Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9062953 | Rock breaking product | — | 2015-06-23 |
| 9010246 | Surface blasting product | — | 2015-04-21 |
| 8763723 | Cartridge for breaking rock | Manfred Karl Heinrich Habeck | 2014-07-01 |
| 8760289 | Warning system | Ockert Oosthuizen | 2014-06-24 |
| 8251617 | Rock anchor cable | — | 2012-08-28 |
| 8015921 | Electronic blasting capsule | Ockert Oosthuizen | 2011-09-13 |
| 7942481 | Rock drill and method of breaking rock | — | 2011-05-17 |
| 7143845 | Drilling apparatus with anti-vibration inertial body | — | 2006-12-05 |
| 6981855 | Drilling rig having a compact compressor/pump assembly | — | 2006-01-03 |
| 6860730 | Methods and apparatus for unloading a screw compressor | — | 2005-03-01 |
| 5875857 | Accumulator charging system | Roger Robarts Briggs | 1999-03-02 |
| 5794717 | Rock drill percussion mechanism | Roger Robarts Briggs | 1998-08-18 |
| 5771982 | Rock drill | Roger Robarts Briggs | 1998-06-30 |
| 5771981 | Control system for percussion drill | Roger Robarts Briggs | 1998-06-30 |
| 5678642 | Drilling arrangement and drilling feed mechanism | Roger Robarts Briggs | 1997-10-21 |
| 4786213 | Device for storing a wire in a wire bolting means | — | 1988-11-22 |
| 4732509 | Method and a device for feeding concrete into a drill hole in the concrete boiling of a rock | — | 1988-03-22 |
| 4728219 | Method of and a device for guiding a wire in the wire bolting of a rock | — | 1988-03-01 |
| 4725096 | Method of and a device for carrying out wire bolting | — | 1988-02-16 |
| 4721171 | Opening device for drill rods for an extension rod drilling equipment | — | 1988-01-26 |
| 4716794 | Opening device for an extension rod drilling equipment | — | 1988-01-05 |
| 4710065 | Method, a device and a means for carrying out wire bolting of a rock | — | 1987-12-01 |
| 4708532 | Apparatus for storing a concrete feeding hose in a rock bolting device | — | 1987-11-24 |
| 4708533 | Method and a device for guiding a concrete feeding hose in connection with the grout feed in rock bolting | — | 1987-11-24 |