Issued Patents 2016
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9333999 | Seal packing guard for rotating components | Jeffrey S. VanderVeen, Eric James Johannsen | 2016-05-10 |
| 9296437 | Roller collar configured to reduce seal packing | Jeffrey S. VanderVeen, Eric James Johannsen | 2016-03-29 |