rexresearch.com
Lewis C. KARRICK
Low Temperature Carbonization of Coal ( LTC )
US Patents
Read the review article: "Oil
From Coal --- Free! The Karrick LTC Process"
Low Temperature Carbonization of Coal ( LTC )
US Patents
Read the review article: "Oil
From Coal --- Free! The Karrick LTC Process"
USP # 1,832,219 (Nov. 17, 1931) (PDF) ~ Process & Apparatus for Superheating Steam
USP # 1,901,170 (14 March 1933) (PDF Format) ~ Gasification of Carbonaceous Material
USP # 1,913,395 (June 13, 1933) (PDF Format) ~ Underground Gasification of Carbonaceous Material Bearing Substances
(PDF Files)
USP # 1,919,636 (July 25, 1933) (PDF Format) ~ System of Mining Oil Shales
(PDF Files)
USP # 1,923,213 (Aug. 22, 1933) (PDF Format) ~ Process & Apparatus for Carbonizing Coal
USP # 1,938,596 (Dec. 12, 1933) (PDF Format) ~ Retort
USP # 1,942,650 (Jan. 9, 1934) (PDF) ~ Apparatus for Coking Bituminous Liquids & the Like
USP # 1,950,558 (March 13, 1934) (PDF) ~ Process for the Production of Gas, Oil, & Other Products
USP # 1,958,918 (May 15, 1934) (PDF) ~ Process of Destructively Distilling Solid Carbonaceous Material
USP # 2,011,054 (Aug. 13, 1935) (PDF
) ~ Process of Destructive Distillation of Carbonaceous Material
USP # 2,165,143 (July 4, 1939) (PDF) ~ Coal Treating Process & Apparatus
USP # 2,268,989 (Jan. 6, 1942) (PDF) ~ Process for Improving Fuel
USP # 2,283,556 (May 19, 1942) (PDF) ~ Valve
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