Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6279652 | Heat insulation compositions and methods | Jiten Chatterji, Roger S. Cromwell | 2001-08-28 |
| 6231664 | Well sealing compositions and methods | Jiten Chatterji, Roger S. Cromwell, Bobby J. King | 2001-05-15 |
| 6098711 | Compositions and methods for sealing pipe in well bores | Jiten Chatterji, Roger S. Cromwell, Bobby J. King | 2000-08-08 |
| 6069117 | Foamed resin compositions for sealing subterranean zones | Jiten Chatterji, Roger S. Cromwell | 2000-05-30 |
| 6068055 | Well sealing compositions and methods | Jiten Chatterji, Roger S. Cromwell, Bobby J. King | 2000-05-30 |
| 6059036 | Methods and compositions for sealing subterranean zones | Jiten Chatterji, Lewis R. Norman, Bobby J. King, Roger S. Cromwell | 2000-05-09 |
| 6059035 | Subterranean zone sealing methods and compositions | Jiten Chatterji, Bobby J. King, Roger S. Cromwell | 2000-05-09 |
| 6055874 | Apparatus and method for simulating well bore conditions | Dennis W. Gray, Russell M. Fitzgerald, Johnny W. Johnson | 2000-05-02 |
| 6012524 | Remedial well bore sealing methods and compositions | Jiten Chatterji, Roger S. Cromwell | 2000-01-11 |
| 6006836 | Methods of sealing plugs in well bores | Jiten Chatterji, Patty L. Onan, Roger S. Cromwell, Bobby J. King | 1999-12-28 |
| 6006835 | Methods for sealing subterranean zones using foamed resin | Jiten Chatterji, Roger S. Cromwell | 1999-12-28 |
| 5969006 | Remedial well bore sealing methods | Jiten Chatterji, Bobby J. King, Roger S. Cromwell, Patty L. Onan | 1999-10-19 |
| 5968879 | Polymeric well completion and remedial compositions and methods | Jiten Chatterji, Roger S. Cromwell | 1999-10-19 |
| 5957204 | Method of sealing conduits in lateral well bores | Jiten Chatterji, Roger S. Cromwell, Bobby J. King | 1999-09-28 |
| 5945387 | Polymeric well completion and remedial compositions and methods | Jiten Chatterji, Roger S. Cromwell | 1999-08-31 |
| 5911282 | Well drilling fluids containing epoxy sealants and methods | Jiten Chatterji, Bobby J. King, Roger S. Cromwell, Patty L. Onan | 1999-06-15 |
| 5897699 | Foamed well cement compositions, additives and methods | Jiten Chatterji, Roger S. Cromwell, Bobby J. King | 1999-04-27 |
| 5875846 | Methods of modifying subterranean strata properties | Jiten Chatterji, Patty L. Onan, Roger S. Cromwell, Bobby J. King | 1999-03-02 |
| 5875845 | Methods and compositions for sealing pipe strings in well bores | Jiten Chatterji, Roger S. Cromwell | 1999-03-02 |
| 5875844 | Methods of sealing pipe strings in well bores | Jiten Chatterji, Roger S. Cromwell, Bobby J. King, Patty L. Onan | 1999-03-02 |
| 5873413 | Methods of modifying subterranean strata properties | Jiten Chatterji, Roger S. Cromwell, Bobby J. King, Patty L. Onan | 1999-02-23 |
| 5869750 | Method, system and device for testing two-phase compressible compositions having gas under pressure | Billy Bennett, John Brumley, Norman A. Sayers | 1999-02-09 |
| 5820670 | Resilient well cement compositions and methods | Jiten Chatterji, Bobby J. King, Patty L. Onan | 1998-10-13 |
| 5795924 | Resilient well cement compositions and methods | Jiten Chatterji, Bobby J. King, Patty L. Totten | 1998-08-18 |
| 5791380 | Methods of forming insulated pipeline bundles | Ronald J. Crook | 1998-08-11 |