Assignee
PURIFI APS
DK·8 granted patents·5 citations·filing 2017–2021
Top patents by PatentIndex Score
8 records- 0182USD916053SPart of a loudspeakerPURIFI APS·Filed 2019·Granted Apr 13, 2021·3 cites·1 claims
- 0270US11258411B2Amplifier with an at least second order filter in the control loopPURIFI APS·Filed 2018·Granted Feb 22, 2022·2 cites·11 claims
- 0347US11082017B2Amplifier with a compensator with a network of at least third orderPURIFI APS·Filed 2018·Granted Aug 3, 2021·0 cites·13 claims
- 0444US12003935B2Loudspeaker with a non-uniform suspension and an enforcement elementPURIFI APS·Filed 2020·Granted Jun 4, 2024·0 cites·16 claims
- 0542US12425774B2Loudspeaker motor with inner permanent magnetPURIFI APS·Filed 2021·Granted Sep 23, 2025·0 cites·12 claims
- 0641US10728659B2Method of controlling loudspeaker diaphragm excursionPURIFI APS·Filed 2017·Granted Jul 28, 2020·0 cites·17 claims
- 0740US11956612B2Loudspeaker motor with improved linearityPURIFI APS·Filed 2020·Granted Apr 9, 2024·0 cites·15 claims
- 0838US11405007B2Amplifier circuitPURIFI APS·Filed 2018·Granted Aug 2, 2022·0 cites·13 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →