Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12083824 | Caster with a breaking unit | — | 2024-09-10 |
| 11942418 | Semiconductor structure and method for making the same | Wei-Ken Lin | 2024-03-26 |
| 10913312 | Caster assembly | — | 2021-02-09 |
| D906792 | Wheel cover | — | 2021-01-05 |
| 10759221 | Caster device | — | 2020-09-01 |
| 9974390 | Armrest | — | 2018-05-22 |
| 9950563 | Wheel connecting device | — | 2018-04-24 |
| 9326607 | Rotatable armrest | — | 2016-05-03 |
| 9211762 | Castor with two braking functions | — | 2015-12-15 |
| 9139044 | Castor braking and stopping rotating simultaneously | — | 2015-09-22 |
| 8991007 | Double brake structure for caster wheel | — | 2015-03-31 |
| 8522397 | Castor that is controlled by a wire to brake and stop rotating simultaneously | — | 2013-09-03 |
| 8499413 | Castor braking and stopping rotating simultaneously | — | 2013-08-06 |
| 8407854 | Protective device for castor | — | 2013-04-02 |
| 8297563 | Lifting device for chair including force distributing pressing and locking sleeves | — | 2012-10-30 |
| D668943 | Chair castor | — | 2012-10-16 |
| D668944 | Chair castor | — | 2012-10-16 |
| 8128171 | Chair armrest assembly having adjustable height | — | 2012-03-06 |
| 8128172 | Chair armrest assembly having adjustable height | — | 2012-03-06 |
| 8128309 | Lifting device for the backrest of a chair | — | 2012-03-06 |
| D653480 | Leg swivel of a swivel chair | — | 2012-02-07 |
| 8104838 | Armrest assembly that can adjust its leftward and rightward positions | — | 2012-01-31 |
| 7937805 | Castor that is braked solidly and stably without producing vibration | — | 2011-05-10 |
| 7930802 | Castor that is braked solidly and stably without producing vibration | — | 2011-04-26 |
| 7896440 | Chair armrest having a height adjustable function | — | 2011-03-01 |