Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8695453 | Lockout devices for use with rotary actuators | Brandon Wayne Bell | 2014-04-15 |
| 7980530 | Packing nut for control valve | David John Koester, Jason Gene Olberding, Andrew John Kinser | 2011-07-19 |
| 7484710 | Fluid flow control valve with high temperature bi-directional shutoff | David John Koester, Sarah Lynn Dvorak, Brandon Wayne Bell, Ronald R. Brestel | 2009-02-03 |
| 7014170 | Seat ring for valves | William E. Wears | 2006-03-21 |
| 6974121 | Fluid flow control valve with bi-directional shutoff | David John Koester, Sarah Lynn Dvorak, Brandon Wayne Bell, Loree Lee Bovee, Gary Alan Witt | 2005-12-13 |
| 6827001 | Pressure actuator diaphragm casing with air passages | Chad Michael Engle | 2004-12-07 |
| 6789784 | Seat ring for valves | William E. Wears | 2004-09-14 |