Issued Patents 2021
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11122949 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Kam Hoi Ma | 2021-09-21 |
| 11096539 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Kam Hoi Ma | 2021-08-24 |
| 11096540 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Kam Hoi Ma | 2021-08-24 |
| 11096541 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Kam Hoi Ma | 2021-08-24 |
| 11096542 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Kam Hoi Ma | 2021-08-24 |
| 11096543 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Kam Hoi Ma | 2021-08-24 |
| 11089933 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Kam Hoi Ma | 2021-08-17 |
| 10925455 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Kam Hoi Ma | 2021-02-23 |