Inventor · disambiguated record
D. Broadus Keele, Jr.
Also filed as: KEELE JR D B · KEELE JR D BROADUS
11 granted patents·298 citations·filing 1975–2018
92Inventor score
Files withHARMAN INT IND4PRESONUS AUDIO ELECTRONICS INC2ELECTRO VOICE1HUTT STEVEN W1JAMES B LANSING SOUND INC JBL1
Top patents by PatentIndex Score
11 records- 0191US7555081B2Log-sampled filter systemHARMAN INT IND·Filed 2005·Granted Jun 30, 2009·26 cites·44 claims
- 0291US4071112AHorn loudspeakerELECTRO VOICE·Filed 1975·Granted Jan 31, 1978·62 cites·17 claims
- 0390US8073156B2Vehicle loudspeaker arrayHUTT STEVEN W·Filed 2005·Granted Dec 6, 2011·32 cites·26 claims
- 0486US7684574B2Reflective loudspeaker arrayHARMAN INT IND·Filed 2006·Granted Mar 23, 2010·16 cites·32 claims
- 0584US4580655ADefined coverage loudspeaker hornJBL INC·Filed 1983·Granted Apr 8, 1986·47 cites·9 claims
- 0683US4308932ALoudspeaker hornJAMES B LANSING SOUND INC JBL·Filed 1980·Granted Jan 5, 1982·50 cites·14 claims
- 0781US7316290B2Acoustic lens systemHARMAN INT IND·Filed 2004·Granted Jan 8, 2008·27 cites·28 claims
- 0880US8170223B2Constant-beamwidth loudspeaker arrayKEELE JR D BROADUS·Filed 2010·Granted May 1, 2012·8 cites·30 claims
- 0975USD853983SSpeakerPRESONUS AUDIO ELECTRONICS INC·Filed 2017·Granted Jul 16, 2019·19 cites·1 claims
- 1067US7826622B2Constant-beamwidth loudspeaker arrayHARMAN INT IND·Filed 2003·Granted Nov 2, 2010·11 cites·41 claims
- 1147US10805719B2Constant-directivity two way wedge loudspeaker systemPRESONUS AUDIO ELECTRONICS INC·Filed 2018·Granted Oct 13, 2020·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →