Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8057640 | Deasphalting tar using stripping tower | James N. McCoy, Paul F. Keusenkothen | 2011-11-15 |
| 7998281 | Apparatus and method of cleaning a transfer line heat exchanger tube | James N. McCoy, Arthur R. Di Nicolantonio, Blair H. Margot, Stephen J. Vande Stouwe | 2011-08-16 |