Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10526816 | Door lock having locking mechanism | Yu Lin | 2020-01-07 |
| 9303433 | Transmission mechanism of a lock assembly | Chia-Min Sun, Yu-Ting Huang | 2016-04-05 |
| 8813530 | Push-button type cylinder lock assembly | Chia-Min Sun, Yu-Ting Huang, Song-Gen Shyu, Ching-Chuan Kuo | 2014-08-26 |
| 8584495 | Exchangeable cylinder lock assembly | Kuang-I LIAO | 2013-11-19 |
| 8490445 | Electric door lock | Chia-Min Sun, Yu-Ting Huang, Yu Lin | 2013-07-23 |
| 8291733 | Electric door lock | Chia-Min Sun, Yu-Ting Huang, Yu Lin | 2012-10-23 |
| 6109080 | Transmission devices for locks with changeable lock core assemblies | Po-Yang Chen, Sheen-Youl Gao, Kun-Feng Tsai | 2000-08-29 |
| 5927777 | Lock set with improved spindle construction | Ching-Chuan Kuo, Cheng-Wen Lai, Rong-Faa Wu, Po-Yang Chen | 1999-07-27 |
| 5788296 | Lock set with improved spindle construction | Ching-Chuan Kuo, Cheng-Wen Lai, Rong-Faa Wu, Po-Yang Chen | 1998-08-04 |
| 5624141 | Lock assembly for retracting a door latch | Ching-Chuan Kuo, Tong-Pei Wu, Sheen-Youl Gao | 1997-04-29 |
| 5562317 | Inner handle assembly of cylinder lock | Ching-Chuan Kuo, Cheng-Wen Lai | 1996-10-08 |
| 5551736 | Dual backset deadbolt assembly for a cylinder lock | Yaw-Shin Fann, Ching-Chuan Kuo | 1996-09-03 |
| 5551264 | Door lock having a deadbolt assembly with a low-cost corrosion-resistant bolt member | Yaw-Shin Fann, San-Yi Lin, Ching-Chuan Kuo, Lan-Kun Don | 1996-09-03 |
| 5301526 | Lock set with improved spindle mechanism | Yaw-Shin Fann, San-Yi Lin, Rong-Faa Wu, Ching-Chuan Kuo | 1994-04-12 |
| 5103661 | Mechanical code lock | Yaw-Shin Fann | 1992-04-14 |
| 5083823 | Latch bolt operating device with lever handles and improved privacy lock mechanism | Yaw-Shin Fann | 1992-01-28 |
| 5074605 | Duplex latch-bolt mechanism | Yaw-Shin Fann, San-Yi Lin, Ching-Chuan Kuo | 1991-12-24 |
| 5067758 | Lock handle assembly with limited angular movement | Yaw-Shin Fann, Ching-Chuan Kuo | 1991-11-26 |