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US Patent 11870221 Spark plug and methods of manufacturing same

OverviewStructured DataIssuesContributorsActivity
Is a
Patent
Patent
0
Date Filed
September 19, 2022
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Date of Patent
January 9, 2024
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Patent Application Number
17947419
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Patent Citations
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US Patent 10586627 Spark plug
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US Patent 10637212 Method for manufacturing insulator for spark plug
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US Patent 7169723 Ceramic with improved high temperature electrical properties for use as a spark plug insulator
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US Patent 7250711 Spark plug with increased durability and carbon fouling resistance
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US Patent 7456122 Polycrystalline alumina articles
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US Patent 7598661 Spark plug
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US Patent 8278809 Spark plug with alumina-based insulator
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US Patent 8482187 Spark plug and process for producing spark plug
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US Patent 8564184 Spark plug and process for producing spark plug
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US Patent 8614542 Alumina ceramic for spark plug insulator
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•••
Patent Inventor Names
William J. Walker, Jr.
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
11870221
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Patent Primary Examiner
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Christopher M Raabe
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CPC Code
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H01T 13/38
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H01T 13/08
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H01T 13/22
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H01T 21/02
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