Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162619 | Drill rod or adaptor with strengthened spigot coupling | David E. Wickstrom, Andreas Norman | 2021-11-02 |
| 10087686 | Shank adaptor with strengthened flushing hole | Anna NORDSTRAND, Rasmus Hemph | 2018-10-02 |
| 9593541 | Drill string component | Johan Linden | 2017-03-14 |