Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7010937 | Natural gas liquefaction | John D. Wilkinson, Hank M. Hudson | 2006-03-14 |
| 6742358 | Natural gas liquefaction | John D. Wilkinson, Hank M. Hudson | 2004-06-01 |
| 5881569 | Hydrocarbon gas processing | Roy E. Campbell, John D. Wilkinson, Hank M. Hudson | 1999-03-16 |