Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7353843 | Sequencing valve and hydronic system | James H. Meyer, GangFu Zhang | 2008-04-08 |
| 6983764 | Sequencing valve and hydronic system | James H. Meyer, GangFu Zhang | 2006-01-10 |
| 6390122 | Fluid flow control valve and orifice therefor | GangFu Zhang, James H. Meyer | 2002-05-21 |