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: 157 117 910 patent documents

This week's update (12/07/2024 12:00 CET):

139 301 new documents added

1 340 825 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 0057006 B1 19860409 - ELECTRIC INCANDESCENT LAMP

Title (en)

ELECTRIC INCANDESCENT LAMP

Publication

EP 0057006 B1 19860409 (DE)

Application

EP 82100492 A 19820125

Priority

DE 3102434 A 19810126

Abstract (en)

[origin: EP0057006A2] 1. An electric incandescent lamp whose lead-in wires (12) are passed through conical bores (11) in the base insulation (10) and through openings (5) in the base contacts (1), the openings (5) comprising a raised rim (6), and are welded to the base contacts (1) thus hermetically sealing the openings (5), wherein the lead-in wires (12) of the lamp consist of molybdenum and the sealing of the base contact openings (5) is effected by molten base contact material.

IPC 1-7

H01K 1/46; H01J 5/62

IPC 8 full level

H01J 5/62 (2006.01); H01K 1/46 (2006.01); H01K 3/00 (2006.01)

CPC (source: EP)

H01J 5/62 (2013.01); H01K 1/46 (2013.01)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 0057006 A2 19820804; EP 0057006 A3 19830119; EP 0057006 B1 19860409; DE 3102434 A1 19820826; DE 3270341 D1 19860515; JP S57143260 A 19820904

DOCDB simple family (application)

EP 82100492 A 19820125; DE 3102434 A 19810126; DE 3270341 T 19820125; JP 771682 A 19820122