Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8544609 | Automated valve stem lubrication system | — | 2013-10-01 |
| 7909053 | Draining system for valve actuator/valve stem protector assemblies | — | 2011-03-22 |
| 7353835 | Valve stem protection system | — | 2008-04-08 |
| 6615156 | Abnormal state absolute position detector generating direct digital output | Gerald W. Scalf, Jason R. Lowery | 2003-09-02 |
| 6424928 | Absolute position detector interpreting abnormal states | Gerald W. Scalf, Jason R. Lowery | 2002-07-23 |