Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203954 | Pre-lubrication and skip fire operations during engine cranking | J. Steven Kolhouse | 2021-12-21 |
| 11149681 | Piston with insulating air gap formed by additive manufacturing | Jordan E. Kelleher, Dwight A. Doig, Brett A. Boas | 2021-10-19 |
| 10975786 | Cylinder deactivation and variable geometry turbocharger control | Aaron William Beinborn, Adrian P. Dale, J. Steven Kolhouse | 2021-04-13 |