Inventor · disambiguated record
Hilmar Lehnert
Also filed as: LEHNERT HILMAR
81 granted patents·11 pending applications·1,937 citations·filing 1999–2025
99Inventor score
Top patents by PatentIndex Score
92 records- 0199US9538305B2Calibration error conditionsSONOS INC·Filed 2015·Granted Jan 3, 2017·127 cites·20 claims
- 0298US11523206B2Wireless earbud chargingSONOS INC·Filed 2020·Granted Dec 6, 2022·8 cites·22 claims
- 0398US11496848B2Thermal control of audio playback devicesSONOS INC·Filed 2021·Granted Nov 8, 2022·6 cites·19 claims
- 0498US9516440B2Providing a multi-channel and a multi-zone audio environmentSONOS INC·Filed 2012·Granted Dec 6, 2016·22 cites·31 claims
- 0598US8265310B2Multi-element directional acoustic arraysBERARDI WILLIAM·Filed 2010·Granted Sep 11, 2012·290 cites·15 claims
- 0698US7483540B2Automatic audio system equalizingBOSE CORP·Filed 2002·Granted Jan 27, 2009·349 cites·35 claims
- 0797USD815062SMedia playerSONOS INC·Filed 2016·Granted Apr 10, 2018·29 cites·1 claims
- 0897US8620006B2Center channel renderingBERARDI WILLIAM·Filed 2009·Granted Dec 31, 2013·287 cites·16 claims
- 0997US8139774B2Multi-element directional acoustic arraysBERARDI WILLIAM·Filed 2010·Granted Mar 20, 2012·296 cites·20 claims
- 1096US11910147B2Wireless earbud chargingSONOS INC·Filed 2022·Granted Feb 20, 2024·3 cites·20 claims
- 1196US11356764B2Dynamic earbud profileSONOS INC·Filed 2021·Granted Jun 7, 2022·3 cites·20 claims
- 1296US9628911B2Automatic audio system equalizingRABINOWITZ WILLIAM M·Filed 2011·Granted Apr 18, 2017·27 cites·8 claims
- 1395US11792589B2Thermal control of audio playback devicesSONOS INC·Filed 2022·Granted Oct 17, 2023·2 cites·20 claims
- 1495USD921611SMedia playerSONOS INC·Filed 2018·Granted Jun 8, 2021·12 cites·1 claims
- 1595USD806678SPlayback deviceSONOS INC·Filed 2016·Granted Jan 2, 2018·42 cites·1 claims
- 1695US9769580B2Automatic audio system equalizingRABINOWITZ WILLIAM M·Filed 2011·Granted Sep 19, 2017·23 cites·14 claims
- 1794USD759629SPlayback deviceSONOS INC·Filed 2014·Granted Jun 21, 2016·54 cites·1 claims
- 1893US11974106B2Array augmentation for audio playback devicesSONOS INC·Filed 2021·Granted Apr 30, 2024·2 cites·17 claims
- 1993USD768602SPlayback deviceSONOS INC·Filed 2015·Granted Oct 11, 2016·39 cites·1 claims
- 2093USD721352SPlayback deviceKUSANO MIEKO·Filed 2012·Granted Jan 20, 2015·60 cites·1 claims
- 2192US12425758B2Wireless earbud chargingSONOS INC·Filed 2024·Granted Sep 23, 2025·1 cites·18 claims
- 2292US10671042B2Remote command learningSONOS INC·Filed 2019·Granted Jun 2, 2020·5 cites·20 claims
- 2391US11922955B2Multichannel playback devices and associated systems and methodsSONOS INC·Filed 2021·Granted Mar 5, 2024·2 cites·17 claims
- 2491US2025358569A1Audio Generation in a Media Playback SystemSONOS INC·Filed 2025·Application pending·0 cites
- 2590US8150047B2Automatic audio system equalizingRABINOWITZ WILLIAM M·Filed 2007·Granted Apr 3, 2012·13 cites·3 claims
- 2689US10499152B2Automatic audio system equalizingBOSE CORP·Filed 2018·Granted Dec 3, 2019·4 cites·22 claims
- 2789US9609433B2Automatic audio system equalizingBOSE CORP·Filed 2016·Granted Mar 28, 2017·4 cites·29 claims
- 2888US8351621B2System and method for excursion limitingBOSE CORP·Filed 2010·Granted Jan 8, 2013·11 cites·20 claims
- 2987US10051393B2Automatic audio system equalizingBOSE CORP·Filed 2016·Granted Aug 14, 2018·3 cites·27 claims
- 3087US7319767B2Line array electroacoustical transducingBOSE CORP·Filed 2003·Granted Jan 15, 2008·41 cites·36 claims
- 3186US12200453B2Audio generation in a media playback systemSONOS INC·Filed 2024·Granted Jan 14, 2025·0 cites·29 claims
- 3285USD855587SPlayback deviceSONOS INC·Filed 2017·Granted Aug 6, 2019·17 cites·1 claims
- 3385USD842271SPlayback deviceSONOS INC·Filed 2016·Granted Mar 5, 2019·21 cites·1 claims
- 3485US9354677B2Speaker coolingSONOS INC·Filed 2013·Granted May 31, 2016·6 cites·21 claims
- 3584US7382888B2Phase shifting audio signal combiningBOSE CORP·Filed 2000·Granted Jun 3, 2008·32 cites·23 claims
- 3683US12375849B2Audio generation in a media playback systemSONOS INC·Filed 2023·Granted Jul 29, 2025·0 cites·22 claims
- 3783US9936294B2Automatic audio system equalizingBOSE CORP·Filed 2016·Granted Apr 3, 2018·2 cites·24 claims
- 3883US9678712B2Remote command learningSONOS INC·Filed 2016·Granted Jun 13, 2017·2 cites·20 claims
- 3983US2025193571A1Dynamic Earbud ProfileSONOS INC·Filed 2024·Application pending·0 cites
- 4081USD906284SPlayback deviceSONOS INC·Filed 2019·Granted Dec 29, 2020·14 cites·1 claims
- 4181US2025240596A1Systems and Methods of Adjusting Bass Levels of Multi-Channel Audio SignalsSONOS INC·Filed 2024·Application pending·0 cites
- 4280US12256200B2Thermal control of audio playback devicesSONOS INC·Filed 2023·Granted Mar 18, 2025·0 cites·20 claims
- 4380US12101591B2Dynamic earbud profileSONOS INC·Filed 2023·Granted Sep 24, 2024·0 cites·20 claims
- 4480US8553894B2Active and passive directional acoustic radiatingBERARDI WILLIAM·Filed 2010·Granted Oct 8, 2013·7 cites·27 claims
- 4580US2025273223A1Multichannel playback devices and associated systems and methodsSONOS INC·Filed 2025·Application pending·0 cites
- 4679US12490041B2Sum-difference arrays for audio playback devicesSONOS INC·Filed 2024·Granted Dec 2, 2025·0 cites·20 claims
- 4778US12432512B2Providing a multi-channel and a multi-zone audio environmentSONOS INC·Filed 2022·Granted Sep 30, 2025·0 cites·20 claims
- 4878US11818558B2Audio generation in a media playback systemSONOS INC·Filed 2022·Granted Nov 14, 2023·0 cites·20 claims
- 4977US12170885B2Systems and methods of adjusting bass levels of multi-channel audio signalsSONOS INC·Filed 2023·Granted Dec 17, 2024·0 cites·20 claims
- 5076US12250528B2Array augmentation for audio playback devicesSONOS INC·Filed 2024·Granted Mar 11, 2025·0 cites·20 claims
Showing the top 50 of 92 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →