Issued Patents 2017
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9850851 | Carburetor base of engine | Zhao Kong, Ning Guo | 2017-12-26 |
| 9797281 | Four-stroke engine | Zhao Kong, Ning Guo | 2017-10-24 |
| 9797338 | Engine with rocker chamber | Zhao Kong, Ning Guo, Gan Chen | 2017-10-24 |
| 9719460 | Engine oil pan | Zhao Kong, Ning Guo, Gan Chen | 2017-08-01 |
| 9598988 | Lubrication system for four-stroke engine | Zhao Kong, Ning Guo, Gan Chen | 2017-03-21 |