Composite ceramic electrode and ignition device therewith

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United States of America Patent

PATENT NO 8384279
SERIAL NO

13279862

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Abstract

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A spark plug, center electrode and method of construction is provided. The spark plug has a generally annular ceramic insulator and a conductive shell surrounding at least a portion of the ceramic insulator. A ground electrode is operatively attached to the shell, with the ground electrode having a ground electrode sparking surface. A center electrode has an elongate body with a center electrode sparking surface. The center electrode sparking surface and the ground electrode sparking surface provide a spark gap. The center electrode body is constructed of a composite material including at least one ceramic material.

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Patent Owner(s)

Patent OwnerAddress
FEDERAL-MOGUL IGNITION LLC27300 WEST 11 MILE ROAD SOUTHFIELD 48034

International Classification(s)

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  • 2011 Application Filing Year
  • H01T Class
  • 171 Applications Filed
  • 141 Patents Issued To-Date
  • 82.46 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20112012201320142015201620170255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lykowski, James D Temperance, US 79 685
Walker, William J Toledo, US 42 1503

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges235531101 - 1011 - 2021 - 3031 - 4051 - 6001020302.557.512.51517.522.52527.532.53537.5

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