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)
10/2003
10/22/2003EP0882214B1 Sealed observation element for sulfur recovery unit
10/22/2003EP0792441B1 Self-calibrating open-channel flowmeter
10/22/2003CN2581954Y Spiral steel tape liquid level meter
10/22/2003CN2581953Y Detector for mould liquid level
10/22/2003CN2581950Y Intelligent apparatus for measuring and displaying water information, and metering used water quantity
10/22/2003CN2580975Y Intravenous drip low liquid level alarm
10/22/2003CN1449923A Liquid containe having liquid detecting device therein
10/22/2003CN1125328C Automatic detection system for chop state of liquid in container
10/22/2003CN1125317C Self-calibrating capacitor-type liquid level gauge
10/21/2003US6634279 Airline coffee brewer
10/21/2003US6634234 Adjustable measurement head and a level measurement device and method employing it
10/21/2003US6634229 Resistive fluid level sensing and control system
10/21/2003US6634228 Method of measuring level in a vessel
10/21/2003CA2326904C Measuring stick and thermometer
10/21/2003CA2309073C A liquid container having a liquid consumption detecting device therein
10/16/2003WO2003085365A1 Level measurement device having electronics and antenna in one housing
10/16/2003WO2003085364A1 Device for detecting a defined filling level of a medium in a container
10/16/2003WO2003064978A3 Method and device for the direct digitization of microwave signals
10/16/2003WO2002052888A3 Device for the emission of high frequency signals
10/16/2003US20030193843 Method for high resolution measurement of a position
10/16/2003US20030193666 Device for measuring surface defects
10/16/2003US20030193660 Measuring module
10/16/2003US20030192599 Fuel pump apparatus
10/16/2003US20030192380 Device for determining the level of a medium in a container
10/16/2003US20030192379 Water well monitoring system
10/16/2003DE20311332U1 Bath filling gauge has float switch operated alarm and thermometer with sucker fixing and marine toy decoration
10/16/2003DE10206277C1 Programmgesteuerte Geschirrspülmaschine mit einer Überlaufsicherung Program-controlled dishwasher with an overflow protection
10/15/2003EP1353154A2 Battery powered water level measurement
10/15/2003EP1352465A1 Chip quartz oscillator and liquid-phase sensor
10/15/2003EP1352221A1 Method and device for transmitting and receiving electromagnetic waves with a frequency less than 3 ghz via a singal antenna unit
10/15/2003EP1352220A1 Filling level measuring device with a coupling device
10/15/2003EP1352219A2 Stick for measuring the level of a molten metal bath
10/15/2003EP0706641B1 Material level probe having crimp seal
10/15/2003CN2580494Y Intelligent liquid level/hydraulic detecting and controlling instrument
10/15/2003CN2580419Y Multifunction level meter for oil tank
10/15/2003CN2580418Y Liquid level indicator instrument
10/15/2003CN2580417Y Soft supersonic sensor
10/15/2003CN2580416Y Digital intelligent bin level indicator
10/15/2003CN2580415Y Liquid level alarm
10/15/2003CN2580414Y Fuel level display alarm for railway generator car
10/15/2003CN1448653A 液位指示器 Level indicator
10/14/2003US6633625 Density profiler for measuring density profile of a medium and method and apparatus using same
10/14/2003US6631639 System and method of non-invasive discreet, continuous and multi-point level liquid sensing using flexural waves
10/09/2003WO2003083415A1 A multiphase level sensor
10/09/2003US20030189433 Method for detecting quantity variation of high purity liquid chemicals and devices to carry out the method
10/09/2003US20030188576 Engine oil auto-add system
10/09/2003DE20309489U1 Potty for children has capacitive proximity sensor to actuate warning light when filled using oscillator circuit
10/08/2003EP1350628A2 Remaining-liquid-amount display apparatus and remaining-liquid-amount display method
10/08/2003CN2578801Y Testing probe for water level and temperature indicator of solar water heater
10/08/2003CN2578800Y Primary meter of photoelectric intellectual level meter
