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Current content: 157 484 516 patent documents

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147 225 new documents added

921 612 documents amended

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EP 0295431 B1 19911227 - DEVICE FOR MODIFYING THE STATIC ELECTRIC POTENTIAL BY CORONA DISCHARGE OF A SURFACE MADE OF AN INSULATING MATERIAL OF A MOVED ELEMENT

Title (en)

DEVICE FOR MODIFYING THE STATIC ELECTRIC POTENTIAL BY CORONA DISCHARGE OF A SURFACE MADE OF AN INSULATING MATERIAL OF A MOVED ELEMENT

Publication

EP 0295431 B1 19911227 (DE)

Application

EP 88107681 A 19880513

Priority

DE 3730227 A 19870909
DE 3738279 A 19871111
DE 8708551 U 19870619

Abstract (en)

[origin: EP0295431A1] A corona electrode, used for the corona discharge, has fibres 68 of non-metallic, electrically conductive material. <IMAGE>

IPC 1-7

H01T 19/04; H05F 3/04

IPC 8 full level

H01T 19/00 (2006.01); H01T 19/04 (2006.01); H05F 3/04 (2006.01)

CPC (source: EP)

H01T 19/00 (2013.01); H01T 19/04 (2013.01); H05F 3/04 (2013.01)

Designated contracting state (EPC)

AT BE CH DE ES FR GB GR IT LI LU NL SE

DOCDB simple family (publication)

EP 0295431 A1 19881221; EP 0295431 B1 19911227; AT E70926 T1 19920115; DE 3867141 D1 19920206; ES 2029493 T3 19920816

DOCDB simple family (application)

EP 88107681 A 19880513; AT 88107681 T 19880513; DE 3867141 T 19880513; ES 88107681 T 19880513