| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 1 | |
| #3 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Environmental technology | |
| #3 | Surface technology and coating | |
| #4 | Thermal processes | |
| #5 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Arsdale George D Van | 5 |
| #2 | Aldrich Harold W | 2 |
| #3 | Parker Wesley H | 2 |
| #4 | Scott Walter G | 2 |
| #5 | Tittes Allan F | 1 |
| #6 | Carlson Donald O | 1 |
| #7 | Zimmerman Charles E | 1 |
| #8 | Clark Mason William | 1 |
| #9 | Larson Kenneth Hugo | 1 |
| #10 | Britton Kennith Lee | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3282675A | Up-grading cement copper | |
| US2730493A | Process for recovery of copper from cupriferous ore | |
| US2600357A | Apparatus for closing dump car doors | |
| US2408668A | Electrolysis of copper | |
| US1798715A | Ore distributing | |
| US1553416A | Combination process | |
| US1581479A | Recovery of values | |
| US1553413A | Method of treating concentrates | |
| US1553414A | Method of leaching sulphide and mixed ores | |
| US1553415A | Method of controlling ferric iron | |
| CA704025A | Up-grading cement copper |