Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12292264 | Frustum embedded fabricated composite protective structure | Yuyan SUN, Zuquan Jin, YONG-JUN YU, Xiaomei WAN | 2025-05-06 |
| D1061006 | Sun umbrella | Teng Long | 2025-02-11 |
| 12167783 | Rotary open-close type sun umbrella | — | 2024-12-17 |
| 12103812 | Flexible layer support structure and retractable device | Yuyan SUN | 2024-10-01 |
| D999613 | Handrail cover | — | 2023-09-26 |
| D978520 | Sunshade umbrella stand | — | 2023-02-21 |
| 11459756 | Corrosion-induced shape memory fiber, preparation method and application thereof | Yuyan SUN, Ziliang Wang | 2022-10-04 |
| 11412821 | Straight-pole sun umbrella hand-cranking structure | Defu Liu | 2022-08-16 |
| 11317688 | Straight-pole sun umbrella hand-cranking device | Defu Liu | 2022-05-03 |
| D949549 | Crank handle device of sun umbrella | — | 2022-04-26 |
| D948201 | Crank handle device of sun umbrella | — | 2022-04-12 |
| D931595 | Rotatable base for an umbrella | — | 2021-09-28 |
| 11098861 | Sun umbrella capable of emitting light in all directions | — | 2021-08-24 |
| D917151 | Sunshade rotatable base | — | 2021-04-27 |
| 10881174 | Illuminable sun umbrella | — | 2021-01-05 |
| D851390 | Umbrella handle | Chenghua Wang, Binbin Ying | 2019-06-18 |
| D815828 | Parasol handle | Chenghua Wang | 2018-04-24 |