Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11608937 | Separation and venting cryogenic liquid from vapor on a mobile machine | Brian M. Bevard, Manikandan Natarajan, Joshua Thomas Perko, Matthew Jordan Engfehr, Roderick S. Zehrung | 2023-03-21 |
| 10760506 | Liquified gaseous fuel storage tank level calibration control system | Matthew Jordan Engfehr, Asha L. Pai, Roderick S. Zehrung, Brett Michael Nee, Joshua Thomas Perko | 2020-09-01 |