Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9103453 | Valve shaft apparatus for use with rotary valves | David Anthony Arnold | 2015-08-11 |
| 8794589 | Actuator having an override apparatus | David Anthony Arnold, Michael W. McCarty | 2014-08-05 |
| 8662099 | Valve shaft apparatus for use with rotary valves | David Anthony Arnold | 2014-03-04 |
| 8544820 | Biasing apparatus for use with actuators | Douglas P. Gethmann, David Anthony Arnold | 2013-10-01 |
| 8122908 | Three-way valve with flow diverter | William E. Wears, Daniel M. Adams, Ross Arthur Schade | 2012-02-28 |
| 7410144 | Pivot and bearing assembly for a manual valve operator | Douglas P. Gethmann | 2008-08-12 |
| 7028712 | Skirt guided globe valve | William E. Wears | 2006-04-18 |