Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7918354 | Container lifter being able to lift two 40 feet containers | — | 2011-04-05 |
| 7556161 | Lifting machinery of two reel differential type for two 40 feet container shore crane | Baohua Zhang | 2009-07-07 |
| 7494020 | Lifting machinery of four reel differential type for two 40 feet container shore crane | Baohua Zhang | 2009-02-24 |