Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5827403 | Method of designing and manufacturing a delayed coker drum | Richard S. Boswell | 1998-10-27 |
| 5795445 | Method of controlling the quench of coke in a coke drum | Richard S. Boswell | 1998-08-18 |