Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D886923 | Spinning wheel for exercise bikes | — | 2020-06-09 |
| 10384095 | Crank for exercise equipment which helps prevent injuries on a rider's ankle during an unexpected drop in speed and assists in avoiding stress on the knees of a rider during exercising | — | 2019-08-20 |
| 9884223 | Crank for exercise equipment which helps prevent injuries on a rider's ankle during an unexpected drop in speed and assists in avoiding stress on the knees of a rider during exercising | — | 2018-02-06 |
| 9861872 | Physical fitness exercise device which simulates horseback riding and also facilitates upper body and lower body exercise | — | 2018-01-09 |
| 9802098 | Physical fitness exercise device which simulates horseback riding and also facilitates upper body and lower body exercise | — | 2017-10-31 |
| 9616281 | Crank for exercise equipment which helps prevent injuries on a rider's ankle during an unexpected drop in speed and assists in avoiding stress on the knees of a rider during exercising | — | 2017-04-11 |
| 9561418 | Physical fitness device which simulates horseback riding and also facilitates upper body and lower body exercise | — | 2017-02-07 |
| 9474925 | Three-in-one exercise bicycle combining an upright bicycle and elliptical trainer with a recumbent bicycle | — | 2016-10-25 |
| 7951048 | Abdominal swiveling exercise machine combined with an elliptical trainer exercise machine, or skate simulation trainer, or exercise bicycle or recumbent bicycle | — | 2011-05-31 |
| 7857741 | Combination abdominal crunch and gravity inversion exercise machine | — | 2010-12-28 |
| D624613 | Skiing simulator | — | 2010-09-28 |
| D612898 | Casing for a stepper | — | 2010-03-30 |
| 7473210 | Apparatus to enable a user to simulate skating | — | 2009-01-06 |
| 7338414 | Apparatus to enable a user to simulate skating | — | 2008-03-04 |
| 7179212 | Omni-directional abdominal exerciser | Chin-Ta Lin | 2007-02-20 |
| D535710 | Skiing and skating trainer | — | 2007-01-23 |
| D521576 | Skiing and skating trainer | — | 2006-05-23 |
| 6976943 | Exercise apparatus | — | 2005-12-20 |
| D504711 | Clock face trampoline | — | 2005-05-03 |
| D459773 | Stepper with arm motion | — | 2002-07-02 |
| D459418 | Stepper without arm motion | — | 2002-06-25 |
| 6402633 | Golf swing training and exercising device | Yong S. Chu, John Phillips, Melvin Blackmon | 2002-06-11 |
| D438264 | Elliptical striding equipment | — | 2001-02-27 |
| D437908 | Boxing exercise apparatus | Yong S. Chu, Ray Smith | 2001-02-20 |