Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10240609 | Screw pump and impeller fan assemblies and method of operating | Sukeyuki Kobayashi, Frank Leslie Sincox, III | 2019-03-26 |
| 9611947 | Valve assembly and method of controlling flow of fluid | Kevin P. Hallisey, Christopher Michael Dunn | 2017-04-04 |
| 9217436 | Impeller fan assembly | Sukeyuki Kobayashi, Frank Leslie Sincox, III | 2015-12-22 |
| 6942457 | Fan assembly and method | Donald R. Pennington | 2005-09-13 |
| 6814545 | Fan blade | Donald R. Pennington, Richard R. Shelby, Ling-Zhong Zeng | 2004-11-09 |