Issued Patents 2022
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D973278 | Hair clipper | Connor Brandt, Zhenfeng Qiu, Yingchang Ma | 2022-12-20 |
| D973279 | Hair clipper lid | Connor Brandt, Zhenfeng Qiu, Yingchang Ma | 2022-12-20 |
| D968024 | Hair clipper | Zhenfeng Qiu, Tangwen Xu | 2022-10-25 |
| D968025 | Shaver | Christian Zachrich, Chad Aulwes, Jeff Fleming, Chao Yang, Tangwen Xu | 2022-10-25 |
| D966606 | Hair dryer | Hao Zhang, Wuhu Li | 2022-10-11 |
| 11441066 | Polymer dispersions for oilfield friction reduction | Genyao Lin, Zhihua Zhang, Fulya Sudur Zalluhoglu | 2022-09-13 |
| 11326085 | Friction reducers | Fulya Sudur Zalluhoglu, Lanka Wickramasinghe Arachchilage, Minh Le, Jian Zhou | 2022-05-10 |