Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143338 | Composite to metal end fitting joint | James Heard, Liem V. Truong, Marvin Josephson, Hans Neubert | 2021-10-12 |
| 11009156 | Composite drill pipe | James Heard, Liem V. Truong, Marvin Josephson | 2021-05-18 |
| 10612703 | Composite drill pipe and method for forming same | James Heard, Liem V. Truong, Marvin Josephson | 2020-04-07 |
| 10378684 | Composite tube to metal joint apparatus | James Heard, Liem V. Truong, Marvin Josephson | 2019-08-13 |
| 10053327 | Rotating fairlead device | James C. Santos, Derek J. Leslie | 2018-08-21 |
| 9810353 | Method of making a composite tube to metal joint | James Heard, Liem V. Truong, Marvin Josephson | 2017-11-07 |
| 9689514 | Composite pipe to metal joint | James Heard, Liem V. Truong, Marvin Josephson | 2017-06-27 |
| 8696034 | Composite drill pipe and method for forming same | James Heard, Liem V. Truong, Marvin Josephson | 2014-04-15 |
| 8287005 | Composite drill pipe and method for forming same | James Heard, Liem V. Truong, Marvin Josephson | 2012-10-16 |
| 7458617 | Composite drill pipe | James Heard, Liem V. Truong, Marvin Josephson, Hans Neubert | 2008-12-02 |