Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8726920 | Telescopic tube structure for automatic umbrellas | — | 2014-05-20 |
| 8544485 | Structure of self-closing collapsible umbrella | — | 2013-10-01 |
| 8161988 | Central shaft control structure of self-opening/closing umbrella | — | 2012-04-24 |
| 7971595 | Central shaft control structure of self-opening/closing umbrella | — | 2011-07-05 |
| 7461667 | Rib structure of a two-layer cover umbrella | — | 2008-12-09 |
| 7281542 | Positioning structure for umbrella runner | — | 2007-10-16 |
| 7210490 | Super mini umbrella | — | 2007-05-01 |
| 7174906 | Foldable umbrella frame having six ribs | — | 2007-02-13 |
| D517307 | Flat umbrella shaft | — | 2006-03-21 |
| D512215 | Umbrella shaft having nine tubes | — | 2005-12-06 |
| 6918399 | Automatic umbrella | — | 2005-07-19 |
| D503035 | Umbrella shaft having seven tubes | — | 2005-03-22 |
| D487843 | Umbrella shaft | — | 2004-03-30 |
| 6539964 | Positioning structure of a manual folded umbrella | — | 2003-04-01 |
| D466280 | Umbrella shaft with five telescopic segments | — | 2002-12-03 |
| 6409284 | Connecting structure of a wheel of a golf carrier | — | 2002-06-25 |
| 6382222 | Safety locking mechanism used on umbrella rods | — | 2002-05-07 |
| 6345637 | Automatic opening wind resistant umbrella structure made of fiberglass reinforced plastics (FRP) | — | 2002-02-12 |
| 6336464 | Stretcher structure used for collapsible two-layer canopy wind resistant umbrellas | — | 2002-01-08 |
| 6230725 | Umbrella main stretcher formed of a carbon fiber rod and aluminum alloy portion | — | 2001-05-15 |
| 6173722 | Simplified pulling rope system used for multiple collapsible umbrellas | — | 2001-01-16 |
| 6164302 | Collapsing mechanism of automatic fourfold collapsible umbrella | — | 2000-12-26 |
| 6152464 | Locking mechanism of foldable golf carts | — | 2000-11-28 |
| 6145522 | Opening mechanism of quadruple collapsible umbrellas | — | 2000-11-14 |
| 6089244 | Windproof umbrella structure | — | 2000-07-18 |