Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8631826 | Volume booster with stabilized trim | Michel K. Lovell, Ryan J. Jwanouskos, Gary L. Scott, Kenneth W. Junk | 2014-01-21 |
| 6991218 | Control valve with retained pin for easy valve trim maintenance | Michel K. Lovell, Alan D. Bremers, Michael M. Anderson | 2006-01-31 |
| 6905108 | Control valve flow adjustment device | Randy Hall, Ronald Burr, Brian J. Burlage, Carter B. Cartwright | 2005-06-14 |
| 6698449 | Replaceable valve seat ring with enhanced flow design | Randy Hall, Ronald Burr, Carl D. Miller | 2004-03-02 |
| 6695000 | Control valve pressure bleed inspection port | Randy Hall, Ronald Burr | 2004-02-24 |