Inventor · disambiguated record
Donald J. North
Also filed as: NORTH DONALD · NORTH DONALD J · NORTH DONALD JACK
9 granted patents·3 pending applications·204 citations·filing 2000–2021
88Inventor score
Top patents by PatentIndex Score
12 records- 0195US8175304B1Compact loudspeaker systemNORTH DONALD J·Filed 2008·Granted May 8, 2012·107 cites·24 claims
- 0293US9197963B1Broad sound field loudspeaker systemAUDIO DESIGN EXPERTS INC·Filed 2015·Granted Nov 24, 2015·20 cites·9 claims
- 0386US6801631B1Speaker system with multiple transducers positioned in a plane for optimum acoustic radiation patternFiled 2000·Granted Oct 5, 2004·48 cites·16 claims
- 0470US6636612B1Speaker for use in confined spacesALGO SOUND INC·Filed 2000·Granted Oct 21, 2003·20 cites·17 claims
- 0567US8571252B2Driver assembly for loudspeakersNORTH DONALD J·Filed 2011·Granted Oct 29, 2013·3 cites·9 claims
- 0664US9369817B2Broad sound field loudspeaker systemAUDIO DESIGN EXPERTS INC·Filed 2013·Granted Jun 14, 2016·2 cites·4 claims
- 0759US8155372B2Wire suspension for speakersNORTH DONALD·Filed 2007·Granted Apr 10, 2012·3 cites·11 claims
- 0856US9288601B2Broad sound loudspeaker systemNORTH DONALD J·Filed 2013·Granted Mar 15, 2016·1 cites·12 claims
- 0954US2021206430A1Automated Steering Control Mechanism and System for Wheeled VehiclesEVA LLC·Filed 2021·Application pending·0 cites
- 1039US8804995B2Low profile loudspeakerNORTH DONALD J·Filed 2011·Granted Aug 12, 2014·0 cites·4 claims
- 1134US2003048918A1Installing a high fidelity sound, voice paging, or music system by mounting an electrical to acoustic transducer inside a wall mounted gang boxFiled 2001·Application pending·0 cites
- 1233US2016066098A1Compact, Wide-Frequency Range, Loudspeaker TransducerAUDIO DESIGN EXPERTS INC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →