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: 159 823 134 patent documents

This week's update (15/11/2024 12:00 CET):

143 307 new documents added

1 003 170 documents amended

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EP 3664216 C0 20231115 - ASYMMETRIC WAVEGUIDE

Title (en)

ASYMMETRIC WAVEGUIDE

Title (de)

ASYMMETRISCHER HOHLLEITER

Title (fr)

GUIDE CREUX ASYMÉTRIQUE

Publication

EP 3664216 C0 20231115 (DE)

Application

EP 18210487 A 20181205

Priority

EP 18210487 A 20181205

Abstract (en)

[origin: WO2020114992A1] The invention also relates to a hollow conductor. The hollow conductor can be used to guide electromagnetic waves. A cross-section of the hollow conductor is not point-symmetrical. An inner angle of the hollow conductor has a value of between 100° and 170°.

IPC 8 full level

H01P 3/123 (2006.01)

CPC (source: EP)

H01P 3/123 (2013.01)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Participating member state (EPC – UP)

AT BE BG DE DK EE FI FR IT LT LU LV MT NL PT SE SI

DOCDB simple family (publication)

EP 3664216 A1 20200610; EP 3664216 B1 20231115; EP 3664216 C0 20231115; ES 2969626 T3 20240521; WO 2020114992 A1 20200611

DOCDB simple family (application)

EP 18210487 A 20181205; EP 2019083375 W 20191203; ES 18210487 T 20181205