Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10577889 | Constructed annular safety valve element package | Ewan Ogilvie Robb, Winston James Webber | 2020-03-03 |
| 10253605 | Constructed annular safety valve element package | Ewan Ogilvie Robb, Winston James Webber | 2019-04-09 |
| 10113370 | Fluid flow control device | Russell Irving Bayh, III, Donald G. Kyle | 2018-10-30 |
| 9995394 | Seal ring backup devices and methods for preventing extrusion | Richard S. Bradshaw | 2018-06-12 |
| 9540900 | Multi-layered temperature responsive pressure isolation device | David R. Sellers | 2017-01-10 |
| 8734141 | Stator/rotor assemblies having enhanced performance | John Kenneth Snyder, Victor Gawski, Winston James Webber | 2014-05-27 |
| 8283402 | Downhole seal element formed from a nanocomposite material | Thomas W. Ray | 2012-10-09 |
| 7696275 | Downhole seal element formed from a nanocomposite material | Thomas W. Ray | 2010-04-13 |