Aurabeat Patents

Patent portfolio assigned to Aurabeat (verified via public assignee records). Estimated patent count: 4. Antiviral/acoustic air-filtration hardware (Hong Kong). Client logos from own site. Patents confirmed: assignee 'Aurabeat Holdings Limited' on US10159925B2, US11383192B2, US20170197171A1, EP3192580A1 (acoustic-aided air filter family); estimate ~4.