Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6619568 | Material dispersing device and method | David Joseph Hanlin | 2003-09-16 |
| 5607626 | Spring assisted multi-nozzle desuperheater | Allan K. Shea, Richard F. Kuntz | 1997-03-04 |
| 4712768 | Quarter turn valve | Leroy E. Herr, Allan K. Shea | 1987-12-15 |
| 4557463 | Erosion resistant soft seated valve trim | Dale S. Tripp | 1985-12-10 |