Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5562124 | Steering control valve with different size flow gaps for noise suppression | Hermann W. Behrens, George M. Harpole, Jane M. Lin, Wendell L. Gilbert | 1996-10-08 |
| 5417244 | Valve with noise reducing two stage pressure drop | Herman W. Behrens, Wendell L. Gilbert, George M. Harpole, Jane M. Lin | 1995-05-23 |
| 5259413 | Steering control valve with contoured control surfaces | George M. Harpole, Hermann W. Behrens, Jane M. Lin | 1993-11-09 |
| 5207244 | Steering control valve with contoured control surfaces | Hermann W. Behrens, George M. Harpole, Jane M. Lin | 1993-05-04 |