| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | United States | 3 | |
| #4 | Brazil | 2 | |
| #5 | EAPO (Eurasian Patent Organization) | 2 | |
| #6 | WIPO (World Intellectual Property Organization) | 2 | |
| #7 | Argentina | 1 | |
| #8 | Australia | 1 | |
| #9 | Chile | 1 | |
| #10 | Dominican Republic | 1 | |
| #11 | Norway | 1 | |
| #12 | Peru | 1 | |
| #13 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Climate change mitigation in goods production | |
| #2 | Metal production and refining |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sridhar Ramamritham | 19 |
| #2 | Lakshmanan Vaikuntam I | 18 |
| #3 | Harris G Bryn | 14 |
| #4 | Puvvada George | 10 |
| #5 | Harris Bryn G | 8 |
| #6 | Ramamritham Sridhar | 2 |
| #7 | George Puvvada | 1 |
| #8 | Sridahar Ramamritham | 1 |
| #9 | Laksmanan Vaikuntam I | 1 |
| #10 | Lakshmana Vaikuntam I | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA200603384B | A process for the recovery of value metals from base metal sulfide ores | |
| CA2478516A1 | A process for the recovery of value metals from base metal sulfide ores | |
| CA2548225A1 | A process for the recovery of value metals from material containing base metal oxides |