| Patents for G01F 25 - Testing or calibrating of apparatus for measuring volume, volume flow, or liquid level, or for metering by volume (5,338) |
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| 02/11/1998 | CN1172948A Dry checking method for ultrasonic flowmeter and its device |
| 02/11/1998 | CN1172947A Flow meter and method of calibrating same |
| 02/10/1998 | US5717383 Device for determining and/or monitoring a predetermined level of contents in a container |
| 01/20/1998 | US5710370 Method for calibrating a differential pressure fluid flow measuring system |
| 01/14/1998 | EP0711404B1 Reagent system for calibration of pipettes and other volumetric measuring devices |
| 01/14/1998 | CN2272570Y Automatic test and record instrument for data and fault |
| 01/08/1998 | DE19626865A1 System for measuring fluid velocity using sound pulse transit times |
| 01/07/1998 | EP0816284A1 Device for checking the quantity of gasolines, diesel fuels, fuels or liquids in general, during their introduction in tanks or containers in general |
| 01/06/1998 | US5705733 Apparatus for monitoring liquid levels and methods for calibrating same |
| 12/30/1997 | US5703569 Retrofit hydraulic fluid leak detection system |
| 12/23/1997 | US5700950 Prover adapter for a fluid metering device |
| 12/13/1997 | CA2207463A1 Prover adapter for a fluid metering device |
| 12/11/1997 | WO1997046851A2 Method for calibrating a flow measuring system |
| 12/09/1997 | US5695092 In a treatment system |
| 12/03/1997 | EP0555493B1 Electromagnetic flow meter for water in not-full state |
| 11/19/1997 | EP0807804A2 Method for calibrating a differential pressure fluid flow measuring system |
| 11/18/1997 | US5689265 Device for measuring a level of material using microwaves |
| 11/12/1997 | EP0806718A1 Apparatus for calibrating a flow control device |
| 11/12/1997 | EP0805958A1 Flow sensor |
| 11/04/1997 | US5684250 Self-calibrating open-channel flowmeter |
| 11/04/1997 | US5684246 Method and apparatus for improved flow rate measurement and calibration |
| 11/04/1997 | US5684245 For containing a gas whose mass is to be measured |
| 10/30/1997 | WO1997040351A1 Method for detecting water meter malfunction, calculating the duration thereof, and device for implementing same |
| 10/23/1997 | DE19615838A1 Production automation method especially water meters |
| 10/15/1997 | EP0614519B1 Device for determining and/or monitoring a predetermined level of contents of a container |
| 09/18/1997 | DE19627269C1 Fluid volume standardisation unit measuring e.g. diesel or petrol delivery |
| 09/17/1997 | EP0795740A1 Self testing optical liquid level sensor |
| 09/17/1997 | EP0795515A1 Method and apparatus for monitoring and/or calibration of piston flowmeters in petrol stations |
| 09/17/1997 | CN1159571A Electromagnetic flow measurer and method for amendment of flow |
| 09/13/1997 | CA2199927A1 Self testing optical liquid level sensor |
| 09/11/1997 | DE19608880A1 Display device for installation unit of closed fluid container esp. vehicle fuel tank |
| 09/09/1997 | US5665910 Liquid chemical applicator measuring device |
| 09/09/1997 | US5665895 Apparatus and method for calibrating a storage tank |
| 09/03/1997 | EP0792441A2 Self-calibrating open-channel flowmeter |
| 08/21/1997 | DE19605652A1 Ultrasound flowmeter calibration method |
| 08/12/1997 | US5656784 Fluid density variation compensation for fluid flow volume measurement |
| 08/12/1997 | US5655516 Delivery of aerosol medications for inspiration |
| 07/31/1997 | DE19602655A1 Monitoring filling level control unit for bottles for drinks production line e.g. water, beer |
| 07/30/1997 | EP0786648A1 Flow meter and method of calibrating same |
| 07/29/1997 | US5652393 Method for collecting pressure data from a fuel tank |
| 07/29/1997 | US5652392 Apparatus for collecting pressure data from a fuel tank |
| 07/15/1997 | US5648605 Flowmeter calibration method |
| 07/09/1997 | EP0783098A1 Device for measuring the effective differential pressure of a gas stream |
| 07/01/1997 | US5644299 Ultrasonic material level measurement |
| 06/10/1997 | US5636548 Analog hall-effect liquid level detector and method |
| 06/04/1997 | CN2255610Y Sound-speed corrector for supersonic measuring of oil-tank level |
| 06/03/1997 | US5635621 Apparatus for calibrating a fuel level detector |
| 05/29/1997 | WO1997019329A1 System for measuring a gas mass flow |
