Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6110359 | Method for extracting bitumen from tar sands | R. Michael Davis | 2000-08-29 |
| 5885424 | Method and apparatus for breaking hydrocarbon emulsions | R. Michael Davis, Harold W. Hadley | 1999-03-23 |
| 5824214 | Method for hydrotreating and upgrading heavy crude oil during production | R. Michael Davis | 1998-10-20 |
| 5690811 | Method for extracting oil from oil-contaminated soil | Robert M. Davis | 1997-11-25 |
| 5458860 | Method for removing alkaline sulfate scale | Richard L. Morris | 1995-10-17 |
| 5415696 | Method for removing alkaline sulfate scale in downhole tubulars | — | 1995-05-16 |
| 5366016 | Use of variable density carrier fluids to improve the efficiency of scale dissolution | Eleanor Fieler, Alfred R. Jennings, Jr. | 1994-11-22 |
| 5282995 | Composition for removing an alkaline earth metal sulfate scale | Richard L. Morris | 1994-02-01 |
| 5259980 | Compositions for dissolution of sulfate scales | Richard L. Morris | 1993-11-09 |
| 5234602 | Method for regenerating scale solvent | Richard L. Morris | 1993-08-10 |
| 5200117 | Sulfate scale dissolution | Richard L. Morris | 1993-04-06 |
| 5190656 | Method for removing scale via a liquid membrane in combination with an amino carboxylic acid and a catalyst | Richard L. Morris | 1993-03-02 |
| 5183112 | Method for scale removal in a wellbore | Richard L. Morris | 1993-02-02 |
| 5151196 | Method for regenerating scale solvent | Richard L. Morris | 1992-09-29 |
| 5146988 | Method for scale removal in a wellbore | — | 1992-09-15 |
| 5111887 | Method for reducing radioactivity of oilfield tubular goods contaminated with radioactive scale | Richard L. Morris | 1992-05-12 |
| 5093020 | Method for removing an alkaline earth metal sulfate scale | Richard L. Morris | 1992-03-03 |
| 5087371 | Method for regenerating scale solvent | Richard L. Morris | 1992-02-11 |
| 5085709 | Method for treating natural gas equipment | Richard L. Morris | 1992-02-04 |
| 5084105 | Sulfate scale dissolution | Richard L. Morris | 1992-01-28 |
| 5049297 | Sulfate scale dissolution | Richard L. Morris | 1991-09-17 |
| 5032280 | Liquid membrane catalytic scale dissolution method | Richard L. Morris | 1991-07-16 |
| 5026481 | Liquid membrane catalytic scale dissolution method | Richard L. Morris | 1991-06-25 |
| 4980077 | Method for removing alkaline sulfate scale | Richard L. Morris | 1990-12-25 |
| 4973201 | Method for removing scale and radioactive material from earth | Peggy M. Wilson | 1990-11-27 |