Inventor
LEHNERT HILMAR
US81 patents
⚠️ This page may combine multiple inventors who share the name “LEHNERT HILMAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONOS INC
31 patentsUS9538305B2Jan 3, 2017
Calibration error conditions
SONOS INC127 citations99
USD806678SJan 2, 2018
Playback device
SONOS INC42 citations97
USD768602SOct 11, 2016
Playback device
SONOS INC39 citations97
USD759629SJun 21, 2016
Playback device
SONOS INC54 citations97
USD855587SAug 6, 2019
Playback device
SONOS INC17 citations94
USD815062SApr 10, 2018
Media player
SONOS INC29 citations94
USD906284SDec 29, 2020
Playback device
SONOS INC14 citations93
USD842271SMar 5, 2019
Playback device
SONOS INC21 citations93
US9516440B2Dec 6, 2016
Providing a multi-channel and a multi-zone audio environment
SONOS INC22 citations92
US11523206B2Dec 6, 2022
Wireless earbud charging
SONOS INC8 citations86
US11496848B2Nov 8, 2022
Thermal control of audio playback devices
SONOS INC6 citations86
USD921611SJun 8, 2021
Media player
SONOS INC12 citations85
USD934199SOct 26, 2021
Playback device
SONOS INC3 citations84
US10671042B2Jun 2, 2020
Remote command learning
SONOS INC5 citations84
US9354677B2May 31, 2016
Speaker cooling
SONOS INC6 citations84
USD746258SDec 29, 2015
Speaker panel for a playback device
SONOS INC4 citations84
US11910147B2Feb 20, 2024
Wireless earbud charging
SONOS INC3 citations75
USD1043613SSep 24, 2024
Media player
SONOS INC3 citations74
US11974106B2Apr 30, 2024
Array augmentation for audio playback devices
SONOS INC2 citations73
US11792589B2Oct 17, 2023
Thermal control of audio playback devices
SONOS INC2 citations73
US11356764B2Jun 7, 2022
Dynamic earbud profile
SONOS INC3 citations73
US10721575B2Jul 21, 2020
Providing a multi-channel and a multi-zone audio environment
SONOS INC1 citations73
USD864909SOct 29, 2019
Speaker panel for a playback device
SONOS INC2 citations73
US9952576B2Apr 24, 2018
Methods and apparatus to learn and share remote commands
SONOS INC2 citations73
US9678712B2Jun 13, 2017
Remote command learning
SONOS INC2 citations73
US11922955B2Mar 5, 2024
Multichannel playback devices and associated systems and methods
SONOS INC2 citations72
US12425758B2Sep 23, 2025
Wireless earbud charging
SONOS INC1 citations64
US12101591B2Sep 24, 2024
Dynamic earbud profile
SONOS INC0 citations63
US11825262B2Nov 21, 2023
Dynamic earbud profile
SONOS INC0 citations63
US9973851B2May 15, 2018
Multi-channel playback of audio content
SONOS INC1 citations63
US9781533B2Oct 3, 2017
Calibration error conditions
SONOS INC1 citations63
BOSE CORP
9 patentsUS7483540B2Jan 27, 2009
Automatic audio system equalizing
BOSE CORP349 citations98
US7382888B2Jun 3, 2008
Phase shifting audio signal combining
BOSE CORP32 citations92
US7016501B1Mar 21, 2006
Directional decoding
BOSE CORP25 citations92
US7319767B2Jan 15, 2008
Line array electroacoustical transducing
BOSE CORP41 citations89
US10499152B2Dec 3, 2019
Automatic audio system equalizing
BOSE CORP4 citations83
US10051393B2Aug 14, 2018
Automatic audio system equalizing
BOSE CORP3 citations83
US9609433B2Mar 28, 2017
Automatic audio system equalizing
BOSE CORP4 citations83
US8351621B2Jan 8, 2013
System and method for excursion limiting
BOSE CORP11 citations82
US9936294B2Apr 3, 2018
Automatic audio system equalizing
BOSE CORP2 citations72
BERARDI WILLIAM
4 patentsUS8265310B2Sep 11, 2012
Multi-element directional acoustic arrays
BERARDI WILLIAM290 citations98
US8620006B2Dec 31, 2013
Center channel rendering
BERARDI WILLIAM287 citations97
US8139774B2Mar 20, 2012
Multi-element directional acoustic arrays
BERARDI WILLIAM296 citations96
US8553894B2Oct 8, 2013
Active and passive directional acoustic radiating
BERARDI WILLIAM7 citations82
RABINOWITZ WILLIAM M
3 patentsKUSANO MIEKO
1 patentLEHNERT HILMAR
1 patentHENRICKSEN CLIFFORD A
1 patentShowing the top 50 of 81 patents by PatentIndex Score.