method for determining the amount of an operating medium in a motor vehicle
11/26/2003EP1046017B1 Measuring the angular distribution of a liquid spray produced by a fuel injection valve
11/26/2003CN2588336Y Optical imaging type level measurer
11/26/2003CN2588335Y Level detector for water channel of irrigation area
11/26/2003CN2588334Y Liquid level detector for biochemical analysis
11/26/2003CN2587845Y Funnel with liquid level indication pointer
11/25/2003US6653941 Device for sensing and alarming absence of water in a home machine for manufacturing soybean milk, watery bean curd, and bean curd
11/25/2003US6653843 Battery acid level alarm
11/20/2003WO2003095954A1 Method for determining a position parameter for a boundary layer of a medium contained in a container
11/20/2003WO2003095953A1 A method and a system for level measurement of a liquid in containers
11/20/2003US20030214545 Remaining-liquid-amount display apparatus and remaining liquid-amount display method
11/20/2003US20030213299 Method for determining a level, and level measuring device
11/20/2003US20030213298 Slow wave structure sensor with zero-based frequency output
11/20/2003CA2485448A1 A method and a system for level measurement of a liquid in containers
11/20/2003CA2428940A1 Level measurement for grease separators
11/19/2003EP1362400A1 Cable duct
11/19/2003CN2587001Y Digital radio-frequency admittance level controller
11/19/2003CN2586960Y Quick dehydrating water level detecting device
11/19/2003CN1128344C Water level gauge with photoelectric markers
11/18/2003US6650280 Measurement system and method
11/18/2003US6650244 On-vehicle flood alarm system
11/18/2003US6650128 Method and apparatus for circuit fault detection with boiler water level detection system
11/18/2003US6647781 Bubble water depth measuring method and system thereof
11/18/2003US6647780 Slow wave structure sensor with zero-based frequency output
11/18/2003CA2308958C A liquid container having a liquid detecting device
11/13/2003US20030210151 Water monitoring system and device
11/13/2003US20030209893 Occupant sensing system
11/13/2003US20030209093 Fluid dispense verification system
11/13/2003US20030209069 Chemical bath having liquid level indications in outer trough
11/12/2003EP1361634A1 Electrical leadthrough and use of the electrical leadthrough
11/12/2003EP1360523A1 Device for determining the level of the contents in a container
11/12/2003EP1360464A1 Level- measuring device which functions with microwaves
11/12/2003EP1237724B1 Apparatus for sensing the fluid level in an ink and water mixing device
11/12/2003CN2586140Y Storage powder level auto measurer
11/11/2003US6644116 Device for determining and/or monitoring the level of a medium in a container
11/11/2003US6644115 Method and device for indicating liquid volume in a tank
11/11/2003US6644114 Direct PWM reflectometer
11/11/2003US6644103 Method and apparatus for detecting a dry/wet state of a thermistor bead
11/11/2003CA2317794C Level measuring instrument with helical conductor
11/06/2003WO2003091672A1 Remote measurement system
11/06/2003WO2003065007A3 Sample level detection system
11/06/2003US20030205187 Wireless ballast water monitoring and reporting system and marine voyage data recorder system
11/06/2003US20030205085 Level detector for a material in a container
11/06/2003CA2427759A1 Weir for measuring liquid overflow
11/05/2003EP1359555A2 Underground water level sensing unit
11/05/2003EP1359398A1 Method for determining the current level of a liquid in a container
11/05/2003EP1359397A2 A fluid level detection apparatus and method for determining the volume of fluid in a container
11/05/2003EP1358450A2 Method and device for rough detection of a filling material in a container in liquid or bulk material
11/05/2003EP1214215B1 Fuel transfer pump and control
11/05/2003EP0975952B1 Monitoring dust deposition
11/05/2003CN2585197Y Automatic control probe for liquid level
11/05/2003CN2585196Y Fibre-optical liquid level gauge
11/05/2003CN2585195Y Vehicle water-level sensor
11/05/2003CN1126663C Liquid consumption state detecting method, liquid container, detecting circuit and recording media
11/05/2003CN1126662C Liquid detecting piezoelectric device, liquid contanier and mounting module body
11/04/2003US6642807 Coaxial probe for high temperature and high pressure applications
11/04/2003US6642722 Method and arrangement for level measuring
11/04/2003US6641545 Biological sampling method
11/04/2003US6640762 System for indicating the level of fuel contained in the tank of a motor vehicle
11/04/2003US6640629 Time domain reflectometry measurement instrument
11/04/2003US6640628 Level-measuring device
11/04/2003CA2287018C Processor apparatus and method for a process measurement signal
10/2003
10/30/2003US20030201842 Coaxial probe for high temperature and high pressure applications
10/30/2003US20030200801 Method for detecting a fluid surface
10/29/2003EP1357366A2 Filling level determination using a rotating element
10/29/2003EP1356724A1 Filling level measuring device for feed troughs
10/29/2003EP1356354A1 Method for determining and representing an optimal arrangement and installation of a radiometric measuring system
10/29/2003CN2583645Y Liquid source automatic monitoring device
10/29/2003CN2583644Y Water police detecting apparatus
10/29/2003CN1452792A Piezo-ceramic multilayer component for measuring instruments and method for production thereof
10/29/2003CN1451545A Ink cartridge detector, ink-jet printer provided with same and ink cartridge detected thereby
10/29/2003CN1125972C Continuous ultrasonic low density powder level measuring instrument
10/29/2003CA2384257A1 Time domain reflectometry probe for level sensing
10/23/2003WO2003088639A2 Cross-coil instrument with a predefined characteristic
10/23/2003US20030196488 Magnetic level indicator float retainer
10/22/2003EP1355135A2 Fluid gauging apparatus using magnetostriction and a stick gauge
10/22/2003EP1355134A1 Liquid level meter
10/22/2003EP1354709A1 Ink cartridge detector, ink jet printer incorporating the same and ink cartridge detected by the same