Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10744473 | Dual grid catalyst basket and method of independently supporting primary and secondary catalysts | — | 2020-08-18 |
| 6991665 | Evertible filter wrap with straps | Frank Sequino, Rick Wells, Gary Clements | 2006-01-31 |
| 6877612 | Filter cartridge for use in severe environments | Rick Wells | 2005-04-12 |