Inventor · disambiguated record
John M. Elwell, Jr.
Also filed as: ELWELL JR JOHN M
10 granted patents·288 citations·filing 1979–2011
91Inventor score
Top patents by PatentIndex Score
10 records- 0189US6630904B2Deeply-integrated adaptive INS/GPS navigator with extended-range code trackingDRAPER LAB CHARLES S·Filed 2001·Granted Oct 7, 2003·76 cites·33 claims
- 0285US6693592B2Geographical navigation using multipath wireless navigation signalsDRAPER LAB CHARLES S·Filed 2001·Granted Feb 17, 2004·61 cites·31 claims
- 0382US8466835B2Systems and methods for clock correctionELWELL JR JOHN M·Filed 2011·Granted Jun 18, 2013·7 cites·27 claims
- 0477US6731237B2Deeply-integrated adaptive GPS-based navigator with extended-range code trackingDRAPER LAB CHARLES S·Filed 2001·Granted May 4, 2004·40 cites·82 claims
- 0577US6331835B1Deeply-integrated adaptive GPS-based navigator with extended-range code trackingDRAPER LAB CHARLES S·Filed 1999·Granted Dec 18, 2001·58 cites·101 claims
- 0676US7679561B2Systems and methods for positioning using multipath signalsDRAPER LAB CHARLES S·Filed 2006·Granted Mar 16, 2010·13 cites·14 claims
- 0775US8279119B2Systems and methods for transparency mapping using multipath signalsELWELL JR JOHN M·Filed 2008·Granted Oct 2, 2012·14 cites·31 claims
- 0866US7973716B2Systems and methods for transparency mapping using multipath signalsDRAPER LAB CHARLES S·Filed 2008·Granted Jul 5, 2011·6 cites·12 claims
- 0964US8563910B2Systems and methods for targeting a projectile payloadELWELL JR JOHN M·Filed 2010·Granted Oct 22, 2013·5 cites·24 claims
- 1042US4270044AOptical reference gyroDRAPER LAB CHARLES S·Filed 1979·Granted May 26, 1981·8 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →