| # | Country | Total Patents | |
|---|---|---|---|
| #1 | South Africa | 18 | |
| #2 | Zambia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Percussive tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hunt C | 15 |
| #2 | Nicol A | 12 |
| #3 | Mack M | 3 |
| #4 | Mc Intosh Nicol A | 2 |
| Publication | Filing date | Title |
|---|---|---|
| ZA7800006B | Stope drilling rig | |
| ZA7800007B | Valves for controlling air flow | |
| ZA7704130B | Improvements in or relating to rigs for supporting rock drills | |
| ZA7702936B | Collaring steady | |
| ZA7701154B | Rock drill | |
| ZA7700654B | Rigs for supporting rock drills | |
| ZA7700661B | Pistons for percussive devices such as rock drills | |
| ZA7605859B | Clamping mechanism | |
| ZA7605854B | Stope drilling rigs | |
| ZA7605858B | Rail structure | |
| ZA7605856B | Stope drilling rigs | |
| ZA7800008B | Stope drilling rigs | |
| ZA7604220B | Improvements in or relating to hydraulically powered percussive apparatus | |
| ZA7604219B | Stope drilling rig | |
| ZA7604092B | Air leg sprag structure | |
| ZA7604093B | Rock drills | |
| ZA7700397B | Air leg | |
| ZA7600947B | Air leg | |
| ZM1375A1 | Hydraulically operated percussive apparatus |