Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10302229 | Adjustable suction pipe assembly with improved pressure activated seal | Hubert J. Bung, Donnie L. Baker | 2019-05-28 |
| 5251149 | Electronic nutating disc flow meter | Jeffrey J. Williams, Richard M. Kruse | 1993-10-05 |
| 4723478 | Series self-leveling valve | Robert M. Diel | 1988-02-09 |
| 4561342 | Series self-leveling valve | — | 1985-12-31 |