Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9809958 | Engine assist by recovering swing kinetic energy | Tonglin Shang, Pengfei Ma | 2017-11-07 |
| 9745940 | Machine having hydraulic start assist system | Emily A. Morris, Jeremy T. Peterson, Jeffrey L. Kuehn, Pengfei Ma | 2017-08-29 |
| 9618014 | Implement system having hydraulic start assist | Emily A. Morris, Jeremy T. Peterson, Jeffrey L. Kuehn, Pengfei Ma | 2017-04-11 |
| 9556591 | Hydraulic system recovering swing kinetic and boom potential energy | Tonglin Shang, Jiao Zhang, Pengfei Ma | 2017-01-31 |