| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 5 | |
| #2 | Australia | 4 | |
| #3 | Canada | 4 | |
| #4 | Chile | 4 | |
| #5 | China | 4 | |
| #6 | EPO (European Patent Office) | 4 | |
| #7 | Republic of Korea | 4 | |
| #8 | African Regional Industrial Property Organization | 3 | |
| #9 | Brazil | 3 | |
| #10 | United States | 3 | |
| #11 | South Africa | 3 | |
| #12 | Argentina | 2 | |
| #13 | EAPO (Eurasian Patent Organization) | 2 | |
| #14 | Mexico | 2 | |
| #15 | Peru | 2 | |
| #16 | India | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Materials and metallurgy | |
| #3 | Surface technology and coating |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rautenbach George Frederick | 25 |
| #2 | Strauss Johannes Mattheus | 15 |
| #3 | Nicol Michael James | 14 |
| #4 | Chibwana Clement Chilowa | 13 |
| #5 | Barios Ormeño Damaso | 8 |
| #6 | Rorke Gary Vernon | 7 |
| #7 | Patino Martinez Eduardo Luis | 7 |
| #8 | Barios Ormeno Damaso | 6 |
| #9 | Patiño Martinez Eduardo Luis | 5 |
| #10 | George Frederick Rautenbach | 4 |
| Publication | Filing date | Title |
|---|---|---|
| BR112020012754A2 | acid balance in a leach in chloride cells | |
| US2020325556A1 | Water balance in a chloride heap leach | |
| EP3060691A1 | Heap leaching of copper | |
| MX2015002140A | Heap leaching method. | |
| WO2012001501A1 | A chloride method for bioleaching |