US Patent 7781949 Spark plug
Patent 7781949 was granted and assigned to NGK SPARK PLUG CO on August, 2010 by the United States Patent and Trademark Office.
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Patent abstract
A spark plug including a ground electrode which has an excellent heat sinking ability. The ground electrode includes a core material therein. Heat received from a combustion chamber during a drive of an internal-combustion engine can be conducted to the core material. More effective heat sinking ability can be achieved because of the core material.
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US Patent 07781949 Spark plug US Patent 7781949 Spark plug
Infobox
Patent Number
0778194900
Patent Number
778194900
Edits on 28 Mar, 2023
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
077819490
Date of Patent
August 24, 2010
0Patent Application Number
119413040
Date Filed
November 16, 2007
0Official Website
Patent Primary Examiner
Edits on 25 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
077819490
Date of Patent
August 24, 2010
0Patent Application Number
119413040
Date Filed
November 16, 2007
0Official Website
Patent Primary Examiner
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US Patent 07781949 Spark plug
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07781949
Date of patent
August 24, 2010
Patent application number
11941304
Date Filed
November 16, 2007
Patent primary examiner
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