Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9845971 | Stacking brackets and systems for rooftop HVAC units | Corrine Anne Hudson, Timothy Grant Weigel | 2017-12-19 |
| 9310089 | Variable speed motor control method and apparatus | Mark G. Beste, Brian R. Hudson, Roger C. Hundt, David Omlor, Stephen A. Walter | 2016-04-12 |
| 9272829 | Stacking bracket | Timothy Grant Weigel, Christopher Whitesides | 2016-03-01 |
| 9151535 | Stacking bracket | Timothy Grant Weigel, Christopher Whitesides | 2015-10-06 |
| 8880224 | Airflow managing system, a method of monitoring the airflow in an HVAC system and a HVAC system | Erroll Eaton, Mark D. Hess, Richard A. Mauk, Stephen A. Walter | 2014-11-04 |