Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8021126 | Compressor sound suppression | Vishnu M. Sishtla, Lee G. Tetu | 2011-09-20 |
| 7988427 | Compressor muffler | — | 2011-08-02 |
| 7469770 | Anechoic visco-thermal liner | — | 2008-12-30 |
| 7337875 | High admittance acoustic liner | William Proscia, Christopher Jones | 2008-03-04 |
| 6041125 | Active acoustic wall | Masaharu Nishimura, Keizo Ohnishi, Chiaki Yasuda, Shinichiro Kajii, Anthony Charles Zander | 2000-03-21 |
| 5892187 | Tunable recyclable headliner | — | 1999-04-06 |
| 5808243 | Multistage turbulence shield for microphones | Duane C. McCormick | 1998-09-15 |
| 5778081 | Active noise control using phased-array active resonators | — | 1998-07-07 |
| 5718573 | Flashback resistant burner | Brian A. Knight, Daniel J. Seery, Martin F. Zabielski | 1998-02-17 |
| 4346781 | Lined-duct acoustic filter | Karl U. Ingard | 1982-08-31 |