| 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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| 01/11/2000 | US6012606 Apparatus for detecting low liquid level in bottom-draining container |
| 01/11/2000 | US6012411 Propane tank cover |
| 01/05/2000 | EP0969272A1 Radio controlled storage and container |
| 01/05/2000 | DE19829180A1 Füllstandsmeßvorrichtung für einen Kraftstoffbehälter eines Kraftfahrzeugs Level measuring device for a fuel tank of a motor vehicle |
| 01/05/2000 | DE19817722A1 Circuit layout for automatic adjustment of measuring range in admittance level sensors |
| 01/05/2000 | DE19752368C1 Method of magnetic-inductive flow measurement in sewage systems, especially in partially filled pipes, channels, etc. |
| 01/04/2000 | US6012020 Apparatus and method for monitoring the condition of septic tanks |
| 01/04/2000 | US6011490 Measuring apparatus |
| 01/04/2000 | US6011400 Bushing for an electrical high-frequency signal and a measuring instrument containing same |
| 12/30/1999 | DE19920870A1 Washing machine has washing solution container suspended with help of springs |
| 12/30/1999 | DE19914726A1 Road inclination sensor arrangement for motor vehicles |
| 12/30/1999 | DE19845116C1 Level measurement method for monitoring industrial processes |
| 12/29/1999 | WO1999067604A1 Monitoring liquid level in a container with a capacitive transducer |
| 12/29/1999 | WO1999067603A1 Apparatus and method for detecting the level of a liquid |
| 12/29/1999 | WO1999067103A2 Process and device for determining the residual amount of fuel in a motor vehicle fuel system |
| 12/29/1999 | EP0966656A1 Fluid overfill probe with anti-reflective guard |
| 12/29/1999 | EP0966655A1 Level metering device for a fuel tank of a motor vehicle |
| 12/29/1999 | CN2356328Y Straight tube floating ball water level sensor |
| 12/29/1999 | CA2335531A1 Apparatus and method for detecting the level of a liquid |
| 12/28/1999 | US6009361 Method for the recognition of oil top-up quantities |
| 12/28/1999 | US6009217 Optical fiber sensor for distinguishing between the presence of liquid and vapor phases of a substance |
| 12/28/1999 | US6008728 Water level alarm system |
| 12/28/1999 | US6006951 Chemical measuring tank |
| 12/28/1999 | US6006605 Level maintaining apparatus for a liquid |
| 12/28/1999 | US6006604 Probe placement using genetic algorithm analysis |
| 12/28/1999 | US6006596 Method of determining bad travel distances during travelling of motor vehicle |
| 12/23/1999 | WO1999066295A1 Wireless fuel gauge |
| 12/23/1999 | WO1999065818A1 Drink dispenser, concentrate detector, and concentrate container |
| 12/23/1999 | DE19916980A1 Automatic control of particle grading in, recirculation to, seeding and height of fluidized bed |
| 12/22/1999 | EP0965056A1 Condensate free ultrasonic transmitter |
| 12/22/1999 | EP0766813B1 Condensation vessel for steam pressure measurements, use of this condensation vessel for level and steam flow rate measurements, and process for operating a condensation vessel |
| 12/22/1999 | CN2355310Y Water level wireless monitoring and transmitting device |
| 12/22/1999 | CN2355309Y Rotary swinging instrument for measuring level of granular of powder materials |
| 12/22/1999 | CN2355308Y Fixer for level valve for bypass level indicator |
| 12/22/1999 | CN2354579Y Signaller for infusion |
| 12/22/1999 | CN1239221A Level-sensing device for coal powder in coal powder bunker |
| 12/21/1999 | US6005483 Electronic pump switching system |
| 12/21/1999 | US6003410 System and method for determining the amount of refrigerant in a vapor compression system |
| 12/21/1999 | US6003366 Liquid level indicating method and system |
| 12/16/1999 | DE19826487A1 Filling level measuring system for measuring level position of liquid in container according to hydrostatic principle with pipeline immersed in liquid which by means of pump |
| 12/16/1999 | DE19825501A1 Liquid level indicator based on oscillating forks |
| 12/16/1999 | DE19603093C2 Stabförmige Elektrode mit einer Korrosionsschutzschicht und Verfahren zur Herstellung derselben Rod-shaped electrode with a corrosion protective layer and method of making same |
| 12/15/1999 | EP0964229A1 A fuel-level indicator for a vehicle tank |
| 12/15/1999 | CN2354115Y Air-inflated float |
| 12/15/1999 | CN2354114Y Supersonic flowmeter for open canal |
| 12/14/1999 | US6002328 Tank display system and method for determining the remaining volume in a tank |
| 12/14/1999 | US6000359 Storage vessel overfill alarm |
