| 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) |
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| 03/07/2000 | US6033064 Inkjet printer with off-axis ink supply |
| 03/07/2000 | US6032529 Liquid level sensor for buffered hydrofluoric acid |
| 03/03/2000 | CA2279257A1 An ultrasonic flow velocity measuring method |
| 03/02/2000 | WO2000011705A2 Continuous, non-metallic, media sensors for corrosive environments |
| 03/02/2000 | WO2000011494A1 Measuring the thickness of materials |
| 03/02/2000 | WO2000011438A1 Device for storing a gaseous medium in a storage container |
| 03/02/2000 | WO2000011437A1 Device for measuring the volume of liquid in a container |
| 03/02/2000 | DE19939039A1 Fuel quantity detector for automobile fuel tank, uses variation in relative spacing between two opposing walls of fuel tank storage chamber in dependence on stored quantity of fuel |
| 03/02/2000 | DE19839037A1 Drehwiderstand Rotational resistance |
| 03/02/2000 | CA2339831A1 Device for measuring the volume of liquid in a container |
| 03/01/2000 | EP0981730A1 Liquid level sensor for use in a hot, pressurized liquid |
| 03/01/2000 | CN2366835Y Refracting device for two color water level meter |
| 03/01/2000 | CN2366834Y AC pulsation type device for displaying and controlling liquid level |
| 03/01/2000 | CN2366833Y Device for indicating level of injecting water tank |
| 03/01/2000 | CN2366832Y Double corrugated tube type differential pressure type flow meter |
| 03/01/2000 | CA2281173A1 Device for separation and measurement of volume of different phases of a fluid mixture |
| 02/29/2000 | US6029717 High aspect ratio containers for ultrahigh purity chemicals |
| 02/29/2000 | US6029514 Device for measuring the volume of liquid in a container |
| 02/29/2000 | US6029509 Dipstick device with intergral wiping system |
| 02/24/2000 | WO2000009767A1 Tapered probe for mold level control |
| 02/24/2000 | DE19836961A1 Spraying distribution measuring device of fuel injection nozzle of IC engine |
| 02/24/2000 | DE19836597A1 Behälter mit Füllstandsanzeige Container with level indicator |
| 02/23/2000 | CN2365651Y Multi-function measuring ruler for liquid level |
| 02/23/2000 | CN2365650Y Oil-water level measuring apparatus |
| 02/23/2000 | CN2365649Y Non-scale clear double-colour display liquid level gauge |
| 02/23/2000 | CN2365648Y Full closed swing pointer type engine oil indicator |
| 02/23/2000 | CN2365647Y Magnetic speed stabilizing device |
| 02/22/2000 | US6028521 Liquid level sensor |
| 02/22/2000 | US6026991 Apparatus, system, and method for additizing a liquid product |
| 02/22/2000 | US6026683 Liquid level/volume measuring system using strain-gauge load cell and method of measuring liquid level/volume |
| 02/22/2000 | CA2066859C Ratchet gauge for liquid level measuring |
| 02/17/2000 | WO1999067103A3 Process and device for determining the residual amount of fuel in a motor vehicle fuel system |
| 02/17/2000 | DE19934876A1 Fuel gauging system for a fuel tank in an aircraft has a piezoelectric transformer located in a probe supply path |
| 02/17/2000 | DE19850291C1 Capacitive measuring probe for continuous monitoring of container filling level; has integrated thermoelement positioned next to capacitive measuring electrode |
| 02/17/2000 | DE19833966A1 Verfahren, Vorrichtung und Satz mit zwei Vorrichtungen zum Bestimmen einer Intensität eines Radarsignals Method, device and set with two devices for determining an intensity of a radar signal |
| 02/16/2000 | EP0979998A2 Dynamic noninvasive detection of analytical container features using ultrasound |
| 02/16/2000 | EP0979989A1 Container with filling level indication |
| 02/16/2000 | EP0979696A1 Continuous casting apparatus using a molten metal level gauge |
| 02/16/2000 | EP0979110A1 Weight measurement of blood volume in soft-shell venous reservoirs |
| 02/16/2000 | CN2364440Y 动态浮子 Dynamic float |
| 02/16/2000 | CN1244653A Heiht sensning mechanism for digestion tank in traffic means |
| 02/16/2000 | CN1244637A Fuel detector of speed changer |
| 02/15/2000 | US6024428 Recording apparatus having a device for detecting the presence or absence of a liquid |
| 02/15/2000 | US6023971 Angle sensor and monitoring circuit |
| 02/15/2000 | US6023970 Disposable electromagnetic fluid sensor |
| 02/15/2000 | CA2137835C Fill-level indicator |
| 02/10/2000 | DE19902276A1 Optical fluid level detection system for ink jet printer |
| 02/10/2000 | DE19835370A1 Method of functional monitoring of vibration level switches; involves oscillating oscillator at current tuning fork frequency and frequencies of redundant band filters |