10/08/2003CN2578106Y Piezoelectric device and ink case therewith
10/08/2003CN1447909A Device for determining level of filler material in container
10/08/2003CN1447908A Catalyt feeding system
10/08/2003CN1446512A Water level gauge structure in stainless steel electronics pot
10/07/2003US6631097 Sonic water level measuring method and system there for
10/07/2003US6629627 Level control systems for high purity chemical delivery systems
10/07/2003US6629458 Device in a level gauging system
10/07/2003US6629457 Device for measuring a fill level of a liquid in a container
10/02/2003WO2003081185A1 LIQUID NITROGEN LEVEL SENSOR-MONITOR DEVICE USING HIGH Tc SUPERCONDUCTORS AND METHOD OF MANUFACTURE THEREOF
10/02/2003WO2003081183A1 Arrangement for the operation of field devices
10/02/2003WO2003080500A1 Method and system for refuelling
10/02/2003US20030187543 Bulk material sensor with integral control devices
10/02/2003US20030185101 Method and apparatus for spread spectrum distance measurement and for spread spectrum velocity profile measurement
10/02/2003US20030184444 Event notification system and wet well monitor
10/02/2003US20030184318 Capacitive probe for measuring the level of an electricity-conducting liquid in a vessel and method of manufacturing such a probe
10/02/2003US20030184077 Road and rail tankers
10/02/2003US20030184065 Rear view mirror monitor
10/02/2003US20030183151 Fill level indicator for agricultural material bin
10/02/2003US20030183002 Fluid level indicator and container
10/02/2003US20030183001 Liquid level sensor
10/02/2003US20030182950 Non-intrusive refrigerant charge indicator
10/02/2003DE20308928U1 Assembly to measure height levels of layered liquids, in container, has ultrasonic converter with piezoelectric component to transmit/receive pulses for echo evaluation
10/02/2003DE10163635C1 Container level threshold value detection method incorporating self-adjustment of measuring electrode signal evaluation
10/01/2003EP1348938A2 Level measurement device for liquid container
10/01/2003EP1348363A1 Gauges for liquid containing appliances
10/01/2003EP1348108A1 Method and device for measuring levels
10/01/2003EP1347797A1 Medical respiratory apparatus
10/01/2003EP0981730B1 Liquid level sensor for use in a hot, pressurized liquid
10/01/2003EP0755519B1 Automated continuous and random access analytical system and components thereof
10/01/2003CN2577261Y Underground water-level measuring instrument
10/01/2003CN2577260Y Portable wireless remote-sensing tank-car liquid-level alarm
10/01/2003CN2577259Y Magnetic-coupling coupling
10/01/2003CN1122825C Infrared water level sensor for boiler
10/01/2003CN1122824C Self-calibrating apacitor-type liquid level gauge
09/2003
09/30/2003US6628395 Device and method for preliminary testing a neat serum sample in a primary collection tube
09/30/2003US6628229 Stabilization of oscillators in a radar level transmitter
09/30/2003US6628123 Method for controlling a transducer device in level sensors and device for carrying out such a method
09/30/2003US6626038 Time domain reflectometry measurement instrument
09/25/2003WO2003078936A1 Horn antenna
09/25/2003WO2003058174A3 Free-flow fluid measurement meter
09/25/2003US20030179148 Horn antenna
09/25/2003US20030177828 Luminescent gauge
09/25/2003US20030177827 Angular position sensor
09/25/2003US20030177826 Liquid nitrogen level sensor-monitor device using high Tc superconductors and method of manufacture thereof
09/24/2003EP1347272A2 Method for remote sensing of changes in physical values
09/24/2003EP1346194A1 Method of measuring the filling degree of filling in a debarking drum
09/24/2003EP0697108B1 A method for simultaneously measuring the positions of more than one surface in metallurgic processes
09/24/2003CN2575623Y Candy stick shape thermometer protective cover for child
09/24/2003CN2575622Y Automatic resetting meter for mercury column of thermometer
09/24/2003CN2575621Y Portable milliwatt class cultrasound power sonic measuring window