| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | China | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | Mexico | 2 | |
| #5 | Peru | 2 | |
| #6 | African Regional Industrial Property Organization | 1 | |
| #7 | Argentina | 1 | |
| #8 | Chile | 1 | |
| #9 | Dominican Republic | 1 | |
| #10 | Republic of Korea | 1 | |
| #11 | Morocco | 1 | |
| #12 | Poland | 1 | |
| #13 | Russian Federation | 1 | |
| #14 | Sweden | 1 | |
| #15 | Uruguay | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dahal Madhav P | 12 |
| #2 | Dahal Madhav | 11 |
| #3 | Geisler Robert A | 8 |
| #4 | Madkhav P Dakhal | 1 |
| #5 | Byrne Trevor | 1 |
| #6 | Robert A Gejsler | 1 |
| #7 | Dahal Madhav Prasad | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA2821023A1 | Recovery of metals from complex minerals | |
| CA2810935A1 | Selective recovery of copper and silver from complex sulphide ore, concentrate, tailings, crushed ore or mine sludge | |
| CN103517878A | Transition metal compound particles and methods of production | |
| CA2676273A1 | Leach recovery of minerals from composite carbonate/sulfide ores |