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: 157 636 699 patent documents

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43 606 new documents added

1 129 815 documents amended

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EP 0298311 B1 19920115 - HIGH-FREQUENCY TRANSFORMER

Title (en)

HIGH-FREQUENCY TRANSFORMER

Publication

EP 0298311 B1 19920115 (DE)

Application

EP 88110036 A 19880623

Priority

DE 3721956 A 19870703

Abstract (en)

[origin: EP0298311A1] A radio-frequency transformer is described for the distribution and branching of broadcast and television frequencies, whose production can be fully automated both for conventional and surface mounting technology. <IMAGE>

IPC 1-7

H01F 15/10; H01F 19/04

IPC 8 full level

H01F 19/04 (2006.01); H01F 27/29 (2006.01)

CPC (source: EP)

H01F 19/04 (2013.01); H01F 27/29 (2013.01); H01F 2005/043 (2013.01); H01F 2005/046 (2013.01)

Designated contracting state (EPC)

AT FR GB IT SE

DOCDB simple family (publication)

EP 0298311 A1 19890111; EP 0298311 B1 19920115; AT E71767 T1 19920215; DE 3721956 A1 19890112; DE 3721956 C2 19951207

DOCDB simple family (application)

EP 88110036 A 19880623; AT 88110036 T 19880623; DE 3721956 A 19870703