Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11253130 | Cleaning tool capable of expanding during use and contracting when to be cleaned | Ju Zhang | 2022-02-22 |
| 11019895 | Luggage case and case body structure thereof | — | 2021-06-01 |
| 10349801 | Double-sided mop | Jiu Zhang, Kai Feng Lu | 2019-07-16 |
| 10264942 | Flat mop | — | 2019-04-23 |
| 10105029 | Sweeper machine | — | 2018-10-23 |
| 9999336 | Self-wrung flat mop | Jing Li | 2018-06-19 |
| 9962056 | Self-wringing flat mop | — | 2018-05-08 |
| 9788702 | Dripping mop | Jing Li | 2017-10-17 |
| 9687133 | Pressing spray mop | Jing Li | 2017-06-27 |
| 9307882 | Self-wrung flat mop | — | 2016-04-12 |