Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11186778 | System and method for repairing a coke oven | Jason Crum, Gary Dean West, John Francis Quanci, Chun Wai Choi | 2021-11-30 |
| 11021655 | Decarbonization of coke ovens and associated systems and methods | John Francis Quanci, Daniel C. Charles, Gary Dean West, Sharla Evatt, Jason Crum | 2021-06-01 |