Stephen C. Thompson has been granted 11 US patents while listed as an inventor at Knowles Electronics . The first was granted in 1986 and the most recent in November 2022. Stephen C. Thompson ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Stephen C. Thompson in Euclid, OH, US.
Patents per Year Patents granted per year, 1986 to 2022 Bar chart with a peak of 2 patents in 1986. peak 2 1986: 2 patents 1986 1991: 1 patents 1991 2003: 1 patents 2003 2006: 2 patents 2006 2008: 2 patents 2008 2013: 1 patents 2013 2020: 1 patents 2020 2022: 1 patents 2022
Issued Patents All Time
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Showing 1–11 of 11 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
11516597 Force feedback actuator for a MEMS transducer Mohsin Nawaz , Michael Syskind PEDERSEN , Peter V. Loeppert , Zouhair Sbiaa 2022-11-29
$4,539,000
10532299 Self-cleaning filter Jerome Prost , Hy Phan , Soufiane Halily 2020-01-14
$27,545,000
8385583 Methods and apparatus for reduced distortion balanced armature devices — 2013-02-26
7415125 Apparatus and method for creating acoustic energy in a receiver assembly with improved diaphragms-linkage arrangement Daniel Warren , David E. Schafer 2008-08-19
7336797 Apparatus and method for generating acoustic energy in a receiver assembly David E. Schafer , Daniel Warren 2008-02-26
7113604 Apparatus and method for matching the response of microphones in magnitude and phase — 2006-09-26
7065220 Microphone array having a second order directional pattern Daniel Warren 2006-06-20
6654468 Apparatus and method for matching the response of microphones in magnitude and phase — 2003-11-25
4996674 Double piston acoustic transducer with selectable directivity — 1991-02-26
$5,723,000
4633119 Broadband multi-resonant longitudinal vibrator transducer — 1986-12-30
$3,337,000
4604542 Broadband radial vibrator transducer with multiple resonant frequencies — 1986-08-05
$4,129,000
