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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 0232468 B1 19900207 - CUTTER HEAD TOOTH

Title (en)

CUTTER HEAD TOOTH

Publication

EP 0232468 B1 19900207 (DE)

Application

EP 86114597 A 19861021

Priority

DE 3545018 A 19851219

Abstract (en)

[origin: EP0232468A1] 1. Pyramid shaped cutter head tooth (1) with square cross-section for a suction dredger, characterised in that groove shaped indentations (6) are arranged bordering the edges (5) of the surfaces (4) of the cutter head tooth (1).

IPC 1-7

E02F 9/28

IPC 8 full level

E02F 9/28 (2006.01)

CPC (source: EP)

E02F 9/2858 (2013.01); E02F 9/2866 (2013.01)

Designated contracting state (EPC)

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

DOCDB simple family (publication)

EP 0232468 A1 19870819; EP 0232468 B1 19900207; AT E50305 T1 19900215; DE 3545018 C1 19860828; DE 3668930 D1 19900315; ES 2013702 B3 19900601; GR 3000458 T3 19910628; JP H0436219 B2 19920615; JP S62146329 A 19870630

DOCDB simple family (application)

EP 86114597 A 19861021; AT 86114597 T 19861021; DE 3545018 A 19851219; DE 3668930 T 19861021; ES 86114597 T 19861021; GR 900400247 T 19900427; JP 29785486 A 19861216