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Class Information
Number: 73/200
Name: Measuring and testing > Volume or rate of flow > Combined > With gas and liquid separator
Description: Meters combined with liquid and gas separating means whereby gases entrained in a liquid to be metered may be separated therefrom before the liquid enters the meter.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8087293 Oil-gas-water multi-phase flow adjusting apparatus and oil-gas-water multi-phase flow rate measuring apparatus and measuring method Jan. 3, 2012
7962576 Quantity conversion interface for external program calls Jun. 14, 2011
7712360 Air separator for ophthalmic surgical system May. 11, 2010
7681444 Method and apparatus for measuring the density of one component in a multi-component flow Mar. 23, 2010
7661302 Multi-phase flow measurement system having a fluid separator Feb. 16, 2010
7591191 Multiphase flow meter for high gas volume fraction systems Sep. 22, 2009
7520166 Method for detecting hydrocarbons in geological strata Apr. 21, 2009
7389687 System for measuring a parameter of an aerated multi-phase mixture flowing in a pipe Jun. 24, 2008
7377160 Sensor arrangement for a tachometer on an automatic transmission of a motor vehicle May. 27, 2008
7272973 Methods and systems for determining reservoir properties of subterranean formations Sep. 25, 2007
RE39724 Respiratory humidification system Jul. 17, 2007
7185538 Methods and systems for sensing air vehicle airspeed Mar. 6, 2007
7159456 Level indicator for liquid hydrogen tank Jan. 9, 2007
7134329 Torque detecting apparatus Nov. 14, 2006
7059182 Active impact protection system Jun. 13, 2006
6984260 Device for diverting fluid from a pipeline Jan. 10, 2006
6338276 Multiphase flow metering method and device Jan. 15, 2002
6305216 Method and apparatus for predicting the fluid characteristics in a well hole Oct. 23, 2001
6250131 Apparatus and method for controlling and measuring steam quality Jun. 26, 2001
6234030 Multiphase metering method for multiphase flow May. 22, 2001
5922969 Method and apparatus for measuring the volume of flowing liquids Jul. 13, 1999
5841020 Apparatus and method for mixing, measuring and forwarding a multi-phase gas mixture Nov. 24, 1998
5730181 Mass flow controller with vertical purifier Mar. 24, 1998
5679905 Fluid flow measurement Oct. 21, 1997
5665910 Liquid chemical applicator measuring device Sep. 9, 1997
5535632 Systems and methods for measuring flow rates and densities of the components of oil, water and gas mixtures Jul. 16, 1996
5526684 Method and apparatus for measuring multiphase flows Jun. 18, 1996
5390547 Multiphase flow separation and measurement system Feb. 21, 1995
5301536 Apparatus for obtaining on-line gas samples for the measurement of crude oil content Apr. 12, 1994
5212990 Method and apparatus for determining flow rates of well fluid constituents May. 25, 1993
5203211 Multi-phase flow measurement Apr. 20, 1993
5127272 Multiphase flow rate monitoring means and method Jul. 7, 1992
5083459 Flow meter Jan. 28, 1992
5048348 Fluid flow volumetric determination apparatus and method Sep. 17, 1991
5036710 Multi-phase flowmeter Aug. 6, 1991
5007293 Two-phase flow meter Apr. 16, 1991
4951700 Equipment for measuring the yield of oil wells Aug. 28, 1990
4949577 Metering assembly for tank truck/trailer Aug. 21, 1990
4945343 System and method for detection of malfunctioning steam traps Jul. 31, 1990
4928524 Method and apparatus for measuring flow rate of a gas containing condensable components and mists May. 29, 1990
4888978 Instrument to measure leakage of steam from a steam trap Dec. 26, 1989
4881412 Flow meters Nov. 21, 1989
4860591 Gas-liquid separation and flow measurement apparatus Aug. 29, 1989
4831875 Water trap valve for fail safe operation of an air inleakage monitoring system in a steam turbine May. 23, 1989
4817439 Process and apparatus for measuring two phase flow Apr. 4, 1989
4764024 Steam trap monitor Aug. 16, 1988
4760742 Multi-phase petroleum stream monitoring system and method Aug. 2, 1988
4739647 Apparatus and method for continuously monitoring non-condensable gases in a flow of mixed gases Apr. 26, 1988
4688418 Method and apparatus for determining mass flow rate and quality in a steam line Aug. 25, 1987
4617827 Flowmeter system Oct. 21, 1986

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