Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385396 | Tension indicator for a rock bolt | Osvaldo VALLATI, Mietek Rataj | 2025-08-12 |
| 12203372 | Visual indicator for correct torsion of a rock bolt | Mieczyslaw Rataj, Osvaldo VALLATI | 2025-01-21 |
| 11933175 | Rock bolt with information display region | Mieczyslaw Rataj, Bradley Darlington, Peter Young, Warren Roach | 2024-03-19 |
| 11428102 | Rock bolt with information display region | Mieczyslaw Rataj, Bradley Darlington, Peter Young, Warren Roach | 2022-08-30 |
| 9605538 | Cutting pick tool | Hannes Voitic, Joseph Fader, Alfred Lammer, Kenneth Monyak | 2017-03-28 |
| 8851802 | Rock bolt | John Horsch | 2014-10-07 |
| 8403600 | Drilling tool, a self-drilling rock bolt, a drill bit, an anchoring device for a self-drilling rock bolt, a shaft for a drilling tool and an end coupling for a drilling tool | Darren Webb, John Horsch, Matthew Kenny | 2013-03-26 |
| 8286736 | Drill bit, a drill rod and a self drilling roof bolt | Michael McLean | 2012-10-16 |
| 8061935 | Rock bolt and an anchoring device | Darren Webb, John Horsch, Matthew Kenny | 2011-11-22 |
| 7963616 | Rotary cutting pick | Matthew Kenny | 2011-06-21 |
| D637880 | Drill tip | Matthew Kenny | 2011-05-17 |
| 7896580 | Self drilling rock bolt | Darren Webb, John Horsch, Matthew Kenny | 2011-03-01 |
| 7837277 | Rotary cutting pick | — | 2010-11-23 |
| D624097 | Drill bit | Matthew Kenny | 2010-09-21 |
| 7717523 | Rotary cutting pick | — | 2010-05-18 |
| 7673785 | Method for manufacturing a cutting pick and the resulting pick | — | 2010-03-09 |
| 7648314 | Method for manufacturing a cutting pick and the resulting pick | — | 2010-01-19 |
| D589335 | Rock bolt | John Horsch | 2009-03-31 |
| 7172256 | Rotary cutting bit having spark suppression sleeve | Keith Sleep | 2007-02-06 |
| 6799388 | Surface working device and attachable protector | Michael McLean, Mark James Truebody | 2004-10-05 |
| 6309159 | Self drilling roof bolt | Michael McLean, Eric Johnson | 2001-10-30 |
| 6145603 | Extension drilling system | Michael McLean | 2000-11-14 |