Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12366163 | Support for drilling and bolting tool | Peter Hanna, Callum Tyler | 2025-07-22 |
| 11668193 | Support for drilling and bolting tool | Peter Hanna, Callum Tyler | 2023-06-06 |
| 11203933 | Support for drilling and bolting tool | Peter Hanna, Callum Tyler | 2021-12-21 |
| 11078790 | Electric drilling and bolting device | Robert Holdsworth, Peter Hanna | 2021-08-03 |
| 10683753 | Support for drilling and bolting device | Peter Hanna, Callum Tyler | 2020-06-16 |
| 9482090 | Air flow system for mining machine | John Willison, Richard D. Boyd | 2016-11-01 |
| 9291052 | Air flow system for mining machine | John Willison, Richard D. Boyd | 2016-03-22 |
| 9096389 | Advancing longwall system for surface mining | Michael S. Adamczyk, Peter M. Dalton, Joseph J. Zimmerman | 2015-08-04 |
| 8770373 | Conveyor system for continuous surface mining | Michael S. Adamczyk, Joseph J. Zimmerman | 2014-07-08 |
| 8672415 | Advancing longwall system for surface mining | Michael S. Adamczyk, Peter M. Dalton, Joseph J. Zimmerman | 2014-03-18 |
| 8511756 | Continuous surface mining system | Ted Doheny, Michael S. Adamczyk, Jez Leeming, Joseph J. Zimmerman | 2013-08-20 |
| 6602026 | Extendible drill support frame for mining apparatus and roof bolting equipment | — | 2003-08-05 |
| 6497536 | Roof support arrangement for mining apparatus and roof bolting equipment | John R. Frederick | 2002-12-24 |
| 6386640 | Oil tank arrangement for mining apparatus and roof bolting equipment | — | 2002-05-14 |
| 6364148 | Storage pod for underground mining machine | John R. Frederick | 2002-04-02 |
| 6135674 | Roof bolt storage/transport apparatus | — | 2000-10-24 |
| 5795107 | Rod handling method | Michael Edmondson | 1998-08-18 |
| 5791822 | Rod handling apparatus and method | Michael Edmondson | 1998-08-11 |