| D930912 |
Welding filter |
Zhaolin Yang, Jianrong Zhou |
2021-09-14 |
| D923879 |
Welders' mask |
Zhaolin Yang, Jianrong Zhou, Ziyang Zhou |
2021-06-29 |
| D873498 |
Helmet |
Zhaolin Yang, Jianrong Zhou |
2020-01-21 |
| D864284 |
Digital welding goggle |
Zhaolin Yang, Jianrong Zhou |
2019-10-22 |
| D857304 |
Welders' mask |
Zhaolin Yang, Jianrong Zhou |
2019-08-20 |
| D857302 |
Welders' mask |
Zhaolin Yang, Jianrong Zhou |
2019-08-20 |
| D857303 |
Welders' mask |
Zhaolin Yang, Jianrong Zhou |
2019-08-20 |
| D833683 |
Welders' mask |
Zhaolin Yang, Jianrong Zhou |
2018-11-13 |
| 10052233 |
Protective visor |
Zhaolin Yang, Jianrong Zhou |
2018-08-21 |
| D816024 |
Charger |
Zhaolin Yang, Jianrong Zhou, Jun Wang, Shilin Wang |
2018-04-24 |
| D814406 |
Charger |
Zhaolin Yang, Jianrong Zhou, Jun Wang, Shilin Wang |
2018-04-03 |
| D814407 |
Charger |
Zhaolin Yang, Jianrong Zhou, Jun Wang, Shilin Wang |
2018-04-03 |
| D814408 |
Charger |
Zhaolin Yang, Jianrong Zhou, Jun Wang, Shilin Wang |
2018-04-03 |
| D814409 |
Charger |
Zhaolin Yang, Jianrong Zhou, Jun Wang, Shilin Wang |
2018-04-03 |
| D809454 |
Power bank |
Jianrong Zhou, Jun Wang, Shilin Wang, Xiaoliang Chen, Binbin Jin |
2018-02-06 |
| D803151 |
Jump starter |
Jianrong Zhou, Jun Wang, Shilin Wang, Xiaoliang Chen, Binbin Jin |
2017-11-21 |