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)
11/1999
11/11/1999DE19819013A1 Combined density, filling level and temperature measuring device and method e.g. for liquid electrolyte battery
11/10/1999EP0955529A1 Level indicator
11/10/1999EP0955528A1 Method for measuring the level of a product in a container following the radar principle
11/10/1999EP0955527A1 Microwave level detector
11/10/1999CN2348368Y Magnetic liquid level measuring device
11/10/1999CN2348367Y Float-type liquid level sensor
11/10/1999CN2348366Y Sectional capacitive material level sensor
11/10/1999CN2348365Y Coal powder level measuring instrument with weight having folding plates
11/10/1999CN2348364Y Full-automatic monitoring liquid level gauge
11/10/1999CN2348363Y Remote liquid level indicator
11/10/1999CN2348362Y Oil level precision measuring device for large oil-storage tank
11/10/1999CN1234509A Radar detection method for measuring hight of matter in container
11/10/1999CN1234499A Level measuring device operating with microwaves
11/10/1999CN1046234C Apparatus and method for monitoring ink-supply in ink tank of offset printing press
11/09/1999US5982290 Automatic recognition of different types of liquid level sensors
11/09/1999US5980757 Interface detection and control systems and method
11/09/1999US5980032 Compliant ink interconnect between print cartridge and carriage
11/09/1999US5979233 Liquid measuring system and methods
11/09/1999CA2185074C Ultrasonic transducer
11/04/1999WO1999056094A1 Method and device for determining the filling level in containers
11/04/1999WO1999056093A1 Remote sensor head for laser level measurement devices
11/04/1999WO1999056089A1 System for measuring volume and flow rate
11/04/1999DE19819071A1 Determining quantity of gas in pressurized gas container
11/03/1999EP0953827A1 Open channel flowmeter utilizing surface velocity and lookdown level devices
11/03/1999EP0953141A1 Level indicator
11/03/1999EP0830566A4 Light beam range finder
11/03/1999CN2347146Y Water tank float of diesel engine
11/03/1999CN2347145Y Liquid level and interface sensor
11/03/1999CN2347144Y Oil dip rod
11/03/1999CN2347143Y Level meter coupling with throttle valve and cleanable filter
11/03/1999CN2346450Y Automatic infusion monitoring device
11/02/1999US5975686 Regulator for a free-ink inkjet pen
11/02/1999US5975124 Water temperature and level regulator
11/02/1999US5975102 Process and apparatus for detecting the limit level of liquids and bulk materials
11/02/1999US5974873 Drug reservoir volume measuring device
11/02/1999US5974863 Method and device for liquid leakage indication
10/1999
10/28/1999WO1999054166A1 Capacitive sensor assembly with soot build-up inhibiting coating
10/28/1999DE19837552C1 Fill level detector for operating oil, etc. in motor vehicle
10/28/1999DE19818768A1 Detecting liquid level in container especially closed can or tin
10/28/1999DE19816455A1 Level sensor for fuel tank
10/27/1999EP0952433A1 Fluid level sensing system for a blood reservoir
10/27/1999EP0952432A1 Method and device for detection of the contents of a container
10/27/1999EP0952348A2 Automatic sub-floor pumping system
10/27/1999EP0824670A4 Illuminated fluid level indicator
10/27/1999CN2345966Y Photoelectric lens type liquid level sensor
10/27/1999CN2345965Y Capacitive level meter
10/27/1999CN2345964Y Magnetic contact type level meter
10/27/1999CN2345963Y Thick medium level meter
10/27/1999CN2345962Y Liquid level interface measuring instrument with safety device for preventing strong leakage
10/27/1999CN2345961Y Magnetic turning column liquid level display
10/27/1999CN2345960Y Two-colour level meter with luminous body
10/27/1999CN2345848Y Water level discolour display screens for boiler
10/27/1999CN2345219Y Automatic alarm for liquid level of medical infusion bottle
10/27/1999CN1233341A Fluid level measuring instrument for a nuclear power plant
10/26/1999US5973770 Method for measuring the relative proximity of and interacting with a plurality of media/molecular structures
10/26/1999US5973637 Partial probe mapping
10/26/1999US5973415 Capacitance level sensor
10/26/1999US5971529 Automatic ink interconnect between print cartridge and carriage
10/26/1999US5970786 Method for measuring compressed natural gas
10/26/1999US5970554 Apparatus and method for controlling the use of carbon dioxide in dry cleaning clothes
10/24/1999CA2230293A1 Sump pump alarm
10/21/1999WO1999031469A3 Liquid level monitoring and control apparatus
10/21/1999DE19917312A1 Unit for determining position eg. liquid level has magnetostrictive wire led through measurement zone and at least one magnet movable through zone to trigger disturbances in wire
10/21/1999DE19817378A1 Filling level measuring system for monitoring filling level in container and material level is determined across reflection signals of electromagnetic radiation
10/20/1999EP0950879A1 Apparatus for sensing the level of contents in a container
10/20/1999EP0950878A1 Device for detecting a liquid level
10/20/1999EP0950272A1 Modular probe
10/20/1999CN2344759Y Magnetic liquid level gauge
10/20/1999CN2344758Y Tracking type level meter
10/20/1999CN1232542A Material interface level sensing
10/20/1999CA2266823A1 Automatic sub-floor pumping system
10/19/1999US5969666 Radar-based method of measuring the level of a material in a container
10/19/1999US5969621 Apparatus for establishing and/or monitoring a predetermined filling level in a container
10/19/1999US5969620 Water level alarm
10/19/1999US5967654 Core sand preparation apparatus
10/19/1999US5966983 Assembly for sensing and/or monitoring a predetermined level in a vessel
10/14/1999WO1999051948A1 Capacitive sensor for measuring a liquid level and reservoir equipped therewith
10/14/1999DE19823190A1 Level sensor with float for fuel tank
10/14/1999DE19814058A1 Arrangement for measuring and/or monitoring liquid level in a reservoir developed to ensure simple operation and accurate and reliable legibility
10/14/1999CA2292800A1 Capacitive sensor for measuring a liquid level and reservoir equipped therewith
10/14/1999CA2268687A1 Apparatus for sensing the level of contents in a container
10/13/1999EP0949489A1 Vibration type level detector
10/13/1999EP0949488A1 Device for detecting a liquid level
10/13/1999EP0949487A1 Floating switch capable of indicating the level of a high density liquid in a tank suitable to contain a low density liquid
10/13/1999EP0796421B1 Filtering device particularly for a fuel gauge of a motor vehicle
10/13/1999CN2343702Y Water leakage automatic turning-off protector
10/13/1999CN1231721A Fuzzy logic liquid level control
10/13/1999CN1045658C Detecting method having automatic self-testing function and ultrasonic detector thereof
10/12/1999US5966477 Fiber optic sensor enclosure system
10/12/1999US5966155 Inkjet printing system with off-axis ink supply having ink path which does not extend above print cartridge
10/12/1999US5965814 Electrical circuit controlling device
10/12/1999US5965447 Pretreating apparatus for analytic container and automatic filling system
10/12/1999US5964622 Molded article having electrical connection and method for molding same
10/07/1999WO1999050674A1 Biological sampling method
10/07/1999WO1999050624A1 Nuclear level sensing gauge using scintillating fiber bundle
10/07/1999WO1999050623A1 Fluid assembly and method for diagnostic instrument
10/07/1999WO1999030117A8 Capacitive measuring device and method for determining the level of a container
10/07/1999DE19814669A1 Fill level detection arrangement
10/07/1999CA2326216A1 Fluid assembly and method for diagnostic instrument
10/07/1999CA2324930A1 Biological sampling method