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Class Information
Number: 137/7
Name: Fluid handling > Processes > With control of flow by a condition or characteristic of a fluid > Mixing of plural fluids of diverse characteristics or conditions > Controlled by pressure
Description: Processes in which the determined condition or characteristic is a pressure.










Patents under this class:
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Patent Number Title Of Patent Date Issued
5653250 Vapor-liquid equilibrium and interfacial tension measuring apparatus and method Aug. 5, 1997
5605173 Liquid distribution operable by solenoid valves Feb. 25, 1997
5540251 Precision gas blender Jul. 30, 1996
5538027 Pressure balancing foam valve Jul. 23, 1996
5537335 Fluid delivery apparatus and associated method Jul. 16, 1996
5482679 Device for determining the Wobbe index of a gas mixture Jan. 9, 1996
5427160 Method of filling a container Jun. 27, 1995
5372421 Method of inverting, mixing, and activating polymers Dec. 13, 1994
5370799 Elevated temperature-pressure flow simulator Dec. 6, 1994
5360579 Process for the absorption of pollutants Nov. 1, 1994
5329955 Apparatus and method for mixing gases Jul. 19, 1994
5157957 Process for producing standard gas mixture and apparatus for producing the same Oct. 27, 1992
5054309 Process for producing low-concentration gas mixtures, and apparatus for producing the same Oct. 8, 1991
4838945 Thermoplastic resin composition for cleaning Jun. 13, 1989
4827965 Nitrogen/carbon dioxide mixing valves May. 9, 1989
4790447 Modification to floating roof tank design Dec. 13, 1988
4765356 Method and apparatus for mixing fluids Aug. 23, 1988
4718462 Method and apparatus for forming gaseous mixtures Jan. 12, 1988
4715393 Fluid dispersing checkvalve Dec. 29, 1987
4687013 Flueric partial pressure sensor Aug. 18, 1987
4615352 Process and apparatus for supplying a mixture of CO.sub.2 and SO.sub.2 or a like mixture under pressure Oct. 7, 1986
4611641 Gas mixing device and method Sep. 16, 1986
4474547 Gas supply dosing device for explosive mixtures Oct. 2, 1984
4349358 Method of mixing a gas and a vaporizable liquid Sep. 14, 1982
4345610 Process and device for the mixing of gases Aug. 24, 1982
4328821 Method and apparatus for the chemical treatment of plants May. 11, 1982
4294274 Hydrogen injection into gas pipelines and other pressurized containers Oct. 13, 1981
4275752 Fluid flow apparatus and method Jun. 30, 1981
4262686 Apparatus for the electrically controlled proportioning and mixing of gases Apr. 21, 1981
4250908 Flow control device Feb. 17, 1981
4219038 Gas mixing device for breath-protecting, diving, medical and laboratory techniques Aug. 26, 1980
4212845 Analytical apparatus Jul. 15, 1980
4206753 Method and apparatus for mixing gases Jun. 10, 1980
4197868 Flow control system and control method for parallel flow process equipment Apr. 15, 1980
4135893 Mixing method and device Jan. 23, 1979
4111637 Control system for plurality of gas supplies Sep. 5, 1978
4046158 Apparatus for diluting gas Sep. 6, 1977
4022234 Method and apparatus for mixing two gases in a predetermined proportion May. 10, 1977
4019523 Method and apparatus for mixing gases Apr. 26, 1977
3990256 Method of transporting gas Nov. 9, 1976

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