Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10316256 | Method for removing amine from a contaminated hydrocarbon streams | David B. Engel | 2019-06-11 |
| 10316257 | System for the treatment of mercaptan contaminated hydrocarbon streams | David B. Engel | 2019-06-11 |
| 10221364 | System for the treatment of a contaminated hydrocarbon streams | David B. Engel | 2019-03-05 |
| 9982201 | Removal of hydrocarbon contaminants | David B. Engel | 2018-05-29 |