Inventor
NERLICH ERNST-GUENTER
DE5 patents
Patents
5 patentsUS4900091AFeb 13, 1990
Electrohydraulic coal-mining system
BOCHUMER EISEN HEINTZMANN9 citations69
US4586424AMay 6, 1986
Hydraulic control arrangement
BOCHUMER EISEN HEINTZMANN4 citations57
US4225271ASep 30, 1980
Hydraulically operated mine roof support and a control arrangement thereof
BOCHUMER EISEN HEINTZMANN2 citations57
US4487531ADec 11, 1984
Travelling bracket
BOCHUMER EISEN HEINTZMANN0 citations47
US4755083AJul 5, 1988
Adjustable cap unit
BOCHUMER EISEN HEINTZMANN0 citations37