Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10696139 | Return air intake grille de-icing method | — | 2020-06-30 |
| 10465675 | Fluid valve | James P. Crolius | 2019-11-05 |
| 10228172 | Refrigerant level monitor for refrigeration system | Martin O. Johnsen, Jason Scarcella | 2019-03-12 |
| 8016071 | Multi-stage low pressure drop muffler | Ferdy Martinus, Gang Wang, Brad A. Boecker, William B. Rockwood | 2011-09-13 |