Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7418876 | Oscillatory motion based measurement method and sensor for measuring wall shear stress due to fluid flow | William D. Armstrong, Jonathan Naughton | 2008-09-02 |
| 6557576 | Apparatus and method of flow control through a valve | David E. Walrath, Robert K. Burgess | 2003-05-06 |
| 6279595 | Increased flow, split venturi valve system | David E. Walrath, Robert K. Burgess | 2001-08-28 |
| 6109293 | Split venturi, axially-rotated valve | David E. Walrath, Robert K. Burgess | 2000-08-29 |
| 6026845 | Flow, split Venturi, axially-rotated valve | David E. Walrath, Robert K. Burgess, James LaBelle | 2000-02-22 |