Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8306064 | System and method for extending communication protocols | — | 2012-11-06 |
| 8091373 | Method of twinning air conditioning units | Gordon Jeffrey Hugghins | 2012-01-10 |
| 7975494 | Control system interface with display for air conditioning apparatus | Robert W. Helt, Gordon Jeffrey Hugghins, Carl L. Garrett, Daniel John Blair, Robert G. Royoroft +1 more | 2011-07-12 |
| 7664575 | Contingency mode operating method for air conditioning system | Gordon Jeffrey Hugghins | 2010-02-16 |
| 7351274 | Air filtration system control | Robert W. Helt, Stephen J. Vendt, J. Mark Hagan | 2008-04-01 |