| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | African Regional Industrial Property Organization | 1 | |
| #3 | Australia | 1 | |
| #4 | Bulgaria | 1 | |
| #5 | Brazil | 1 | |
| #6 | Canada | 1 | |
| #7 | China | 1 | |
| #8 | Costa Rica | 1 | |
| #9 | Finland | 1 | |
| #10 | Norway | 1 | |
| #11 | African Intellectual Property Organization | 1 | |
| #12 | Slovakia | 1 | |
| #13 | El Salvador | 1 | |
| #14 | Taiwan | 1 | |
| #15 | Uruguay | 1 | |
| #16 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Environmental technology | |
| #3 | Chemical engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Djerf Tobin | 17 |
| #2 | Damico Gwen | 17 |
| Publication | Filing date | Title |
|---|---|---|
| US5976435A | Method and apparatus for producing composite materials | |
| US5660282A | Method and apparatus for separating resource materials from solid waste | |
| AP633A | Method of treating solid waste. | |
| US5341935A | Method of separating resource materials from solid waste |