Assignee
Acoustic Metamaterials LLC
US·12 granted patents·1 pending application·35 citations·filing 2018–2023
Top patents by PatentIndex Score
13 records- 0197US11721314B2Methods and systems for modifying acoustics of a loudspeaker back enclosure using active noise controlAcoustic Metamaterials LLC·Filed 2021·Granted Aug 8, 2023·5 cites·12 claims
- 0297US11640816B1Metamaterial acoustic impedance matching device for headphone-type devicesAcoustic Metamaterials LLC·Filed 2022·Granted May 2, 2023·7 cites·15 claims
- 0396US11727909B1Meta material porous/poro-elastic sound absorbersAcoustic Metamaterials LLC·Filed 2022·Granted Aug 15, 2023·3 cites·10 claims
- 0496US11172288B1Methods and systems for modifying acoustics of a loudspeaker back enclosure using active noise controlAcoustic Metamaterials LLC·Filed 2021·Granted Nov 9, 2021·4 cites·12 claims
- 0596US10950212B1Acoustic meta material passive spiral audio amplifier and a method to make the sameAcoustic Metamaterials LLC·Filed 2020·Granted Mar 16, 2021·5 cites·12 claims
- 0691US11323798B1Metamaterial passive impedance matching device for a loudspeakerAcoustic Metamaterials LLC·Filed 2021·Granted May 3, 2022·2 cites·13 claims
- 0789US10701478B1Meta acoustic horn system for audio amplification and the method to make the sameAcoustic Metamaterials LLC·Filed 2019·Granted Jun 30, 2020·6 cites·18 claims
- 0879US10735851B2Passive acoustic meta material audio amplifier and the method to make the sameAcoustic Metamaterials LLC·Filed 2020·Granted Aug 4, 2020·1 cites·11 claims
- 0974US2023282195A1Methods and Systems for Modifying Acoustics of a Loudspeaker Back Enclosure Using Active Noise ControlAcoustic Metamaterials LLC·Filed 2023·Application pending·0 cites
- 1072US10616679B2Passive acoustic meta material audio amplifier and the method to make the sameAcoustic Metamaterials LLC·Filed 2019·Granted Apr 7, 2020·1 cites·6 claims
- 1170US11381905B2Passive acoustic meta material audio amplifier and the method to make the sameAcoustic Metamaterials LLC·Filed 2018·Granted Jul 5, 2022·1 cites·11 claims
- 1265US11443725B2Acoustic meta material passive spiral audio amplifier and a method to make the sameAcoustic Metamaterials LLC·Filed 2021·Granted Sep 13, 2022·0 cites·13 claims
- 1348US11289786B2Metamaterial loudspeaker diaphragmAcoustic Metamaterials LLC·Filed 2020·Granted Mar 29, 2022·0 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Acoustic Metamaterials LLC files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →