Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9759468 | System for controlling operation of an HVAC system having tandem compressors | Der-Kai Hung, Harold Gene Havard, Jr. | 2017-09-12 |
| 9692347 | Airflow-confirming HVAC systems and methods with variable speed blower | Der-Kai Hung, Harold Gene Havard, Jr., Steven C. Brown, Stephen A. Walter | 2017-06-27 |
| 9581371 | System for operating an HVAC system having tandem compressors | Der-Kai Hung, Harold Gene Havard, Jr. | 2017-02-28 |