Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9784057 | Mechanical bi-directional isolation valve | Michael R. Reaves, Don Channing Gramlich | 2017-10-10 |
| 7546881 | Apparatus for radially expanding and plastically deforming a tubular member | Lev Ring, David Paul Brisco, Kevin Waddell, Robert Lance Cook, Brock Watson +3 more | 2009-06-16 |
| 6772844 | High pressure sealing apparatus and method | James A. Simson, George J. Melenyzer | 2004-08-10 |