| 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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| 08/12/1999 | WO1999040368A1 Device for preventing scaling on a water level regulating system probe |
| 08/12/1999 | DE19806316A1 Flow velocity sensor for sewage channel |
| 08/11/1999 | EP0935127A2 Antenna device for level radar |
| 08/11/1999 | EP0935126A2 Liquid level gauge for use on vehicle |
| 08/11/1999 | CN2333001Y Built-in magnetic buoyanc level meter |
| 08/10/1999 | US5936382 Battery electrolyte level monitor |
| 08/05/1999 | WO1999014563A3 Lubricant level detection system for sealed mud motor bearing assembly |
| 08/05/1999 | DE19802213A1 Cylindrical shaped system for receiving ropes or cables e.g. for filling level gauge working on plumb bob principle |
| 08/05/1999 | DE19747726A1 Piezoelectric level measurement unit suitable for difficult and aggressive liquids |
| 08/04/1999 | EP0932502A1 Process and plant for preparing printing paste or the like, in particular for printing textile or carpet webs |
| 07/28/1999 | EP0932031A1 Fuel gauge unit for a fuel tank |
| 07/28/1999 | EP0931244A1 Capacitive liquid level indicator |
| 07/28/1999 | CN2330981Y Capacitance type oil tank liquid-level detecting device |
| 07/27/1999 | US5929763 Magnetostrictive waveguide apparatus |
| 07/27/1999 | US5929754 High-sensitivity capacitive oil deterioration and level sensor |
| 07/27/1999 | US5928729 Method of treating a substrate to promote shedding therefrom of oil |
| 07/27/1999 | US5927142 System and method for determining drain pan fluid level |
| 07/22/1999 | WO1999036750A1 Apparatus and method for detecting an interface |
| 07/21/1999 | EP0929802A1 Molten glass viscosity and/or level meter |
| 07/21/1999 | EP0760616B1 Apparatus for preparing a hot beverage |
| 07/21/1999 | CN2329958Y Float non-power supply fuel gauge |
| 07/21/1999 | CN2329957Y Scale water level-meter |
| 07/21/1999 | CN2329956Y Spring-type liquid level sensor |
| 07/21/1999 | CN2329955Y Testing and controlling instrument for interface of two non-resolving liquids |
| 07/20/1999 | US5926152 For focusing transmitted and reflected pulses |
| 07/20/1999 | US5926080 For use in a process sealed level gage |
| 07/20/1999 | US5924285 Master cylinder tank |
| 07/15/1999 | WO1999035471A1 Fluid overfill probe with anti-reflective guard |
| 07/15/1999 | DE19800306A1 Aerial unit for filling level measuring radar unit for radiating microwaves along main radiating direction in container |
| 07/15/1999 | DE19757924A1 Level sensor based on capacitance, especially for oils, etc. |
| 07/14/1999 | EP0928974A2 Partial probe mapping |
| 07/14/1999 | EP0928955A2 Sensor apparatus |
| 07/14/1999 | EP0928590A1 Coffee machine with a dose indicating system |
| 07/14/1999 | CN2329030Y Automatic controller for liquid level |
| 07/14/1999 | CN2328990Y Float type indirect detector for liquid-liquid phase interface |
| 07/14/1999 | CN2328289Y Household electronic water level gage |
| 07/13/1999 | US5923164 Apparatus and method for automatically tuning the gain of an amplifier |
| 07/13/1999 | US5923102 For controlling water level in a recess |
| 07/13/1999 | US5922941 Machine tool with a rotatable supported part |
| 07/13/1999 | US5922030 Method and system for controlling a solid product release mechanism |
| 07/13/1999 | US5921272 Floater device for checking the liquefied gas filling level of cylinders or the like |
| 07/13/1999 | US5921112 Transmitter housing for a water level transmitter in a washing machine |
| 07/08/1999 | WO1999022993A3 Non-contact ultrasonic micromeasurement system |
| 07/08/1999 | WO1999020982A9 System for measuring materials in a vessel |
| 07/07/1999 | EP0927877A2 A measuring device for a fuel gauge |
| 07/07/1999 | EP0927699A1 Fuel overflow prevention system during refuelling of a container |
| 07/07/1999 | EP0927339A1 Device for detection of when a test probe gets into contact with a liquid surface |
| 07/07/1999 | CN2328001Y Floating self balancer for level measurement |
| 07/07/1999 | CN2328000Y Intellectual multi-stage level indication controller |
| 07/07/1999 | CN2327999Y Level transducer |
