Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12232622 | Folding step stool | Baisong Yao, Weiqiang Liu | 2025-02-25 |
| D1024585 | Step stool | Baisong Yao, Weiqiang Liu | 2024-04-30 |
| 11667426 | Foldable container and cleaning tool assembly | Zhongfu Liu | 2023-06-06 |
| D988004 | Toilet brush set | Zhongfu Liu | 2023-06-06 |
| 11375868 | Multifunctional water spray mop | Dongliang Sheng, Jing Li, Min He, Jian Wu | 2022-07-05 |
| 11357380 | Cleaning tool | Danjun Chi | 2022-06-14 |
| 9839338 | Multifunctional broom | Jianwei Song | 2017-12-12 |
| 9622639 | Mop-washing apparatuses and methods | — | 2017-04-18 |
| 9615717 | Spin-dryable mop | — | 2017-04-11 |