Inventor
KELLER RICHARD L
US16 patents
⚠️ This page may combine multiple inventors who share the name “KELLER RICHARD L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FEDERAL MOGUL IGNITION CO
7 patentsUS8569940B2Oct 29, 2013
Spark plug having ground electrode tip attached to free end surface of ground electrode
FEDERAL MOGUL IGNITION CO0 citations51
US9083156B2Jul 14, 2015
Electrode core material for spark plugs
FEDERAL MOGUL IGNITION CO0 citations50
US9130356B2Sep 8, 2015
Spark plug having a thin noble metal firing pad
FEDERAL MOGUL IGNITION CO1 citations48
US9041274B2May 26, 2015
Spark plug having firing pad
FEDERAL MOGUL IGNITION CO0 citations48
US9231379B2Jan 5, 2016
Spark plug having firing pad
FEDERAL MOGUL IGNITION CO0 citations39
US9368943B2Jun 14, 2016
Spark plug having multi-layer sparking component attached to ground electrode
FEDERAL MOGUL IGNITION CO0 citations38
US9318879B2Apr 19, 2016
Spark plug having firing pad
FEDERAL MOGUL IGNITION CO0 citations38