Issued Patents All Time
Showing 25 most recent of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10370815 | Method of forming subterranean barriers with molten wax | — | 2019-08-06 |
| 9732561 | Method and apparatus for increasing well productivity | — | 2017-08-15 |
| 9133596 | Method for construction of subterranean barriers cross reference to related patent applications | — | 2015-09-15 |
| 8905679 | Method of forming subterranean barriers with molten wax | — | 2014-12-09 |
| 8739874 | Methods for heating with slots in hydrocarbon formations | Ernesto Rafael Fonseca Ocampos, John Michael Karanikas, Duncan Charles MacDonald | 2014-06-03 |
| 8387688 | Method of forming subterranean barriers with molten wax | — | 2013-03-05 |
| 7703513 | Wax barrier for use with in situ processes for treating formations | Harold J. Vinegar, Jaime Santos Son, Taixu Bai, Mohamad Fereydoon Khoda Verdian | 2010-04-27 |
| 7114880 | Process for the excavation of buried waste | — | 2006-10-03 |
| 6860936 | Grout compositions for construction of subterranean barriers | — | 2005-03-01 |
| 6569235 | Grout compositions for construction of subterranean barriers | — | 2003-05-27 |
| 6280521 | Grout compositions for construction of subterranean barriers | — | 2001-08-28 |
| 5957624 | Apparatus and method for in Situ installation of underground containment barriers under contaminated lands | Frank L. Sanford, R. Kent Saugier | 1999-09-28 |
| 5905184 | In situ construction of containment vault under a radioactive or hazardous waste site | — | 1999-05-18 |
| 5890840 | In situ construction of containment vault under a radioactive or hazardous waste site | — | 1999-04-06 |
| 5879110 | Methods for encapsulating buried waste in situ with molten wax | — | 1999-03-09 |
| 5765965 | Apparatus for in situ installation of underground containment barriers under contaminated lands | Frank L. Sanford, R. Kent Saugier | 1998-06-16 |
| 5542782 | Method and apparatus for in situ installation of underground containment barriers under contaminated lands | Roberto E. Frulla, Paul J. Pettit, Frank L. Sanford, R. Kent Saugier | 1996-08-06 |
| 4718495 | Surface packer and method for using the same | Eric P. Lubitz, David D. Szarka, Robert L. Jessup | 1988-01-12 |
| 4502537 | Annular sample chamber, full bore, APR.RTM. sampler | — | 1985-03-05 |
| 4474380 | Inflatable packer assembly with control valve | — | 1984-10-02 |
| 4468967 | Acoustic plug release indicator | — | 1984-09-04 |
| 4424861 | Inflatable anchor element and packer employing same | Eugene E. Baker | 1984-01-10 |
| 4423754 | Cup type pipeline inflation anchor | — | 1984-01-03 |
| 4413653 | Inflation anchor | — | 1983-11-08 |
| 4372562 | Inflatable packer with liquid resin anchored reinforcing sheath | — | 1983-02-08 |