| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 1 | |
| #2 | Bulgaria | 1 | |
| #3 | Brazil | 1 | |
| #4 | Czechia | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Finland | 1 | |
| #7 | Hungary | 1 | |
| #8 | Norway | 1 | |
| #9 | African Intellectual Property Organization | 1 | |
| #10 | Slovakia | 1 | |
| #11 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Surface technology and coating | |
| #3 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Barr Neal | 11 |
| #2 | Treasure Patrick Anthony | 9 |
| #3 | De Denus Robert Napier | 5 |
| #4 | De Denus Robert N | 2 |
| #5 | Treasure Patrick A | 2 |
| #6 | Denus Robert Napier De | 2 |
| #7 | Denus Robert Napier | 1 |
| #8 | Dedenus Robert Napier | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO9214865A1 | Mineral recovery apparatus |