| 07/07/1999 | CN2327998Y Protector for level meter |
| 07/07/1999 | CN1221875A Apparatus and method for determining quantity of fluid within tank |
| 07/06/1999 | US5920255 Ratiometric processing and driver circuit |
| 07/06/1999 | US5919706 Method for sucking/determining liquid and pipetting device driven and controlled according to method |
| 07/06/1999 | CA2188912C A method and apparatus for fixed target echo suppression in distance measurement on the principle of pulse transit time |
| 07/01/1999 | WO1999032858A1 Ultrasonic liquid gauging system |
| 07/01/1999 | WO1999032857A1 Liquid gauging using sensor fusion and data fusion |
| 07/01/1999 | WO1999032236A1 Piezoelectric transducer with a temperature-sensitive component |
| 07/01/1999 | DE19820482C1 Filling level measuring device for gas flask or pressure container |
| 07/01/1999 | DE19820208A1 Piezoelektrischer Schwinger A piezoelectric vibrator |
| 07/01/1999 | DE19757101A1 Filling level gauge |
| 06/30/1999 | EP0926475A2 Capacitive level sensor with integrated impurities film detection |
| 06/30/1999 | EP0926474A1 Probe |
| 06/30/1999 | EP0925596A1 Fluid level indicator sensor |
| 06/30/1999 | CN2326945Y Radiation source container for object position measuring |
| 06/29/1999 | US5918193 Clonable measurement display instrument |
| 06/29/1999 | CA2122824C Process and device for taking representative milk samples |
| 06/24/1999 | WO1999031477A1 Sensor for detecting leaks in a liquid hydrocarbon dispenser |
| 06/24/1999 | WO1999031469A2 Liquid level monitoring and control apparatus |
| 06/24/1999 | DE19756161A1 Sensor for detecting electrically insulating fluid or loose material |
| 06/23/1999 | EP0924792A1 Antenna device for a radar level gauge |
| 06/23/1999 | EP0924496A1 Oil level sensor |
| 06/23/1999 | EP0923712A1 Time delayed fluid level monitoring device |
| 06/17/1999 | WO1999030118A1 Method and device for checking and calibrating level gauges and switches |
| 06/17/1999 | WO1999030117A1 Capacitive measuring device and method for determining the level of a container |
| 06/17/1999 | WO1999030116A1 Liquid level indicating method and system |
| 06/17/1999 | WO1999030115A1 Level metering device for a fuel tank of a motor vehicle |
| 06/17/1999 | WO1999029453A1 Continuous casting apparatus using a molten metal level gauge |
| 06/17/1999 | DE19755378A1 Inductive filling level detection for cryogenic liquids working on super conducting basis |
| 06/17/1999 | DE19755056A1 Füllstandsmeßvorrichtung für einen Kraftstoffbehälter eines Kraftfahrzeugs Level measuring device for a fuel tank of a motor vehicle |
| 06/17/1999 | DE19755003A1 Filling level measuring unit for liquid levels |
| 06/17/1999 | DE19754521A1 Filling sensor |
| 06/16/1999 | EP0922942A1 Microwave level gauge with a dielectric insert and method for the manufacture of the dielectric |
| 06/16/1999 | EP0922202A1 Device for measuring hydraulic discharge volumes and leakages in a test piece |
| 06/16/1999 | CN2324536Y Gyroscope speed type flow senser |
| 06/16/1999 | CN2324535Y Magnetron contact type photoelectric liquid level gauge |
| 06/15/1999 | US5912617 Circuit for driving a signaling device |
| 06/15/1999 | US5911250 Filling adapter for a metering device |
| 06/10/1999 | WO1999028712A1 Liquid level detecting apparatus |
| 06/10/1999 | WO1999028149A1 High-sensitivity capacitive oil deterioration and level sensor |
| 06/09/1999 | EP0754292B1 Process for checking the tolerance of measured values |
| 06/09/1999 | CN2323363Y Magnetic float level indicator |
| 06/09/1999 | CN2323362Y Transformer conservator level monitor |
| 06/09/1999 | CN2323361Y Automatic water level indicator |
| 06/08/1999 | US5910189 Liquid level sensor |
| 06/08/1999 | US5910188 For insertion into a tank to indicate the level of a substance |
| 06/03/1999 | WO1999027344A1 Multi-sensor hydrostatic gauge for fuel storage tanks |
| 06/03/1999 | WO1999027329A1 Level sensor |
| 06/03/1999 | WO1999027328A1 Liquid level pressure sensor and method |
| 06/02/1999 | EP0919796A1 Differential pressure measurement arrangement utilizing dual transmitters |