Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9057235 | Monitoring and control systems for continuous circulating drilling operations | Charles Brecher, John D. Macpherson, Volker Krueger | 2015-06-16 |
| 8379207 | Method and apparatus for estimating a fluid property | Rocco DiFoggio | 2013-02-19 |