Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8381871 | Compact low frequency resonator | Mark D. Hellie, Anthony C. Arruda, Joshua Alexander Sparks | 2013-02-26 |
| 7845466 | Sound generator with structurally and acoustically coupled sound radiation panel and method for manufacturing the same | John D. Kostun, Mark D. Hellie, Anthony C. Arruda, Martin James Styles | 2010-12-07 |
| 7690478 | Continuously variable tuned resonator | John D. Kostun, David J. Moenssen, Mark D. Hellie, Erich Vorenkamp | 2010-04-06 |
| 7337877 | Variable geometry resonator for acoustic control | Lakhi N. Goenka, David J. Moenssen, John D. Kostun | 2008-03-04 |
| 7225780 | Modular resonator | Roger Khami, Mark D. Hellie, William A. Rohrer, III, David J. Moenssen | 2007-06-05 |
| 7207310 | Noise attenuation device for an air induction system | James Bryan Bielicki | 2007-04-24 |
| 7117974 | Electronically controlled dual chamber variable resonator | David J. Moenssen, John D. Kostun, Lakhi N. Goenka | 2006-10-10 |
| 6824119 | Throttle plate having reduced air rush noise and method | David A. Conley, Stephen Hamby | 2004-11-30 |
| 6792907 | Helmholtz resonator | John D. Kostun, Lakhi N. Goenka, David J. Moenssen | 2004-09-21 |
| 6698390 | Variable tuned telescoping resonator | John D. Kostun, David J. Moenssen, Lakhi N. Goenka | 2004-03-02 |
| 6539917 | Idle air bypass valve acoustic diverter passage | James T. Dumas, James John Kempf | 2003-04-01 |