| # | Country | Total Patents | |
|---|---|---|---|
| #1 | South Africa | 8 | |
| #2 | United Kingdom | 4 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Packaging and shipping | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Safety devices | |
| #2 | Mining | |
| #3 | Cranes | |
| #4 | Shafts | |
| #5 | Earth drilling | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ackroyd G | 4 |
| #2 | Kirchenbrand R | 1 |
| #3 | Maltman B | 1 |
| #4 | Parker M | 1 |
| #5 | Becker Harry R | 1 |
| #6 | Hawkes I | 1 |
| #7 | Stroebl O | 1 |
| #8 | Gandy R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA7805126B | Scraper winch | |
| ZA7707145B | Scraper winch drive unit | |
| ZA7707144B | Clamping arrangement | |
| ZA7706282B | Scraper winch | |
| ZA7706283B | Winch | |
| ZA7600482B | Impact mining machine | |
| ZA7403824B | Rock breaking apparatus | |
| GB1447622A | Dirt compacting apparatus | |
| GB1389736A | Mining apparatus for long wall mining | |
| ZA7106008B | Double drum winch | |
| GB1308655A | Method of and machine for use in the construction of the gates in long-wall coal mining |