| # | Country | Total Patents | |
|---|---|---|---|
| #1 | South Africa | 5 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 3 | |
| #4 | Australia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Detonating devices | |
| #2 | Explosive charges |
| # | Name | Total Patents |
|---|---|---|
| #1 | Welsh David Martin | 3 |
| #2 | Welsch D | 2 |
| #3 | Phillips P | 1 |
| #4 | Phillips Peter Edgar | 1 |
| #5 | Simon J | 1 |
| #6 | Welsh D | 1 |
| #7 | Mann W | 1 |
| #8 | Mclaughlin H | 1 |
| #9 | Williams A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA7102988B | Safety fuse blasting assembly | |
| ZA7000266B | Manufacture of detonating fuse cord |