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US Patent 11863932 Sound-absorbing material and speaker using same

Overview Structured Data Issues Contributors

Is a

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Date Filed

December 27, 2021

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Date of Patent

January 2, 2024

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Patent Application Number

17563018

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Patent Citations

US Patent 11488570 Sound adsorbing material and speaker box

1

US Patent 11570544 Sound-absorbing material, preparation method thereof and speaker using same

1

US Patent 7448467 Acoustic enclosures

1

US Patent 7743877 Speaker system

1

US Patent 7953240 Loudspeaker apparatus

1

US Patent 8184826 Speaker system

1

US Patent 8265330 Material for speaker device and speaker device using it

1

US Patent 8630435 Apparatus incorporating an adsorbent material, and methods of making same

1

US Patent 8794373 Three-dimensional air-adsorbing structure

1

US Patent 8885863 Loudspeaker device

1

•••

Patent Inventor Names

Hezhi Wang

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

1

Patent Primary Examiner

Edgardo San Martin

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CPC Code

1

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