| 12/09/1999 | WO1999063215A1 Method and device for calculating cruising range |
| 12/08/1999 | EP0962751A2 Resistive liquid level sensing and control system |
| 12/08/1999 | EP0882214A4 Sealed observation element for sulfur recovery unit |
| 12/08/1999 | CN2352933Y Device for measuring and controlling liquid level of torpedo hot metal mixer car |
| 12/08/1999 | CN2352932Y Electrode holder for liquid level gauge |
| 12/08/1999 | CN2352931Y Reliable, small blind area and felf-closing type device for indicating liquid level |
| 12/08/1999 | CN2352930Y Two color liquid level gauge |
| 12/07/1999 | US5999101 Liquid level alarm system |
| 12/07/1999 | US5998992 Length measuring apparatus employing magnetostrictive delay line |
| 12/07/1999 | US5998991 Pickupless magnetostrictive position measurement apparatus |
| 12/07/1999 | US5997121 Sensing system for detecting presence of an ink container and level of ink therein |
| 12/07/1999 | US5996796 Packaged photocurable composition |
| 12/07/1999 | US5996407 Multi-frequency ultrasonic liquid level gauging system |
| 12/07/1999 | US5996406 Advanced signal process for a material storage measuring device |
| 12/02/1999 | DE19842484A1 Contents gauge for storage vessel, e.g. containing exhaust emission treatment solution used in heavy goods vehicle |
| 12/02/1999 | DE19824267A1 Useful echo and clutter determination method for distance sensor, e.g. level detector |
| 12/01/1999 | EP0961106A1 Device for measuring the filling-level of a container |
| 12/01/1999 | EP0960471A1 Microwave pulse generator and pulse-echo ranging system |
| 12/01/1999 | EP0960325A1 Sensor for detecting leaks in a liquid hydrocarbon dispenser |
| 12/01/1999 | CN2351749Y Device for testing molten tin bath liquid level |
| 12/01/1999 | CN2351748Y Whole-sealing universal weight fuel consumption metering device for diesel oil and gasoline |
| 11/30/1999 | US5994907 Apparatus for capacitive measurements |
| 11/30/1999 | US5992251 Sensor apparatus for process measurement |
| 11/30/1999 | US5992231 Apparatus for measuring the quality of a fluid in a vessel |
| 11/30/1999 | US5992037 Oil level indicator for an engine with an integral spring for establishment of a calibration position |
| 11/25/1999 | WO1999060540A1 Leak detection device for fluid vessel apparatus |
| 11/25/1999 | WO1999060539A1 Fault condition protective device for aircraft fuel gauging systems |
| 11/24/1999 | CN2350740Y Band tracer magnetic float level meter |
| 11/24/1999 | CN2350739Y Electronic liquid level gauge |
| 11/24/1999 | CN2350738Y Quartz glass pipe double-color level meter |
| 11/24/1999 | CN2350737Y Optical fibre liquid level alarm device |
| 11/23/1999 | US5990807 Dynamic and non-contact measurement of displacement or of permittivity by use of a capacitive sensor |
| 11/23/1999 | US5988701 By-pass tube member for a by-pass level indicator |
| 11/23/1999 | US5987994 Ultrasonic method for material monitoring |
| 11/23/1999 | CA2232909C Dipstick wiping device |
| 11/18/1999 | WO1999058911A1 Photoelectric ice bin control system |
| 11/18/1999 | DE19820419A1 Ultraschallwandler Ultrasonic transducer |
| 11/18/1999 | CA2331133A1 Photoelectric ice bin control system |
| 11/17/1999 | CN2349558Y Transparent liquid tank level and height gauge |
| 11/17/1999 | CN2349557Y Ultrasonic wave liquid level gauge |
| 11/17/1999 | CN2349556Y Water level gauge |
| 11/16/1999 | US5986554 Empty product detector |
| 11/16/1999 | US5986449 Self-contained liquid level detection apparatus with substantially constant cross-section outer tube |
| 11/16/1999 | US5984715 End capsule for a cable probe |
| 11/16/1999 | US5983716 Method and measuring device for measuring hydrostatic pressure, in particular that of ground water |
| 11/16/1999 | CA2137978C Liquid sensing circuit |
| 11/11/1999 | WO1999057527A1 Method and instrument for level measurements |
| 11/11/1999 | WO1999057526A2 Ultrasonic transducer |
| 11/11/1999 | WO1999057525A1 A method for measuring the relative proximity of and interacting with a plurality of media/molecular structures |
| 11/11/1999 | WO1999057524A1 Device for scraping clean an oil dipstick |
| 11/11/1999 | WO1999057495A1 System and method for determining the amount of refrigerant in a vapor compression system |
| 11/11/1999 | DE19830653C1 Determination of fluid level in horizontal centrifugal decanter |
| 11/11/1999 | DE19820839A1 Liquid container filling level measuring device e.g. for fuel tank at refueling station |