Inventor · disambiguated record
Charles M. Sprinkle
Also filed as: SPRINKLE CHARLES · SPRINKLE CHARLES M
16 granted patents·2 pending applications·125 citations·filing 2004–2018
93Inventor score
Technology areasH04R
Top patents by PatentIndex Score
18 records- 0192US9924249B2Loudspeaker hornHARMAN INT IND·Filed 2016·Granted Mar 20, 2018·10 cites·14 claims
- 0290US9693141B2Fluted and elongated aperture for acoustic transducerHARMAN INT IND·Filed 2015·Granted Jun 27, 2017·9 cites·20 claims
- 0385US7840018B2In-wall sub-woofer system with high-volume displacementHARMAN INT IND·Filed 2006·Granted Nov 23, 2010·15 cites·6 claims
- 0481US8224014B2Loudspeaker mounting assemblySPRINKLE CHARLES M·Filed 2007·Granted Jul 17, 2012·11 cites·30 claims
- 0574US8477966B2In-wall sub-woofer with high-volume displacementPRENTA TIMOTHY·Filed 2010·Granted Jul 2, 2013·6 cites·9 claims
- 0670USD796472SLoudspeakerHARMAN INT IND·Filed 2015·Granted Sep 5, 2017·11 cites·1 claims
- 0769USD783570SAcoustical horn of a loudspeakerHARMAN INT IND·Filed 2015·Granted Apr 11, 2017·11 cites·1 claims
- 0868US9386361B2Loudspeaker hornHARMAN INT IND·Filed 2013·Granted Jul 5, 2016·2 cites·20 claims
- 0968US7412065B2Acoustic transducer with folded diaphragmHARMAN INT IND·Filed 2004·Granted Aug 12, 2008·13 cites·27 claims
- 1064US7450729B2Low-profile transducerHARMAN INT IND·Filed 2004·Granted Nov 11, 2008·11 cites·42 claims
- 1163US9591397B2Loudspeaker mounting assemblyHARMAN INT IND·Filed 2014·Granted Mar 7, 2017·1 cites·26 claims
- 1260US7333620B2Acoustic transducer with mechanical balancingHARMAN INT IND·Filed 2004·Granted Feb 19, 2008·8 cites·20 claims
- 1359USD724569STransducer coverHARMAN INT IND·Filed 2014·Granted Mar 17, 2015·10 cites·1 claims
- 1452US11218826B2Apparatus and method for speaker tuning and automatic digital signal processing configurationHARMAN INT IND·Filed 2018·Granted Jan 4, 2022·0 cites·20 claims
- 1551US2013022229A1Loudspeaker mounting assemblyHARMAN INT IND·Filed 2012·Application pending·0 cites
- 1648USD542780SFront portion of diaphragmHARMAN INT IND·Filed 2005·Granted May 15, 2007·7 cites·1 claims
- 1737US2017055067A1Thin high performance constant directivity waveguide and speakerHARMAN INT IND·Filed 2016·Application pending·0 cites
- 1829USD538791SFront portion of diaphragmHARMAN INT IND·Filed 2005·Granted Mar 20, 2007·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →