| # | Country | Total Patents | |
|---|---|---|---|
| #1 | South Africa | 8 | |
| #2 | United States | 5 | |
| #3 | Australia | 3 | |
| #4 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Flotation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Unger Kim N | 8 |
| #2 | Unger Kim Norton | 5 |
| #3 | Tibbals Rory L | 3 |
| #4 | Smeltzer Dennis V | 3 |
| #5 | Block David Charles | 2 |
| #6 | Block Gerald Bernard | 2 |
| #7 | Gerald Bernard Block | 2 |
| #8 | Smeltzer Dennis Vernon | 2 |
| #9 | David Charles Block | 2 |
| #10 | Arthur Winston Buckton Garner | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA8702776B | Reclamation of metal and mineral values | |
| ZA8702777B | Reclamation of metal and mineral values | |
| US4699712A | Ore dressing method | |
| ZA8505345B | Mining and reclamation methods | |
| ZA8503831B | Ore dressing method | |
| ZA8501326B | Winning precious metals | |
| US4584095A | Ore flotation method employing phosphorodithio compounds as frother adjuvants | |
| US4530758A | Ore flotation method | |
| ZA8302287B | Ore flotation method | |
| US4507198A | Flotation collectors and methods | |
| US4387034A | Mixed alkylthionocarbamates flotation collectors and ore dressing methods in which the collectors are employed |