Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12276430 | HVAC equipment screening systems | Peter R. Fervoy, Howard S. Hoffman, Cyril Silberman | 2025-04-15 |
| 11460215 | Pre-insulated ductwork railing technology | Sterling P. Minter | 2022-10-04 |
| 10895399 | Pre-insulated ductwork railing technology | Ryne Richard Sullivan | 2021-01-19 |
| 10648694 | Multi-tube offset pre-insulated HVAC ducting technology | Sterling P. Minter | 2020-05-12 |
| 10234168 | Multi-tube offset pre-insulated HVAC ducting technology | Sterling P. Minter | 2019-03-19 |