| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Brazil | 1 | |
| #2 | Denmark | 1 | |
| #3 | Spain | 1 | |
| #4 | Finland | 1 | |
| #5 | Hungary | 1 | |
| #6 | India | 1 | |
| #7 | Norway | 1 | |
| #8 | New Zealand | 1 | |
| #9 | Philippines | 1 | |
| #10 | WIPO (World Intellectual Property Organization) | 1 | |
| #11 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Metal production and refining |
| # | Name | Total Patents |
|---|---|---|
| #1 | Davis Edward Ernest | 8 |
| #2 | Davis Edward Ernst | 1 |
| #3 | David Edward E | 1 |
| #4 | Davis E E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA8606852B | Refining process |