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Publication numberUS2761663 A
Publication typeGrant
Publication dateSep 4, 1956
Filing dateSep 5, 1952
Priority dateSep 5, 1952
Publication numberUS 2761663 A, US 2761663A, US-A-2761663, US2761663 A, US2761663A
InventorsLouis F Gerdetz
Original AssigneeLouis F Gerdetz
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Process of underground gasification of coal
US 2761663 A
Abstract  available in
Images(2)
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Claims  available in
Description  (OCR text may contain errors)
Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US1913395 *Jun 18, 1930Jun 13, 1933Lewis C KarrickUnderground gasification of carbonaceous material-bearing substances
US2466945 *Feb 21, 1946Apr 12, 1949In Situ Gases IncGeneration of synthesis gas
US2497868 *Oct 10, 1946Feb 21, 1950David DalinUnderground exploitation of fuel deposits
GB614415A * Title not available
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Classifications
U.S. Classification299/2, 299/19, 299/6
International ClassificationE21B43/295
Cooperative ClassificationE21B43/295
European ClassificationE21B43/295