Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6581676 | Rotor design with double seals for vertical air preheaters | Kurt M. Fierle | 2003-06-24 |
| 6345442 | Method of making rotor design with double seals for vertical air preheaters | Kurt M. Fierle | 2002-02-12 |
| 4789024 | Low profile element basket assembly with integral lifting means | — | 1988-12-06 |