|
| US4074758 | 3. Sept. 1974 | 21. Febr. 1978 | Oil Recovery Corporation | Extraction method and apparatus |
| US4084638 | 16. Okt. 1975 | 18. Apr. 1978 | Probe, Incorporated | Method of production stimulation and enhanced recovery of oil |
| US4135579 | 30. Sept. 1977 | 23. Jan. 1979 | Raytheon Company | In situ processing of organic ore bodies |
| US4140180 | 29. Aug. 1977 | 20. Febr. 1979 | IIT Research Institute | Method for in situ heat processing of hydrocarbonaceous formations |
| US4144935 | 29. Aug. 1977 | 20. März 1979 | IIT Research Institute | Apparatus and method for in situ heat processing of hydrocarbonaceous formations |
| US4376598 | 6. Apr. 1981 | 15. März 1983 | The United States of America as represented by the United States Department of Energy | In-situ vitrification of soil |
| US4457365 | 10. Aug. 1981 | 3. Juli 1984 | Raytheon Company | In situ radio frequency selective heating system |
| US4653697 | 3. Mai 1985 | 31. März 1987 | CEEE Corporation | Method and apparatus for fragmenting a substance by the discharge of pulsed electrical energy |
| US4667738 | 29. Apr. 1985 | 26. Mai 1987 | CEEE Corporation | Oil and gas production enhancement using electrical means |
| US4957393 | 14. Apr. 1988 | 18. Sept. 1990 | Battelle Memorial Institute | In situ heating to detoxify organic-contaminated soils |
| US5055180 | 9. Jan. 1991 | 8. Okt. 1991 | Electromagnetic Energy Corporation | Method and apparatus for recovering fractions from hydrocarbon materials, facilitating the removal and cleansing of hydrocarbon fluids, insulating storage vessels, and cleansing storage vessels and pipelines |
| US5316411 | 21. Dez. 1992 | 31. Mai 1994 | Battelle Memorial Institute | Apparatus for in situ heating and vitrification |
| US5664911 | 23. Juli 1996 | 9. Sept. 1997 | IIT Research Institute | Method and apparatus for in situ decontamination of a site contaminated with a volatile material |
| US6199634 | 27. Aug. 1998 | 13. März 2001 | | Method and apparatus for controlling the permeability of mineral bearing earth formations |
| USRE30738 | 6. Febr. 1980 | 8. Sept. 1981 | IIT Research Institute | Apparatus and method for in situ heat processing of hydrocarbonaceous formations |
| USRE31241 | 9. Jan. 1980 | 17. Mai 1983 | Electromagnetic Energy Corporation | Method and apparatus for controlling fluency of high viscosity hydrocarbon fluids |
