Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7497337 | Apparatus for piercing garbage bags, washing materials released from the pierced garbage bags, and collecting nonrigid, elongate objects and powder | — | 2009-03-03 |
| 7416084 | Apparatus for piercing garbage bags and collecting nonrigid, elongate objects and powder | — | 2008-08-26 |
| 7017752 | Apparatus and method of separating small rubbish and organic matters from garbage for collection | — | 2006-03-28 |
| 7017753 | Apparatus and method of separating heavy materials in garbage from light ones and classifying the heavy garbage for collection | — | 2006-03-28 |
| 6994221 | Apparatus and method of separating plastic films from garbage for collection | — | 2006-02-07 |
| 6962255 | Apparatus and method of separating medium-sized materials from garbage for collection | — | 2005-11-08 |
| 6955265 | Apparatus of piercing garbage bags and classifying garbage | — | 2005-10-18 |
| 6193178 | Waste disposal apparatus | — | 2001-02-27 |
| 5819318 | Head covering with adjustable sunshade visor and inside ventilation | — | 1998-10-13 |
| 5813162 | Portable handsfree fishing rod supporting device | Meng Chin Tseng | 1998-09-29 |
| 5408760 | Air pumping and ventilating device for a shoe | Kuo-Neng Chien | 1995-04-25 |
| 5351432 | Float with light emitting devices | — | 1994-10-04 |