| 05/28/1997 | DE19544071A1 Fill quantity measuring method in standard container, esp. waste container |
| 05/22/1997 | WO1997008515A3 Self-calibrating open-channel flowmeter |
| 05/07/1997 | EP0771407A1 On-site calibration device and method for nonlinearity correction for flow sensor/transmitter |
| 05/07/1997 | DE19541167A1 System for calibrating measurement of material flow on agricultural working machine |
| 05/06/1997 | US5627304 Liquid level measuring arrangement |
| 05/06/1997 | US5626052 Method for collecting liquid level data |
| 05/02/1997 | EP0770859A1 Calibration method for filling level measurement |
| 05/02/1997 | EP0626063B1 Microwave-operated level gauge |
| 04/29/1997 | US5625343 Device for determining and/or monitoring a predetermined filling level |
| 04/29/1997 | US5625155 Method of measuring a flow rate of a fluid flowing through conduit means |
| 04/16/1997 | EP0657021B1 Flow meter |
| 04/15/1997 | US5621393 Fill-level test and measuring device |
| 04/09/1997 | CN2251715Y Hydraulic flowmeter on-line checking device |
| 04/01/1997 | US5616867 Methods and apparatus for determining a minimum acceptable volume of fluid flow through a conduit |
| 03/25/1997 | US5613778 Method for collecting liquid temperature data from a fuel tank |
| 03/25/1997 | US5613398 Smart fuel tank module |
| 03/18/1997 | US5611623 Apparatus for collecting liquid temperature data from a fuel tank |
| 03/18/1997 | US5611239 Adapted to detect level /change of products in a storage vessel |
| 03/06/1997 | WO1997008515A2 Self-calibrating open-channel flowmeter |
| 03/05/1997 | EP0760466A2 Electromagnetic flow rate measuring apparatus and method for compensating the measured flow rate |
| 03/04/1997 | US5608647 Method for releasing controlled amount of aerosol medication |
| 02/25/1997 | US5606514 Cyclic signal processing |
| 02/25/1997 | US5606109 Liquid volume measuring apparatus |
| 02/18/1997 | US5604684 Embedded programmable sensor calibration method |
| 01/23/1997 | DE19526838A1 Test system for testing and/or calibrating tank measuring unit of fuel tank |
| 01/22/1997 | EP0754292A1 Process for checking the tolerance of measured values |
| 01/16/1997 | WO1997001745A1 System for determining whether or not a dosing system reservoir is empty |
| 01/14/1997 | US5594667 Method and apparatus for baseline drift correction for a sensor |
| 01/14/1997 | US5594666 Mass flow control system |
| 01/02/1997 | EP0557529B1 Electromagnetic flowmeter for water conveyance in semifull state |
| 01/02/1997 | DE19523780A1 Leer-Erkennung eines Vorratsbehälters bei Dosiersystemen Empty recognition of a reservoir for dispensing |
| 12/17/1996 | US5586085 Container and adaptor for use with fluid volume sensor |
| 12/17/1996 | US5586045 Method of calibrating a high resolution flowmeter and measuring volume flow |
| 12/10/1996 | US5583790 Computerized liquid flow-valve monitoring and control unit |
| 12/05/1996 | WO1996038717A1 An apparatus and method for calibrating manifolded tanks |
| 12/05/1996 | CA2222435A1 An apparatus and method for calibrating manifolded tanks |
| 12/04/1996 | EP0745213A1 System and method for monitoring a fluid flow in a dialysis machine |
| 11/28/1996 | WO1996037758A1 Method and devices used in flow measurement |
| 11/13/1996 | EP0741895A1 Hydraulic fluid lead detection system and method |
| 11/12/1996 | US5574229 Electronic water meter with corrections for flow rate |
| 10/22/1996 | US5568449 Methods and apparatus for use in ultrasonic ranging |
| 10/22/1996 | CA2043684C Liquid level sensing device |
| 10/15/1996 | US5564305 Apparatus and method for controlling the rate of flow of a liquid |
| 09/25/1996 | EP0733232A1 Fluid dosing arrangement and beverage dispensing system provided with such a dosing arrangement |
| 09/24/1996 | US5559279 Method and apparatus for dynamic calibration of a flow monitor |
| 09/18/1996 | EP0572621B1 Device for measuring the amount of liquid in the gasoline pumps of motor vehicle service stations |
| 09/17/1996 | US5557041 Modified water meter arrangements |
| 09/11/1996 | EP0731342A2 Method for monitoring fluid level in a container |
| 09/11/1996 | CN2235114Y Checking device for vortex street flow sensor |
| 09/10/1996 | US5553493 High resolution flowmeter with wear detection |
| 09/10/1996 | US5553479 Threshold level calibration method and apparatus |
| 09/05/1996 | DE19528915C1 Cylindrical liquid storage tank filling level/filling vol. characteristic determination method |