Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338703 | Isolation sleeve | Thomas Henry Holtkamp | 2025-06-24 |
| 8528650 | Mandrel casing hanger and running tool system | Jerry D. Smith | 2013-09-10 |
| 8499842 | Dual barrier plug system for a wellhead | Khang V. Nguyen | 2013-08-06 |