| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | South Africa | 2 | |
| #3 | Brazil | 1 | |
| #4 | Greece | 1 | |
| #5 | Israel | 1 | |
| #6 | Jordan | 1 | |
| #7 | Morocco | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Metal production and refining | |
| #2 | Climate change mitigation in goods production |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dean Robert Butler | 4 |
| #2 | Butler Dean R | 4 |
| #3 | Butler Dean Robert | 3 |
| #4 | Butler Robert Dean | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JO1624B1 | Noble metal recovery |