Issued Patents All Time
Showing 1–25 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421795 | Cordless window covering | Lei Luo | 2025-09-23 |
| 12098593 | Cord retractor and window covering having same | — | 2024-09-24 |
| 11970901 | Window blind | Lei Luo | 2024-04-30 |
| 11686153 | Top-down bottom-up window covering | — | 2023-06-27 |
| 11549308 | Window blind | Lei Luo | 2023-01-10 |
| 11480230 | Damping device of window covering | Keng-Hao Nien | 2022-10-25 |
| 11473369 | Top-down bottom-up window covering | — | 2022-10-18 |
| 11299929 | Window blind | Chin-Tai Lu | 2022-04-12 |
| 11230881 | Block and tackle window blind | Keng-Hao Nien | 2022-01-25 |
| 11220860 | Position-fixing system | Keng-Hao Nien | 2022-01-11 |
| 11078724 | Window covering | Keng-Hao Nien | 2021-08-03 |
| 11008807 | Position-fixing system | Keng-Hao Nien | 2021-05-18 |
| 10968695 | Fixing assembly for roller shade | Hai Liang, Keng-Hao Nien | 2021-04-06 |
| 10865600 | Window blind | De-Jun Zhang, Keng-Hao Nien | 2020-12-15 |
| RE48355 | Control mechanism for raising and lowering window covering | Keng-Hao Nien | 2020-12-15 |
| 10745966 | Support structure for roller for a shade | Keng-Hao Nien | 2020-08-18 |
| 10718155 | Light blocking system for vertical blind | Yu-Che Wen, Chih-Yao Chang, Keng-Hao Nien, Chin-Tai Lu, Chao-Hung Nien | 2020-07-21 |
| 10711517 | Lifting device of cordless covering | — | 2020-07-14 |
| 10619412 | Slat of window covering | Keng-Hao Nien | 2020-04-14 |
| 10619410 | Window blind | Keng-Hao Nien | 2020-04-14 |
| 10612621 | Damping device for window covering | Keng-Hao Nien | 2020-04-07 |
| 10612300 | Window blind | Keng-Hao Nien | 2020-04-07 |
| 10612299 | Control device of window covering system | Keng-Hao Nien | 2020-04-07 |
| 10563455 | Locking mechanism for cord of window covering | Keng-Hao Nien, Yu-Che Wen | 2020-02-18 |
| 10533371 | System and device for window covering | Keng-Hao Nien | 2020-01-14 |