| 02/10/2000 | DE19833697A1 Kraftstofftank mit Füllstands-Meßeinrichtung Fuel tank with level gauge |
| 02/09/2000 | EP0977975A1 Settling process analysis device and method |
| 02/09/2000 | CN2363274Y Mutual insoluble mixed liquid interface testing sensor |
| 02/09/2000 | CN2363273Y Water level and temp. sensor for solar energy water-heater |
| 02/09/2000 | CN2363272Y Pneumatic type liquid material level meter |
| 02/09/2000 | CN1243946A Method and device for detecting level of liquid container |
| 02/08/2000 | US6021669 Container of coolant |
| 02/08/2000 | US6021668 Indicator system |
| 02/03/2000 | WO2000005554A1 Fluid measuring gauge |
| 02/03/2000 | DE19834349A1 Filling level indicating gauge for cryogenic liquids; has superconducting screening elements immersed in liquid and probe with ferromagnetic core, superconducting screening element and induction coil |
| 02/03/2000 | DE19834165A1 Kraftstoffvorratsanzeige für einen Kraftstoffbehälter eines Kraftfahrzeuges Fuel gauge for a fuel tank of a motor vehicle |
| 02/03/2000 | DE19828133A1 Glass flange unit for the simultaneous illumination and viewing of processes, e.g. in vessels, comprises viewing glass flange holder and a half moon shaped lamp |
| 02/02/2000 | EP0977020A1 Method, apparatus and set of two devices to determine the intensity of a radar signal |
| 02/02/2000 | EP0977019A1 Fuel stock indicator for a fuel container of a motor vehicle |
| 02/02/2000 | EP0976601A2 Fuel tank with level measurement device |
| 02/02/2000 | EP0975952A1 Monitoring dust deposition |
| 02/02/2000 | CN2362108Y Resistance level sensor |
| 02/02/2000 | CN2362107Y Buoyancy-type level measuring instrument |
| 02/02/2000 | CN1243243A Linear frequency-modulation continuous wave radar feed location instrument and measuring method thereof |
| 02/02/2000 | CN1243095A Fuel-oil supply apparatus |
| 02/01/2000 | US6019007 Sensor apparatus for process measurement |
| 01/27/2000 | DE19833464A1 Device to detect full state in liquid reservoir of car windshield cleaning installation has sensor element forming constructive unit with lid provided for closing opening located in top side of reservoir. |
| 01/27/2000 | CA2278888A1 Fuel tank with filling level measurement |
| 01/26/2000 | EP0974818A1 Heating oil level sensor with communication system for measurement data |
| 01/26/2000 | EP0974041A1 Apparatus for capacitive electrical detection |
| 01/26/2000 | CN2360841Y Liquid volume checking device |
| 01/26/2000 | CN2360840Y Thick level meter |
| 01/26/2000 | CN1242478A Oil level sight glass for compressor |
| 01/25/2000 | US6016697 Capacitive level sensor and control system |
| 01/25/2000 | CA2171801C A level measurement method and apparatus using measurements of water column pressure therefor |
| 01/20/2000 | DE19833766A1 Optical fluid level sensor for fluid in container |
| 01/20/2000 | DE19832369A1 Ink volume measuring method for ink jet printer with replaceable ink cartridge by measuring capacitance of two electrically conductive layers on ink bag |
| 01/19/2000 | EP0973018A2 Liquid level monitor |
| 01/19/2000 | EP0973017A1 Oil level sight glass for a compressor |
| 01/19/2000 | EP0972482A1 Serving container |
| 01/19/2000 | EP0972174A1 Optical height of fill detection system and associated methods |
| 01/19/2000 | EP0232272B1 Liquid level monitoring assemblies |
| 01/19/2000 | CN2359672Y Rocking-bar floating-ball type water level sensor |
| 01/19/2000 | CN2359671Y Transducer for coal bunker level |
| 01/18/2000 | CA2159113C Method and arrangement for determining and/or monitoring a predetermined level of material in a container |
| 01/14/2000 | CA2275093A1 Dynamic noninvasive detection of analytical container features using ultrasound |
| 01/13/2000 | WO2000002055A1 Method and apparatus for monitoring an aspirating and dispensing system |
| 01/13/2000 | WO2000002021A1 Level-measuring device for a fuel tank of a motor vehicle |
| 01/13/2000 | WO2000002015A2 Liquid level gauge |
| 01/13/2000 | DE19831254A1 Servierbehälter Serving container |
| 01/13/2000 | DE19830442A1 Acoustic volume determination device e.g. for level monitoring or pressure measuring |
| 01/13/2000 | CA2336096A1 Liquid level gauge |
| 01/12/2000 | EP0971213A2 Microwave content level measurement apparatus with improved signal quality |
| 01/12/2000 | CN1240931A Water level gauge with photoelectric markers |
| 01/11/2000 | US6014100 Two-wire RADAR sensor with intermittently operating circuitry components |
| 01/11/2000 | US6014076 Apparatus and method for achieving intrinsic safety using conventional sensors |
| 01/11/2000 | US6012795 Ink amount detecting device and recording apparatus provided with such a device |