Inventor
WALKER JR WILLIAM J
US32 patents
⚠️ This page may combine multiple inventors who share the name “WALKER JR WILLIAM J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FEDERAL MOGUL IGNITION CO
8 patentsUS8044561B2Oct 25, 2011
Ceramic electrode, ignition device therewith and methods of construction thereof
FEDERAL MOGUL IGNITION CO8 citations84
US7944135B2May 17, 2011
Spark plug and methods of construction thereof
FEDERAL MOGUL IGNITION CO7 citations84
US9219351B2Dec 22, 2015
Spark plug with ceramic electrode tip
FEDERAL MOGUL IGNITION CO5 citations73
US9054502B1Jun 9, 2015
Ceramic for ignition device insulator with low relative permittivity
FEDERAL MOGUL IGNITION CO3 citations62
US8053966B2Nov 8, 2011
Ceramic spark plug insulator and method of making
FEDERAL MOGUL IGNITION CO6 citations62
US8933617B2Jan 13, 2015
Spark plug with ceramic electrode tip
FEDERAL MOGUL IGNITION CO0 citations52
US8901805B2Dec 2, 2014
Ceramic electrode, ignition device therewith and methods of construction thereof
FEDERAL MOGUL IGNITION CO0 citations52
US9231381B2Jan 5, 2016
Ceramic electrode including a perovskite or spinel structure for an ignition device and method of manufacturing
FEDERAL MOGUL IGNITION CO0 citations42
FEDERAL MOGUL WORLD WIDE INC
5 patentsUS7169723B2Jan 30, 2007
Ceramic with improved high temperature electrical properties for use as a spark plug insulator
FEDERAL MOGUL WORLD WIDE INC22 citations92
US7799717B2Sep 21, 2010
Spark plug having a ceramic insulator with improved high temperature electrical properties
FEDERAL MOGUL WORLD WIDE INC9 citations84
US7598661B2Oct 6, 2009
Spark plug
FEDERAL MOGUL WORLD WIDE INC7 citations74
US7607206B2Oct 27, 2009
Method for forming layered heating element for glow plug
FEDERAL MOGUL WORLD WIDE INC6 citations73
US7572480B2Aug 11, 2009
Method of fabricating a multilayer ceramic heating element
FEDERAL MOGUL WORLD WIDE INC3 citations61
FEDERAL-MOGUL IGNITION COMPANY
4 patentsUS9698573B2Jul 4, 2017
Extruded insulator for spark plug and method of making the same
FEDERAL-MOGUL IGNITION COMPANY2 citations73
US9407069B2Aug 2, 2016
Spark plug with improved seal
FEDERAL-MOGUL IGNITION COMPANY3 citations70
US9751797B2Sep 5, 2017
Corona ignition device with improved seal
FEDERAL-MOGUL IGNITION COMPANY2 citations69
US9685767B2Jun 20, 2017
Corona ignition device with improved seal
FEDERAL-MOGUL IGNITION COMPANY2 citations69
FED MOGUL IGNITION CO
4 patentsUS7816845B2Oct 19, 2010
Ceramic electrode and ignition device therewith
FED MOGUL IGNITION CO2 citations62
US10270226B2Apr 23, 2019
Extruded insulator for spark plug and method of making the same
FED MOGUL IGNITION CO0 citations52
US9893495B2Feb 13, 2018
Spark plug with improved seal
FED MOGUL IGNITION CO0 citations49
US10177539B2Jan 8, 2019
Method and tooling for making an insulator for a condition sensing spark plug
FED MOGUL IGNITION CO0 citations42
WALKER JR WILLIAM J
4 patentsUS8471450B2Jun 25, 2013
Ceramic electrode, ignition device therewith and methods of construction thereof
WALKER JR WILLIAM J2 citations61
US8079136B2Dec 20, 2011
Method for forming layered heating element for glow plug
WALKER JR WILLIAM J4 citations60
US8614541B2Dec 24, 2013
Spark plug with ceramic electrode tip
WALKER JR WILLIAM J1 citations51
US8410403B2Apr 2, 2013
Glow plug with improved seal, heater probe assembly therefor and method of construction thereof
WALKER JR WILLIAM J0 citations51