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Current content: 156 978 933 patent documents

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169 914 new documents added

2 331 667 documents amended

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EP 1594200 B1 20071121 - Spark plug

Title (en)

Spark plug

Title (de)

Zündkerze

Title (fr)

Bougie d'allumage

Publication

EP 1594200 B1 20071121 (DE)

Application

EP 05001211 A 20050121

Priority

DE 102004021876 A 20040504

Abstract (en)

[origin: EP1594200A1] Spark plug comprises an electrode body (4) with a precious metal coating (5a, 5b) on a front side and on the surface facing the tip of the middle electrode (2).

IPC 8 full level

H01T 13/32 (2006.01); H01T 13/39 (2006.01)

CPC (source: EP)

H01T 13/32 (2013.01); H01T 13/39 (2013.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1594200 A1 20051109; EP 1594200 B1 20071121; DE 102004021876 B3 20060119; DE 502005002017 D1 20080103; ES 2293394 T3 20080316

DOCDB simple family (application)

EP 05001211 A 20050121; DE 102004021876 A 20040504; DE 502005002017 T 20050121; ES 05001211 T 20050121