Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6595292 | Method and apparatus for use with two or more hydraulic conduits deployed downhole | Daniel George Purkis, Michael A. Reid | 2003-07-22 |
| 5904207 | Packer | Richard P. Rubbo | 1999-05-18 |
| 5685369 | Metal seal well packer | Steven Ellis, Allan Sharp, Richard P. Rubbo | 1997-11-11 |