Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1083280 | Winch | — | 2025-07-08 |
| D1082209 | Winch | — | 2025-07-01 |
| D1076310 | Winch control box | — | 2025-05-20 |
| D1073244 | Winch | — | 2025-04-29 |
| D1044483 | Fairlead | — | 2024-10-01 |
| D1034161 | Hook | — | 2024-07-09 |
| D1019353 | Shackle | — | 2024-03-26 |
| D971546 | Electric winch | — | 2022-11-29 |
| D971547 | Electric winch | — | 2022-11-29 |
| D970146 | Electric winch | — | 2022-11-15 |
| 10807843 | Drive for electric clutch and winch | — | 2020-10-20 |
| 10662037 | Electric winch | — | 2020-05-26 |
| 10662039 | Winch for vehicle | — | 2020-05-26 |
| 10549965 | Double-speed electric winch and operating method thereof | — | 2020-02-04 |
| 10549963 | Automatic clutch winch | — | 2020-02-04 |
| 10377608 | Winch for vehicles | — | 2019-08-13 |
| 10322916 | Winch | — | 2019-06-18 |
| 10280050 | Winch with multiple work modes | — | 2019-05-07 |
| 9837964 | Amplifier system and device | Huazhang Chen, Fan Zhang | 2017-12-05 |
| D799143 | Electric winch | — | 2017-10-03 |
| D799144 | Electric winch | — | 2017-10-03 |
| 9473948 | Method and apparatus for analyzing pilot pollution | Junquan Ding | 2016-10-18 |
| 9331638 | Doherty power amplifier apparatus | Huazhang Chen, Jianli Liu, Jinyuan An | 2016-05-03 |
| 8797099 | Power amplifier device and power amplifier circuit thereof | Huazhang Chen, Jinyuan An, Jianli Liu | 2014-08-05 |
| 8773206 | Power amplifier apparatus and power amplifier circuit | Huazhang Chen, Jianli Liu | 2014-07-08 |