Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6756713 | Insulated stator core with attachment features | Kris D. Diehl, William E. Anstine | 2004-06-29 |
| 5591017 | Motorized impeller assembly | — | 1997-01-07 |
| 5108199 | Motor bearing system | — | 1992-04-28 |
| 5040943 | Furnace blower housing and mounting bracket | Michael P. Conner | 1991-08-20 |