Electric lamp and discharge devices – Spark plugs – Shaped electrode chamber – insulator end – shell skirt – baffle...
Reexamination Certificate
2004-09-20
2008-08-05
Roy, Sikha (Department: 2879)
Electric lamp and discharge devices
Spark plugs
Shaped electrode chamber, insulator end, shell skirt, baffle...
C313S118000, C313S144000
Reexamination Certificate
active
07408293
ABSTRACT:
A spark plug, in particular for use in internal combustion engines, includes a spark plug casing and a ground electrode carrier casing. The ground electrode carrier casing has at least two ground electrode carrier casing portions having mutually different materials and/or the ground electrode carrier casing is of a different material from the spark plug casing.
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Egger Christoph
Francesconi Christian
GE Jenbacher GmbH & Co OHG
Roy Sikha
Walford Natalie K
Wenderoth , Lind & Ponack, L.L.P.
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