| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 4 | |
| #2 | Philippines | 3 | |
| #3 | United States | 3 | |
| #4 | Brazil | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | France | 1 | |
| #7 | Greece | 1 | |
| #8 | Japan | 1 | |
| #9 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Environmental technology | |
| #3 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Metal production and refining | |
| #2 | Climate change mitigation in goods production | |
| #3 | Compounds containing metals | |
| #4 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lowenhaupt E Harris | 9 |
| #2 | Howe Dennis Lee | 6 |
| #3 | Litz John Edward | 5 |
| #4 | Edward Litz John | 3 |
| #5 | Litz John E | 3 |
| #6 | Howe Dennis L | 2 |
| #7 | Lowenhaupt Harris | 2 |
| #8 | Hollenbeck Melinda | 2 |
| #9 | Lowenhaupt Harris E | 2 |
| #10 | Lee Howe Dennis | 2 |
| Publication | Filing date | Title |
|---|---|---|
| JPS61197003A | Separation and extraction of non-compatible liquid | |
| US4548794A | Method of recovering nickel from laterite ores | |
| US4541868A | Recovery of nickel and cobalt by controlled sulfuric acid leaching | |
| US4541994A | Method of liberating nickel- and cobalt-enriched fines from laterite |