Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597985 | Acoustically inactive corrugated structure | Terrence A. Dear | 1997-01-28 |
| 5209259 | Fluid distribution system having noise reduction mechanism | Terrence A. Dear | 1993-05-11 |
| 5014816 | Silencer for gas induction and exhaust systems | Terrence A. Dear, Mark Elden Schuchardt | 1991-05-14 |
| 4832147 | Sound reduction membrane | Terrence A. Dear, Stephen P. Scheinberg | 1989-05-23 |
| 4418788 | Branch take-off and silencer for an air distribution system | Dimiter Gorchev, Herbert Willke | 1983-12-06 |
| 4360075 | Low back pressure exhaust silencer for diesel locomotives | Dwight A. Blaser, David J. Goding | 1982-11-23 |
| 4346781 | Lined-duct acoustic filter | William P. Patrick | 1982-08-31 |
| 4319521 | Air distribution system | Dimiter Gorchev, Herbert Willke | 1982-03-16 |
| 4313522 | Static pressure regain coupler for an air distribution system | Dimiter Gorchev | 1982-02-02 |
| 4295416 | Air distribution system | Dimiter Gorchev, Herbert Willke | 1981-10-20 |
| 4182430 | Branch take-off and silencer for an air distribution system | Dimiter Gorchev | 1980-01-08 |