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Class Information
Number: 44/903
Name: Fuel and related compositions > Method including measuring, testing or automatic control
Description: Collection of patents drawn to the manufacturing process of a fuel composition which process includes a step which is automatically controlled, or a step of measuring or testing a quality or quantity of a component, the resulting composition or a process variable.

Patents under this class:

Patent Number Title Of Patent Date Issued
8592213 Marking fuel for authentication using quantitative and binary markers Nov. 26, 2013
8586365 Methods for analyzing and optimizing biofuel compositions Nov. 19, 2013
8579998 Pre-burning, dry process methodology and systems for enhancing metallurgical solid fuel properties Nov. 12, 2013
8147570 Systems and methods for producing fuel compositions Apr. 3, 2012
7901473 Pre-burning, dry process methodology and systems for enhancing solid fuel properties Mar. 8, 2011
7585337 Methods and systems for producing fuel compositions Sep. 8, 2009
7540887 Methods and systems for producing fuel compositions Jun. 2, 2009
7364599 Methods for increased removal of drag reducer additives from liquid hydrocarbon fuel Apr. 29, 2008
7018434 Removal of drag reducer additive from fuel by treatment with selected activated carbons and graphites Mar. 28, 2006
6942707 Valorization of by-products in the ecological coal transformation Sep. 13, 2005
6607569 Method of estimating reaction product in coal liquefying reaction Aug. 19, 2003
6599337 Selection of materials to test for and/or remove drag reducer additive in liquid hydrocarbon fuels Jul. 29, 2003
6413361 Heavy oil emulsified fuel evaporator system and operation method thereof Jul. 2, 2002
6155101 Method and device for preparing a fuel, particularly for diesel engines, by on-line mixture of its components Dec. 5, 2000
6068672 Fuel additive delivery system May. 30, 2000
5759857 Leak detection using chemical markers Jun. 2, 1998
5162235 Method for assessing distillate fuel stability by oxygen overpressure Nov. 10, 1992
4539010 Coal preparation Sep. 3, 1985
4521218 Process for producing a coal-water mixture Jun. 4, 1985
4477259 Grinding mixture and process for preparing a slurry therefrom Oct. 16, 1984
4477260 Process for preparing a carbonaceous slurry Oct. 16, 1984
4401437 Apparatus for manufacturing and stabilizing coal-oil-water fuel mixture Aug. 30, 1983
4372751 Coal-oil mixture apparatus Feb. 8, 1983
4311488 Process for the upgrading of coal Jan. 19, 1982
4290777 Regeneration of ferric ions in coal desulfurization process Sep. 22, 1981
4052167 Heating unit and fertilizer preparation Oct. 4, 1977
4049390 Method for extrusion of coal containing body Sep. 20, 1977
4049392 Method for extrusion of coal containing body Sep. 20, 1977
4043764 Process for manufacturing combustible bricks from plant materials Aug. 23, 1977
3999959 Motor fuel blending control system Dec. 28, 1976
3982052 Method of treating wet coal granules Sep. 21, 1976
3950144 Coal processing system Apr. 13, 1976

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