Issued Patents 2016
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9388829 | Hydraulic control system having swing motor energy recovery | Jiao Zhang, Lawrence J. Tognetti, Pengfei Ma, John Ferraz, Jr., Tetsuya Yoshino | 2016-07-12 |
| 9366269 | Hydraulic accumulator health diagnosis | Pengfei Ma, Tonglin Shang, Bryan J. Hillman | 2016-06-14 |
| 9315968 | Hydraulic control system for machine | Tonglin Shang | 2016-04-19 |
| 9290911 | Energy recovery system for hydraulic machine | Pengfei Ma, Tonglin Shang, Jiao Zhang, Gang Wen | 2016-03-22 |
| 9279236 | Electro-hydraulic system for recovering and reusing potential energy | Jiao Zhang, Pengfei Ma, Tonglin Shang, Gang Wen, Bryan E. Nelson | 2016-03-08 |