| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 4 | |
| #2 | Canada | 4 | |
| #3 | United States | 4 | |
| #4 | South Africa | 4 | |
| #5 | Germany | 2 | |
| #6 | United Kingdom | 2 | |
| #7 | Sweden | 2 | |
| #8 | Brazil | 1 | |
| #9 | Ireland | 1 | |
| #10 | Norway | 1 | |
| #11 | African Intellectual Property Organization | 1 | |
| #12 | Turkey | 1 | |
| #13 | Zambia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Chemical engineering | |
| #3 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Milling | |
| #2 | Separation | |
| #3 | Separating solids | |
| #4 | Magnetic or electrostatic solid separation | |
| #5 | Measuring length, angles and areas |
| # | Name | Total Patents |
|---|---|---|
| #1 | Williams Charles J | 9 |
| #2 | Tittman David W | 2 |
| #3 | Carlson A | 2 |
| #4 | Hovland Marcus L | 2 |
| #5 | Ahlquist Harry Richard | 2 |
| #6 | Keyser N | 2 |
| #7 | Marincel George M | 2 |
| #8 | Ahlquist H | 2 |
| #9 | Tuttle W | 2 |
| #10 | Tittman D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA7705473B | Method and apparatus for controlling the corrosion of grinding media | |
| AU4340372A | Device and method for measuring effective openings of screens | |
| AU4225572A | Cover for magnetic drum separator | |
| US3724668A | Adjustable skip bridge valving mechanism for disc filter | |
| US3658260A | On-stream ore liberation detection system | |
| US3557276A | Method of making a fine screen | |
| US3483976A | Flexible screening panel | |
| CA848422A | Concentration process | |
| CA875939A | Concentration process and apparatus | |
| CA832850A | Fine screen and method of making same |