Issued Patents All Time
Showing 25 most recent of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12054988 | Obstacle detection device and door operator system equipped with the same | — | 2024-08-06 |
| 12012796 | Door operator with an abnormal voltage protection function and method for protection of a door operator from an abnormal voltage | — | 2024-06-18 |
| 12015369 | Dual-voltage door operator control system | — | 2024-06-18 |
| 11913272 | Sectional lifting door system | — | 2024-02-27 |
| 11505985 | Device for releasing and resetting a fire and smoke barrier | — | 2022-11-22 |
| 11111723 | Door operator with high-speed operation and fire escape functions | — | 2021-09-07 |
| 10947771 | Control system for fire door and a door operator having the same | — | 2021-03-16 |
| 10676991 | Door curtain anti-dropping device having latching pin locking mechanism | — | 2020-06-09 |
| 10385612 | Door curtain anti-dropping device having latching pin locking mechanism | — | 2019-08-20 |
| 10202803 | Door operator having lock mechanism | — | 2019-02-12 |
| 9963934 | Device and method for controlling speed of rolling door | — | 2018-05-08 |
| 9587422 | Direction switchable ratchet device for door operator | — | 2017-03-07 |
| 9562385 | Door operator system capable of detecting a current-time position of a movable barrier | — | 2017-02-07 |
| 9518415 | Unidirectional centrifugal mechanism of door operator | — | 2016-12-13 |
| 9426378 | Electronic apparatus and adjustment method thereof | Hung-Chih Yang, Wei-Chih Liu, Yu-Chun Peng | 2016-08-23 |
| 9392184 | Electronic apparatus and adjustment method thereof | Hung-Chih Yang, Wei-Chih Liu, Yu-Chun Peng | 2016-07-12 |
| 9376864 | Door curtain anti-dropping device for electric rolling door | — | 2016-06-28 |
| 9288095 | Signal receiving system, band detection method for multi-carrier signal and demodulating apparatus thereof | Chih-Chun Feng, Yung-Hua Hung, Yuan-Hsin Chuang | 2016-03-15 |
| 9162094 | Door machine mechanism for rolling door having functions of fireproof, smokeproof, and fire escape | — | 2015-10-20 |
| 9137451 | Electronic apparatus and adjustment method thereof | Hung-Chih Yang, Wei-Chih Liu, Yu-Chun Peng | 2015-09-15 |
| 8985181 | Machine mechanism of a rolling door operator | — | 2015-03-24 |
| 8915287 | Chain drum locking mechanism for manual rolling door operator | — | 2014-12-23 |
| 8807294 | Brake release device attached to a door machine | — | 2014-08-19 |
| 8662140 | Composite pull-chain disc mechanism with brake function and electric door operator incorporated with this mechanism | — | 2014-03-04 |
| 8657096 | Door machine having chain disk locking mechanism | — | 2014-02-25 |