Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12286816 | Press type door lock device used in fireproof doors | — | 2025-04-29 |
| 12006733 | Door lock device | Jui-Ming Chen | 2024-06-11 |
| 11834863 | Door lock | Wei-Chun Lin | 2023-12-05 |
| 11753851 | Lock assembly | Jui-Ming Chen | 2023-09-12 |
| 11725424 | Door lock device and electric control assembly thereof | — | 2023-08-15 |
| 11655655 | Door lock device | Jui-Ming Chen | 2023-05-23 |
| 11585118 | Door lock device | Wei-Chun Lin | 2023-02-21 |
| 10030419 | Fire door lock | — | 2018-07-24 |
| 8424928 | Door handle having a handgrip changeable indoor and outdoor | — | 2013-04-23 |
| 8191937 | Automatic hidden latch structure | — | 2012-06-05 |
| 8162358 | Lock device | — | 2012-04-24 |
| 8136300 | Window or door frame having brace device | — | 2012-03-20 |
| 8079238 | Lock device | — | 2011-12-20 |
| 8079241 | Adjustable shaft for door lock assembly | — | 2011-12-20 |
| D645331 | Door handle | — | 2011-09-20 |
| 7918487 | Unlock transmission mechanism for escape door | — | 2011-04-05 |
| 7641244 | Fire door lock | — | 2010-01-05 |
| 7287784 | Fire-blocking door lock structure | — | 2007-10-30 |
| 7181940 | Door lock transmission mechanism | — | 2007-02-27 |
| 7144050 | Fire-blocking door lock structure | — | 2006-12-05 |
| 7070210 | Fire-blocking door lock structure | — | 2006-07-04 |
| 7044510 | Fire door lock mechanism | — | 2006-05-16 |
| 6883837 | Flush bolt mechanism | — | 2005-04-26 |
| 6854773 | Fire door lock mechanism | — | 2005-02-15 |
| 6668942 | Damping apparatus for reciprocating pneumatic tools | — | 2003-12-30 |