Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10718155 | Light blocking system for vertical blind | Chih-Yao Chang, Lin Chen, Keng-Hao Nien, Chin-Tai Lu, Chao-Hung Nien | 2020-07-21 |
| 10619411 | Light shielding structure for vertical blind | — | 2020-04-14 |
| 10563455 | Locking mechanism for cord of window covering | Lin Chen, Keng-Hao Nien | 2020-02-18 |
| 10316582 | Light shielding structure for vertical blind | — | 2019-06-11 |
| 9458664 | Adjustable cord locker and window blind having such adjustable cord locker | Chao-Hung Nien, XU-WU QU | 2016-10-04 |
| 9133660 | Device for adjusting slats of window blind | — | 2015-09-15 |
| 8919417 | Head rail of window covering and lid fastener | Chih-Yao Chang | 2014-12-30 |
| 8910696 | Slat controller of window blind | Chih-Yao Chang | 2014-12-16 |
| 8776860 | Vane assembly of vertical window blind and the vane carrier thereof | Chih-Yao Chang | 2014-07-15 |
| 8752251 | Cord release of window covering | Chih-Yao Chang | 2014-06-17 |
| 8739370 | Cord release of window covering | Chih-Yao Chang | 2014-06-03 |
| 8701738 | Cord controller of window covering | Chih-Yao Chang | 2014-04-22 |
| 8156991 | Cord lock of window coverings | Ju-Sheng Cheng | 2012-04-17 |
| 8104146 | Safety cord release of window covering | — | 2012-01-31 |
| 8091606 | Operating wand for venetian blinds | Ming Nien | 2012-01-10 |
| 7984745 | Cordless window blind structure | Chih-Yao Chang | 2011-07-26 |
| 7703500 | Bracket and head rail assembly | Chih-Yao Chang | 2010-04-27 |
| 7597131 | Cord lock apparatus of window shade assembly | Ming Nien, Chih-Yao Chang, David Pon, Judkins Ren | 2009-10-06 |
| 7353856 | Window covering having roll-up shade segments | David Pon, Tung-Jung Chen | 2008-04-08 |
| 7302738 | Safe disengaging device for the pull cord of a blind | Ming Nien | 2007-12-04 |
| 7040374 | Electromagnetic clutch-controlled electric blind | Song-He Lui, Ya-Wei Hsu | 2006-05-09 |
| 6789597 | Electromagnetic clutch-controlled electric blind | Song-He Lui, Ya-Wei Hsu | 2004-09-14 |
| 6786270 | Lift lock for blind | Yuh-Jia Ju | 2004-09-07 |
| 6659156 | Screw transmission mechanism for a blind | Song-He Lui | 2003-12-09 |
| 6655441 | Friction transmission mechanism for a motor-driven blind | Song-He Lui | 2003-12-02 |