Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12375857 | Highly compliant miniature transducer | Lei Cheng, Andrew D. Munro | 2025-07-29 |
| 12010497 | Highly compliant miniature transducer | Lei Cheng, Andrew D. Munro | 2024-06-11 |
| 11729569 | Dimensional consistency of miniature loudspeakers | — | 2023-08-15 |
| 11353084 | Rotary actuator driven vibration isolation | Thomas C. Schroeder, Robert Preston Parker, Dariusz Antoni Bushko, Brian Alexander Selden, Brian Lucas | 2022-06-07 |
| 11297412 | Miniature moving coil loudspeaker with ferrofluid | Weidong Zhu, Csaba Guthy | 2022-04-05 |
| 10609489 | Fabricating an integrated loudspeaker piston and suspension | Csaba Guthy, Ole Mattis Nielsen | 2020-03-31 |
| 10412498 | Acoustic transducer with pivoted surround | Robert Preston Parker | 2019-09-10 |
| 10084410 | Moving magnet motor and transducer with moving magnet motor | Robert Preston Parker, Benjamin G. K. Peterson, Joseph R. Maurer | 2018-09-25 |
| 9680352 | Convection cooling system for motors | Thomas G. Andrikowich, Christopher A. Pare | 2017-06-13 |
| 9291300 | Rotary actuator driven vibration isolation | Robert Preston Parker, Thomas C. Schroeder, Dariusz Antoni Bushko, Brian Alexander Selden, Brian Lucas | 2016-03-22 |
| 8973886 | Actuator including mechanism for converting rotary motion to linear motion | John J. Breen | 2015-03-10 |
| 8360387 | Actuator including mechanism for converting rotary motion to linear motion | John J. Breen | 2013-01-29 |
| 7965010 | Linear motor with patterned magnet arrays | Thomas A. Froeschle, Stephen J. Maguire, Richard Tucker Carlmark, Rajiv Suri | 2011-06-21 |
| 4716930 | Pneumatic time delay valve | Martin R. Richmond | 1988-01-05 |
| 4646644 | Pneumatic time delay valve | Martin R. Richmond | 1987-03-03 |