Assignee
HERSH ACOUSTICAL ENGINEERING I
US·2 granted patents·137 citations·filing 1997–1997
Top patents by PatentIndex Score
2 records- 0182US5979593AHybrid mode-scattering/sound-absorbing segmented liner system and methodHERSH ACOUSTICAL ENGINEERING I·Filed 1997·Granted Nov 9, 1999·72 cites·30 claims
- 0277US6201872B1Active control source cancellation and active control Helmholtz resonator absorption of axial fan rotor-stator interaction noiseHERSH ACOUSTICAL ENGINEERING I·Filed 1997·Granted Mar 13, 2001·65 cites·17 claims
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