Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8176721 | Methods and apparatus for a nitrogen purge system | Kevin Lee Kunkle, Steven William Backman, David W. Smith | 2012-05-15 |
| 7721521 | Methods and apparatus for a combustion turbine fuel recirculation system and nitrogen purge system | Kevin Lee Kunkle, Steven William Backman, David W. Smith | 2010-05-25 |