Issued Patents 2023
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11759742 | Air intake filter assemblies with actuatable filter slats for heating, ventilation, and/or air conditioning (HVAC) systems | Zhiwei Huang | 2023-09-19 |
| 11754331 | Divider panel for HVAC system | Curtis W. Caskey, Roderick Ray Sentz, Zhiwei Huang, Gregory Ulizio | 2023-09-12 |
| 11732924 | Air intake filter assemblies with a multi-level fine filter for heating, ventilation, and/or air conditioning (HVAC) systems | Zhiwei Huang | 2023-08-22 |
| 11674741 | Drain spout for drain of HVAC system | John L. McElvany | 2023-06-13 |
| 11674740 | Drain pan for HVAC system | John L. McElvany | 2023-06-13 |
| 11635214 | Base pan for HVAC system | Anthony J. Reardon, Hector I. Grajales Torres | 2023-04-25 |
| 11542723 | Convertible access panel latch assembly | John L. McElvany | 2023-01-03 |