Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12070807 | One-piece cutting head for a drill bit | Juri SCHATZ, Alexander STANGL, Christoph Gastinger | 2024-08-27 |
| 9695640 | Drill head for a drill and drill | Rainer Eggers, Walter Hulm, Manfred Geier | 2017-07-04 |
| 9333635 | Chisels | Thomas J. Quinn, David N. Johnson | 2016-05-10 |
| 9085074 | Chisels | Thomas J. Quinn, David N. Johnson | 2015-07-21 |
| 8740515 | Metal cutting drill bit | Rickey J. Thomas, Thomas J. Quinn, Abhijeet P. Joshi, Alfons K. Wetzl, Albert Leidl +1 more | 2014-06-03 |
| 7861807 | Drill bit including one piece cutting head | Thomas J. Quinn, William R. Stumpf, Albert Leidl, Rudolf Jungwirth | 2011-01-04 |