Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8695643 | Lightweight high pressure repairable piston composite accumulator with slip flange | Allen R. Hansen | 2014-04-15 |
| 7984731 | Lightweight high pressure repairable piston tie rod composite accumulator | Allen R. Hansen | 2011-07-26 |
| 6460571 | Crimped piston/membrane accumulator | Allen R. Hansen | 2002-10-08 |