Lewis C.Karrick: US Patents ~ Low Temperature Carbonization
of Coal
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)
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)
USP # 1,958,918 Process of Destructively Distilling Solid Carbonaceous Material (May 15, 1934)
USP # 2,011,054 Process of Destructive Distillation of Carbonaceous Materia
l (Aug. 13, 1935)
USP # 2,165,143 Coal Treating Process & Apparatus (July 4, 1939)
USP # 2,268,989 Process for Improving Fuel (Jan. 6, 1942)
USP # 2,283,556 Valve (May 19, 1942)
Source notes & attribution
- rexresearch
- https://rexresearch.com/karrick2/kltcusp.htm