Inventor · disambiguated record
Richard E. Callahan
Also filed as: CALLAHAN RICHARD E
6 granted patents·87 citations·filing 1976–2009
83Inventor score
Files withCHAMPION SPARK PLUG CO2FEDERAL MOGUL WORLD WIDE INC2FEDERAL MOGUL IGNITION CO1MILLER KEVIN L1
Top patents by PatentIndex Score
6 records- 0192US7825573B214 mm extension spark plugFEDERAL MOGUL IGNITION CO·Filed 2008·Granted Nov 2, 2010·17 cites·20 claims
- 0284US4032842ASpark plug tester ignition systemCHAMPION SPARK PLUG CO·Filed 1976·Granted Jun 28, 1977·37 cites·10 claims
- 0369US7795791B2One piece shell high thread spark plugFEDERAL MOGUL WORLD WIDE INC·Filed 2007·Granted Sep 14, 2010·5 cites·22 claims
- 0467US4307689AGlow plug control circuitCHAMPION SPARK PLUG CO·Filed 1980·Granted Dec 29, 1981·22 cites·11 claims
- 0560US8164241B2Extension-type spark plugMILLER KEVIN L·Filed 2009·Granted Apr 24, 2012·3 cites·10 claims
- 0656US7768183B2Extension spark plugFEDERAL MOGUL WORLD WIDE INC·Filed 2006·Granted Aug 3, 2010·3 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →