Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11905965 | Fan wheel systems and methods | Luis L. Vargas, Arshad Abdul Quader Shaikh, Anup T. Kole | 2024-02-20 |
| 10989206 | Control system hub for blower controls | Jeffery F. Kallenberger, James L. E. Meats, William S. Hohulin, Robert A. Valbracht | 2021-04-27 |
| 8579602 | Isolated de-coupling of fan drive in exhaust assembly | Nicholas T. Bouray, Bradley F. Skidmore | 2013-11-12 |
| 8052386 | Mixed flow roof exhaust fan | Erich R. Fitzpatrick, Robert A. Valbracht | 2011-11-08 |
| 6648511 | Electric motor bearing system and journal | Michael D. Smith, Jack D. Rinehart, William A. Ziegler | 2003-11-18 |