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: 161 109 020 patent documents

This week's update (17/01/2025 12:00 CET):

252 628 new documents added

3 070 833 documents amended

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EP 0972298 A1 20000119 - PRODUCING ELECTRIC ARC PLASMA IN A CURVILINEAR PLASMAGUIDE AND SUBSTRATE COATING

Title (en)

PRODUCING ELECTRIC ARC PLASMA IN A CURVILINEAR PLASMAGUIDE AND SUBSTRATE COATING

Title (de)

ERZEUGUNG EINES BOGENENTLADUNGSPLASMAS IN EINER KURVENFÖRMIGE PLASMAFÜHRUNG UND SUBSTRATBESCHICHTUNG

Title (fr)

PRODUCTION D'UN PLASMA PAR ARC ELECTRIQUE DANS UN GUIDE A PLASMA CURVILIGNE ET REVETEMENT DE SUBSTRAT

Publication

EP 0972298 A1 20000119 (EN)

Application

EP 97930908 A 19970404

Priority

CA 2284368 A 19990930
NO 994804 A 19991001
RU 9700106 W 19970404
US 38197199 A 19991004

IPC 1-7

H01J 37/32; H01J 37/36

IPC 8 full level

H01J 37/32 (2006.01); H01J 37/36 (2006.01)

IPC 8 main group level

H01J (2006.01)

CPC (source: EP)

H01J 37/32055 (2013.01); H01J 37/3266 (2013.01)

Citation (search report)

See references of WO 9845871A1

Designated contracting state (EPC)

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

DOCDB simple family (publication)

EP 0972298 A1 20000119; NO 994804 D0 19991001; NO 994804 L 19991203

DOCDB simple family (application)

EP 97930908 A 19970404; NO 994804 A 19991001