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Current content: 159 212 084 patent documents

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1 120 546 documents amended

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EP 0129077 A1 19841227 - Lightning arrester.

Title (en)

Lightning arrester.

Title (de)

Blitzableiter.

Title (fr)

Parafoudre.

Publication

EP 0129077 A1 19841227 (EN)

Application

EP 84105679 A 19840518

Priority

JP 10964383 A 19830617

Abstract (en)

The present invention is concerned with a lightning arrester in which characteristic elements are stacked in a plurality of numbers in series, each of said characteristic elements being chiefly composed of zinc oxide and having non-linear electric resistance relative to the voltage, wherein said characteristic elements establish an electric field of greater than 2000 V/cm for a current density of 0,1 mA/cm<2>.

IPC 1-7

H01C 7/12; H01C 7/10

IPC 8 full level

H01C 7/112 (2006.01); H01C 7/12 (2006.01); H01T 1/16 (2006.01)

CPC (source: EP)

H01C 7/112 (2013.01); H01C 7/12 (2013.01)

Citation (search report)

[Y] US 3881766 A 19750506 - PRATSCH RUDOLF
[Y] US 4184984 A 19800122 - LEVINSON LIONEL M [US]

Designated contracting state (EPC)

CH DE LI SE

DOCDB simple family (publication)

EP 0129077 A1 19841227; JP S601805 A 19850108

DOCDB simple family (application)

EP 84105679 A 19840518; JP 10964383 A 19830617