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Class Information
Number: 299/6
Name: Mining or in situ disintegration of hard material > In situ conversion of solid to fluid > Melted material recovered
Description: Subject matter in which the material that is commercially desirable is converted to a fluid for recovery.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7311468 |
Process for the disposal of sulfur |
Dec. 25, 2007 |
| 7077198 |
In situ recovery from a hydrocarbon containing formation using barriers |
Jul. 18, 2006 |
| 7032660 |
In situ thermal processing and inhibiting migration of fluids into or out of an in situ oil shale formation |
Apr. 25, 2006 |
| 6932121 |
Method for offloading and storage of liquefied compressed natural gas |
Aug. 23, 2005 |
| 6672798 |
Sulfur storage system |
Jan. 6, 2004 |
| 6582025 |
Sulfur storage method |
Jun. 24, 2003 |
| 6152356 |
Hydraulic mining of tar sand bitumen with aggregate material |
Nov. 28, 2000 |
| 5135286 |
Residue recovery process and apparatus |
Aug. 4, 1992 |
| 4869555 |
Apparatus for recovery of sulfur |
Sep. 26, 1989 |
| 4776638 |
Method and apparatus for conversion of coal in situ |
Oct. 11, 1988 |
| 4670634 |
In situ decontamination of spills and landfills by radio frequency heating |
Jun. 2, 1987 |
| 4597609 |
Method of melting sulphur |
Jul. 1, 1986 |
| 4590348 |
System for heating materials with electromagnetic waves |
May. 20, 1986 |
| 4579391 |
Method of electric smelting to matte in situ |
Apr. 1, 1986 |
| 4497635 |
Sulfur remelting |
Feb. 5, 1985 |
| 4413859 |
Mining of sulphur with foam barrier |
Nov. 8, 1983 |
| 4249775 |
Mining of sulphur |
Feb. 10, 1981 |
| 4241953 |
Sulfur mine bleedwater reuse system |
Dec. 30, 1980 |
| 4218309 |
Removal of sulfur from shale oil |
Aug. 19, 1980 |
| 4203625 |
Apparatus for sulfur melting by lateral displacement of heating element |
May. 20, 1980 |
| 4196329 |
Situ processing of organic ore bodies |
Apr. 1, 1980 |
| 4171200 |
Process and apparatus for in situ melting of sulphur from solid sulphur storage block |
Oct. 16, 1979 |
| 4157847 |
Method and apparatus for utilizing accumulated underground water in the mining of subterranean sulphur |
Jun. 12, 1979 |
| 4156545 |
Process for heating and chemically treating an aqueous process fluid |
May. 29, 1979 |
| 4124253 |
Sulfur well sealing method |
Nov. 7, 1978 |
| 4123107 |
Integrated sulfur mining - sulfuric acid production system |
Oct. 31, 1978 |
| 4059156 |
Geothermal brine production |
Nov. 22, 1977 |
| 4050740 |
Method of and apparatus for melting block sulphur |
Sep. 27, 1977 |
| 3988036 |
Electric induction heating of underground ore deposits |
Oct. 26, 1976 |
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