Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10267573 | Polyhedral array heat transfer tube | Liangyou Tang, James E. Bryan | 2019-04-23 |
| 6811398 | Handheld rinsing device | — | 2004-11-02 |
| 6182743 | Polyhedral array heat transfer tube | Liangyou Tang | 2001-02-06 |
| 6176301 | Heat transfer tube with crack-like cavities to enhance performance thereof | Liangyou Tang | 2001-01-23 |
| 5975196 | Heat transfer tube | Daniel P. Gaffaney, Steven J. Spencer, Hannu HEISKANEN, Gerald Lee Riggs, Edward G. Rottmann +1 more | 1999-11-02 |