| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Canada | 1 | |
| #3 | Cyprus | 1 | |
| #4 | Germany | 1 | |
| #5 | Spain | 1 | |
| #6 | Finland | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Greece | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lichty Lyall J | 2 |
| #2 | John Lichty Lyall | 2 |
| #3 | Lichty Lyall John | 1 |
| #4 | Hillard Joachim | 1 |
| #5 | Blanck J | 1 |
| #6 | Happel John | 1 |
| #7 | Happel J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA930173A | Direct gaseous reduction of iron oxide | |
| US3615351A | Direct gaseous reduction of iron oxide | |
| US3402042A | Recovery of nickel and cobalt from an aqueous solution | |
| US3130043A | Recovery of nickel from laterite ores | |
| DE896561C | Method of treating slag | |
| GB682832A | Improvements in recovery of metals from sulphur-containing metallurgical slag | |
| US2653868A | Recovery of metals from metallurgical slag |