Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11073116 | Cooling systems for marine engines having a supercharger | David D. Dins, Gregg D. Langenfeld | 2021-07-27 |
| 10981636 | Marine engines having a supercharger | Gregg D. Langenfeld, Jinesh Arakkal Meethal | 2021-04-20 |
| 10934928 | Lubrication apapratus configurations for marine engines having a supercharger | Gregg D. Langenfeld, Jinesh Arakkal Meethal | 2021-03-02 |