| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | United States | 4 | |
| #3 | Zambia | 3 | |
| #4 | Belgium | 1 | |
| #5 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | Casting metal | |
| #2 | Electrolytic metal production | |
| #3 | Alloys |
| # | Name | Total Patents |
|---|---|---|
| #1 | Knight Bill J | 9 |
| #2 | Knight David L | 2 |
| Publication | Filing date | Title |
|---|---|---|
| ZM2981A1 | Process for electrowinning of metals | |
| US4272339A | Process for electrowinning of metals | |
| CA1103205A | Insoluble anode for the electrowinning of copper | |
| ZM16275A1 | Method and apparatus for casting anodes | |
| US3981353A | Anode casting machine | |
| US4050961A | Method for casting anodes |