| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 2 | |
| #2 | France | 2 | |
| #3 | Japan | 2 | |
| #4 | South Africa | 2 | |
| #5 | Australia | 1 | |
| #6 | Canada | 1 | |
| #7 | Spain | 1 | |
| #8 | Poland | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Mining |
| # | Name | Total Patents |
|---|---|---|
| #1 | Proctor Sidney E | 3 |
| #2 | Proctor S | 2 |
| #3 | Shidonii Aanesuto Purokutaa | 2 |
| #4 | Proctor Sidney Ernest | 1 |
| #5 | Proctor S E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4274677A | Mineral cutter pick arrangement | |
| ZA7902505B | Mineral cutter pick arrangement | |
| DE2732285A1 | ROCK CUTTING PICKS | |
| ZA7704258B | Mineral cutter pick arrangement |