| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 5 | |
| #2 | United States | 5 | |
| #3 | South Africa | 4 | |
| #4 | Canada | 2 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | WIPO (World Intellectual Property Organization) | 2 | |
| #7 | India | 1 | |
| #8 | Philippines | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Chemical engineering | |
| #3 | Materials and metallurgy |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wilson Robert A | 14 |
| #2 | Coucher Robert G | 8 |
| #3 | Peterson J Leroy | 8 |
| #4 | Peterson Joseph Leroy | 3 |
| #5 | Peterson Joseph L | 2 |
| #6 | Robert G Coucher | 1 |
| #7 | Robert A Wilson | 1 |
| #8 | Peterson Leroy J | 1 |
| #9 | J Leroy Peterson | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5096415A | Reaction furnace | |
| US4988289A | Reaction furnace | |
| US5162275A | Low temperature kiln carbon reactivation | |
| AU2728488A | Low temperature kiln | |
| US4837423A | Low temperature kiln | |
| ZA8502705B | Low temperature kiln | |
| US4462870A | Low temperature kiln |