Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12297389 | Plastic pyrolysis reactor | David Lee Guymon, Daniel T. Fernald, Ron Herbanek, Richard John Jibb, Sudipto Chakraborty +2 more | 2025-05-13 |
| 11795401 | Conversion of waste plastics to petrochemicals | Sudipto Chakraborty, Daniel T. Fernald, David Lee Guymon, Ron Herbanek, Richard John Jibb +1 more | 2023-10-24 |
| 9714391 | Waste to fuel system | — | 2017-07-25 |