Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8720995 | Foldable seat rack | Zhao Zhang | 2014-05-13 |
| 8684378 | Frame folding and adjustment mechanism and foldable motorized vehicle having same | Zhao Zhang | 2014-04-01 |
| 8511705 | Wheel automatic adjustment mechanism and foldable motorized vehicle having same | Zhao Zhang | 2013-08-20 |
| 8413753 | Foldable seat mounting rack and foldable motorized vehicle having same | Zhao Zhang | 2013-04-09 |
| 8414510 | Massage device with a massage head distance adjusting mechanism | Zhao Zhang | 2013-04-09 |
| 8388006 | Motorized vehicle with foldable frame and locking mechanism | Zhao Zhang | 2013-03-05 |
| 8388014 | Foldable motorized vehicle with frame connecting and frame locking mechanisms | Zhao Zhang | 2013-03-05 |
| 8381858 | Handlebar folding mechanism and foldable motorized vehicle having same | Zhao Zhang | 2013-02-26 |
| 8378612 | Control system and method of operating a massage device | — | 2013-02-19 |
| 8123708 | Massage device | Chi-Wu Chiang | 2012-02-28 |
| 8083698 | Massage device with a hoist transmission mechanism | Zhao Zhang, Chi-Wu Chiang | 2011-12-27 |
| 8083697 | Massage device with a threaded bolt transmission mechanism | Zhao Zhang, Chi-Wu Chiang | 2011-12-27 |
| 8070698 | Massage device with a shaft transmission mechanism | Zhao Zhang, Chi-Wu Chiang | 2011-12-06 |
| 8066652 | Massage device with a hoist transmission mechanism | Zhao Zhang, Chi-Wu Chiang | 2011-11-29 |
| 7963233 | Mouse pad having massage function | — | 2011-06-21 |
| 7880420 | Control system and method of massage machine | — | 2011-02-01 |
| 7744549 | Massage device | Chi-Wu Chiang | 2010-06-29 |
| 7613526 | Control system for a reciprocating object | — | 2009-11-03 |