| 12385395 |
Cutter head for mining machine |
Russell P. Smith, Andrew D. Hunter, Ian B. Schirmer, Geoffrey W. Keech, Christopher Coates +1 more |
2025-08-12 |
| 11846190 |
Rock cutting device |
Geoffrey W. Keech |
2023-12-19 |
| 11725512 |
Method for removing material from a rock wall |
Russell P. Smith, Andrew D. Hunter, Ian B. Schirmer, Geoffrey W. Keech, Christopher Coates +1 more |
2023-08-15 |
| 11598208 |
Machine supporting rock cutting device |
Geoffrey W. Keech, Stuart Reeves, Nagy Daher |
2023-03-07 |
| 11371346 |
Cutter head for mining machine |
Russell P. Smith, Andrew D. Hunter, Ian B. Schirmer, Geoffrey W. Keech, Christopher Coates +1 more |
2022-06-28 |
| 11203930 |
Machine supporting rock cutting device |
Geoffrey W. Keech, Stuart Reeves, Nagy Daher |
2021-12-21 |
| 10876399 |
Mining machine with multiple cutter heads |
Geoffrey W. Keech, Bradley M. Neilson, Nagy Daher, Ric Boyd |
2020-12-29 |
| 10550693 |
Machine supporting rock cutting device |
Geoffrey W. Keech |
2020-02-04 |
| 10533416 |
Rock cutting device |
Geoffrey W. Keech |
2020-01-14 |
| 10472961 |
Cutter head for mining machine |
Russell P. Smith, Andrew D. Hunter, Ian B. Schirmer, Geoffrey W. Keech, Christopher Coates +1 more |
2019-11-12 |
| 10415384 |
Mining machine with multiple cutter heads |
Geoffrey W. Keech, Bradley M. Neilson, Nagy Daher, Ric Boyd |
2019-09-17 |
| 9470087 |
Cutter head for mining machine |
Russell P. Smith, Andrew D. Hunter, Ian B. Schirmer, Geoffrey W. Keech, Christopher Coates +1 more |
2016-10-18 |
| 8936415 |
Roof support sheet handling for underground mines |
Richard D. Boyd, Adrian Germyn, William D. Eddowes, Chris Coates |
2015-01-20 |