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Lewis C. KARRICK

Low Temperature Carbonization of Coal ( LTC )

US Patents





USP # 1,832,219
Process & Apparatus for Superheating Steam
(Nov. 17, 1931)
PDF



USP # 1,901,170
Gasification of Carbonaceous Material

(14 March 1933) 

PDF


USP # 1,913,395
Underground Gasification of Carbonaceous Material Bearing Substances

(June 13, 1933)
PDF


USP # 1,919,636
System of Mining Oil Shales
(July 25, 1933)
PDF



USP # 1,923,213 
Process & Apparatus for Carbonizing Coal
(Aug. 22, 1933)
PDF


USP # 1,938,596
Retort
(Dec. 12, 1933)
PDF


USP # 1,942,650
Apparatus for Coking Bituminous Liquids & the Like

(Jan. 9, 1934)
PDF


USP # 1,950,558
Process for the Production of Gas, Oil, & Other Products
(March 13, 1934)
PDF


USP # 1,958,918
Process of Destructively Distilling Solid Carbonaceous Material
(May 15, 1934)
PDF



USP # 2,011,054
Process of Destructive Distillation of Carbonaceous Materia
l
(Aug. 13, 1935)
PDF


USP # 2,165,143
Coal Treating Process & Apparatus
(July 4, 1939)
 PDF


USP # 2,268,989
Process for Improving Fuel
(Jan. 6, 1942)
PDF


USP # 2,283,556
Valve
(May 19, 1942)
PDF




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