EP 3530871 B1 20200923 - DEVICE FOR GENERATING OR EXTENDING A BOREHOLE
Title (en)
DEVICE FOR GENERATING OR EXTENDING A BOREHOLE
Title (de)
VORRICHTUNG ZUM ERZEUGEN ODER AUFWEITEN EINER ERDBOHRUNG
Title (fr)
DISPOSITIF DE PRODUCTION OU D'ÉLARGISSEMENT D'UN FORAGE DE SOL
Publication
Application
Priority
DE 102018104020 A 20180222
IPC 8 full level
E21B 7/28 (2006.01); E21B 7/04 (2006.01); E21B 21/08 (2006.01); E21B 44/00 (2006.01)
CPC (source: EP US)
E21B 7/046 (2013.01 - EP); E21B 7/28 (2013.01 - EP); E21B 21/08 (2013.01 - EP US); E21B 44/00 (2013.01 - EP)
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
DOCDB simple family (publication)
EP 3530871 A1 20190828; EP 3530871 B1 20200923; DE 102018104020 A1 20190822
DOCDB simple family (application)
EP 19157706 A 20190218; DE 102018104020 A 20180222