Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149681 | Piston with insulating air gap formed by additive manufacturing | Jordan E. Kelleher, Lyle E. Kocher, Dwight A. Doig | 2021-10-19 |
| 10968785 | Waste heat recovery systems with heat exchangers | Jared Carpenter Delahanty, Timothy C. Ernst, J. Steven Kolhouse | 2021-04-06 |