| Patent | Date |
|---|
Initiating production of methane from wet coal beds
Grant 4,544,037 - Terry October 1, 1 | 1985-10-01 |
Movable oxidizer injection point for production of coal in situ
Grant 4,484,629 - Terry November 27, 1 | 1984-11-27 |
Minimizing subsidence effects during production of coal in situ
Grant 4,463,807 - Stoddard , et al. August 7, 1 | 1984-08-07 |
Minimizing subsidence effects during production of coal in situ
Grant 4,448,252 - Stoddard , et al. May 15, 1 | 1984-05-15 |
Generating electricity from coal in situ
Grant 4,250,230 - Terry February 10, 1 | 1981-02-10 |
Wet oxidation engine
Grant 4,191,012 - Stoddard , et al. March 4, 1 | 1980-03-04 |
Underground linkage of wells for production of coal in situ
Grant 4,185,692 - Terry January 29, 1 | 1980-01-29 |
Stripping sulphur compounds from stack and other discharge gases and the commercial products derived therefrom
Grant 4,178,357 - Stoddard , et al. * December 11, 1 | 1979-12-11 |
Method of preparing a wet coal seam for production in situ
Grant 4,135,578 - Terry January 23, 1 | 1979-01-23 |
Minimizing environmental effects in production and use of coal
Grant 4,114,688 - Terry September 19, 1 | 1978-09-19 |
Sealing an underground coal deposit for in situ production
Grant 4,102,397 - Terry July 25, 1 | 1978-07-25 |
Methods of fluidized production of coal in situ
Grant 4,093,025 - Terry June 6, 1 | 1978-06-06 |
Sealing an underground coal deposit for in situ production
Grant 4,093,310 - Terry June 6, 1 | 1978-06-06 |
Methods of fluidized production of coal in situ
Grant 4,089,372 - Terry * May 16, 1 | 1978-05-16 |
Producing methane from coal in situ
Grant 4,089,374 - Terry May 16, 1 | 1978-05-16 |
Methods of fluidized production of coal in situ
Grant 4,069,868 - Terry * January 24, 1 | 1978-01-24 |
Heating Frasch sulphur mine water using waste heat
Grant 4,051,889 - Stoddard , et al. October 4, 1 | 1977-10-04 |
Method of recovering energy from subsurface petroleum reservoirs
Grant 4,031,956 - Terry June 28, 1 | 1977-06-28 |
Recovery of petroleum from tar and heavy oil sands
Grant 4,019,578 - Terry , et al. April 26, 1 | 1977-04-26 |
Producing thin seams of coal in situ
Grant 4,010,800 - Terry March 8, 1 | 1977-03-08 |
Method of and apparatus for in situ gasification of coal and the capture of resultant generated heat
Grant 3,987,852 - Terry October 26, 1 | 1976-10-26 |
Method and apparatus for in situ gasification of coal and the commercial products derived therefrom
Grant 3,952,802 - Terry April 27, 1 | 1976-04-27 |
Method of in situ gasification, cooling and liquefaction of a subsurface coal formation
Grant 3,948,320 - Terry April 6, 1 | 1976-04-06 |
Method of pyrolysis of coal in situ
Grant 3,924,680 - Terry December 9, 1 | 1975-12-09 |
Method of extracting immobile hydrocarbons
Grant 3,881,551 - Terry , et al. May 6, 1 | 1975-05-06 |
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