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: 158 251 954 patent documents

This week's update (30/08/2024 12:00 CET):

170 720 new documents added

1 828 765 documents amended

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EP 3935658 A1 20220112 - CHARGE NEUTRALIZING APPARATUS

Title (en)

CHARGE NEUTRALIZING APPARATUS

Title (de)

LADUNGSNEUTRALISIERUNGSVORRICHTUNG

Title (fr)

APPAREIL DE NEUTRALISATION DE CHARGE

Publication

EP 3935658 A1 20220112 (EN)

Application

EP 20706508 A 20200225

Priority

EP 19160472 A 20190304
EP 2020054842 W 20200225

Abstract (en)

[origin: WO2020178068A1] This invention relates to a charge neutralizing apparatus for a processing chamber of an ion implantation device.

IPC 8 full level

H01J 37/04 (2006.01); H01J 37/09 (2006.01); H01J 37/30 (2006.01); H01J 37/32 (2006.01)

CPC (source: EP)

H01J 37/04 (2013.01); H01J 37/09 (2013.01); H01J 37/30 (2013.01); H01J 2237/0041 (2013.01)

Citation (search report)

See references of WO 2020178068A1

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

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2020178068 A1 20200910; WO 2020178068 A9 20210701; EP 3935658 A1 20220112; TW 202103201 A 20210116

DOCDB simple family (application)

EP 2020054842 W 20200225; EP 20706508 A 20200225; TW 109107137 A 20200304