| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | United Kingdom | 3 | |
| #3 | Australia | 2 | |
| #4 | South Africa | 2 | |
| #5 | Canada | 1 | |
| #6 | Germany | 1 | |
| #7 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering | |
| #3 | Materials and metallurgy | |
| #4 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jones Dennis A | 4 |
| #2 | Styron Robert W | 4 |
| #3 | Smith Mark Harris | 3 |
| #4 | Mewes Arthur Raymond | 3 |
| #5 | Styron Robert William | 1 |
| #6 | Jones D | 1 |
| #7 | Mewes A | 1 |
| #8 | Smith M | 1 |
| #9 | Hurst Vernon J | 1 |
| #10 | Styron R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4226630A | Leach-resistant solid bodies from fly ash and heavy metal sludge | |
| US4040852A | Lightweight aggregate | |
| US4121945A | Fly ash benificiation process | |
| AU1023376A | The treatment of mineral and biological slimes | |
| US3932275A | Process for the treatment of mineral slimes | |
| US3961973A | Lightweight aggregate |