Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7434205 | Virtual type interpretation, interaction and detection | Shawn K. Steenhagen, Jerry J. Trantow | 2008-10-07 |
| 6540816 | Regenerable filter with localized and efficient heating | Barry M. Verdegan, Murray R. Schukar, William C. Haberkamp, C. Raymond Cheng, Matthew P. Henrichsen | 2003-04-01 |
| 5715320 | Active adaptive selective control system | Larry J. Eriksson, Charles W. Brokish | 1998-02-03 |
| 5627747 | System for developing and operating an active sound and vibration control system | Douglas E. Melton, James E. Allard, Brian Finn, Jerry J. Trantow, Steven Popovich +2 more | 1997-05-06 |
| 5586189 | Active adaptive control system with spectral leak | Steven Popovich | 1996-12-17 |
| 5396561 | Active acoustic attenuation and spectral shaping system | Steven Popovich | 1995-03-07 |
| 5386477 | Active acoustic control system matching model reference | Steven Popovich, Trevor A. Laak | 1995-01-31 |
| 5206911 | Correlated active attenuation system with error and correction signal input | Larry J. Eriksson | 1993-04-27 |
| 5172416 | Active attenuation system with specified output acoustic wave | Larry J. Eriksson, Cary D. Bremigan | 1992-12-15 |
| 5033082 | Communication system with active noise cancellation | Larry J. Eriksson | 1991-07-16 |
| 5022082 | Active acoustic attenuation system with reduced convergence time | Larry J. Eriksson | 1991-06-04 |
| 4903249 | Rigid foraminous microphone probe for acoustic measurement in turbulent flow | Richard H. Hoops, Larry J. Eriksson | 1990-02-20 |
| 4837834 | Active acoustic attenuation system with differential filtering | — | 1989-06-06 |
| 4815139 | Active acoustic attenuation system for higher order mode non-uniform sound field in a duct | Larry J. Eriksson, Richard H. Hoops | 1989-03-21 |
| 4811309 | Microphone probe for acoustic measurement in turbulent flow | Larry J. Eriksson, Richard H. Hoops | 1989-03-07 |
| 4736431 | Active attenuation system with increased dynamic range | Geoffrey S. Bailey | 1988-04-05 |
| 4665549 | Hybrid active silencer | Larry J. Eriksson, Richard H. Hoops | 1987-05-12 |