GPI coverage and content

You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 156 632 791 patent documents

This week's update (21/06/2024 12:00 CET):

121 162 new documents added

981 197 documents amended

GPI key values

Run regular monitoring (e.g. monthly or quarterly) of technical areas or companies

Use built-in charts to visualise technical trends and patenting activity of companies

Choose the data you want to see and download to focus on what you are interested in

Run data quality assessments to measure the risk of incomplete search results

EP 1005126 B1 20040811 - Spark plug

Title (en)

Spark plug

Title (de)

Zündkerze

Title (fr)

Bougie d'allumage

Publication

EP 1005126 B1 20040811 (DE)

Application

EP 99117056 A 19990830

Priority

DE 19854861 A 19981127

Abstract (en)

[origin: EP1005126A1] Spark plug electrode comprises a composite rod or double-tube with a sheath of precious metal and a core or inner layer of non-precious metal or vice-versa. An Independent claim is also included for a spark plug in which at least one of the electrodes has the above design.

IPC 1-7

H01T 13/39

IPC 8 full level

H01T 13/39 (2006.01)

CPC (source: EP)

H01T 13/39 (2013.01)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

EP 1005126 A1 20000531; EP 1005126 B1 20040811; AT E273579 T1 20040815; DE 19854861 A1 20000531; DE 59910188 D1 20040916; ES 2222642 T3 20050201

DOCDB simple family (application)

EP 99117056 A 19990830; AT 99117056 T 19990830; DE 19854861 A 19981127; DE 59910188 T 19990830; ES 99117056 T 19990830