Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9518453 | Expandable liner hanger with anchoring feature | Chee Kong Yee, Robert O. Castillo | 2016-12-13 |
| 9458693 | Borehole abandonment method using retrievable inflatable bridge plug with separate seal and anchor components | Christopher R. Matthews-Ewald, John M. Sprott, Babajide Jagunna, Kent S. Meyer | 2016-10-04 |
| 6431274 | Well packer | Shawn E. Nowlin | 2002-08-13 |