Inventor
DOMANSKI LOTHAR
DE7 patents
Patents
7 patentsUS5564867AOct 15, 1996
Resilienty compressible support column for use in a mine
BOCHUMER EISEN HEINTZMANN26 citations90
US4465404AAug 14, 1984
Wall element for an underground gallery
BOCHUMER EISEN HEINTZMANN17 citations72
US5484130AJan 16, 1996
Support column for use in a mine
BOCHUMER EISEN HEINTZMANN17 citations71
US5314161AMay 24, 1994
Mine prop
BOCHUMER EISEN HEINTZMANN14 citations71
US6921232B2Jul 26, 2005
Mine roof-support truss
BOCHUMER EISEN HEINTZMANN5 citations55
US4630973ADec 23, 1986
Peripherally flexible prop arch for mining tracks, tunnels or the like
BOCHUMER EISEN HEINTZMANN0 citations40
US4602896AJul 29, 1986
Clamping connection device for flanged through sections of support structures
BOCHUMER EISEN HEINTZMANN0 citations34