Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1077524 | Take-up device for curtain | Xingbang Lei | 2025-06-03 |
| 12203324 | Curtain cord winding device | Xingbang Lei | 2025-01-21 |
| 12193589 | Mounting device for a curtain | Xingbang Lei | 2025-01-14 |
| D1057475 | Take-up device for curtain | Xingbang Lei | 2025-01-14 |
| 11697964 | Roller shade actuation device | Xingbang Lei | 2023-07-11 |
| 11448008 | Curtain winding device | Xingbang Lei | 2022-09-20 |
| 11448010 | Ladder tape device for a venetian blind | Xingbang Lei | 2022-09-20 |
| 11326397 | Roller shade actuation device | Xingbang Lei | 2022-05-10 |
| 11286714 | Window shutter actuation device | Xingbang Lei | 2022-03-29 |
| 11187034 | Driving mechanism for curtain cord winding reels | Xingbang Lei | 2021-11-30 |
| 11091954 | Curtain and drawstring adjustment device thereof | Xingbang Lei | 2021-08-17 |
| 11028642 | Roller shade actuation device | Xingbang Lei | 2021-06-08 |
| 11028641 | Built-in roller shade actuation device | Xingbang Lei | 2021-06-08 |
| 10988981 | Pull-cord control device for curtain without operation cord | Xingbang Lei | 2021-04-27 |
| 10273749 | Cord winding mechanism for a cordless window blind | Xinbang Lei | 2019-04-30 |