Inventor · disambiguated record
John W. Duddles
Also filed as: DUDDLES JOHN · DUDDLES JOHN W
6 granted patents·65 citations·filing 2001–2006
81Inventor score
Files withBORGWARNER INC6
Top patents by PatentIndex Score
6 records- 0188US7607638B2EGR valve having rest positionBORGWARNER INC·Filed 2006·Granted Oct 27, 2009·19 cites·17 claims
- 0283US6683429B2Electric positional actuatorBORGWARNER INC·Filed 2002·Granted Jan 27, 2004·28 cites·25 claims
- 0367US6543413B2Short runner valve plate and shaft biasing lubricationBORGWARNER INC·Filed 2001·Granted Apr 8, 2003·14 cites·27 claims
- 0449US7570046B2Single sensing multiple output systemBORGWARNER INC·Filed 2003·Granted Aug 4, 2009·4 cites·31 claims
- 0538US7100569B2Method of providing shaft biasing lubrication for a short runner valve shaftBORGWARNER INC·Filed 2005·Granted Sep 5, 2006·0 cites·8 claims
- 0626US6854180B2Method of providing shaft biasing lubrication for a short runner valve shaftBORGWARNER INC·Filed 2003·Granted Feb 15, 2005·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →