Inventor

KROENINGER PETER

DE3 patents

⚠️ This page may combine multiple inventors who share the name “KROENINGER PETER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BOCHUMER EISEN HEINTZMANN

2 patents

US5624162AApr 29, 1997

Long-wall mining machine with a working chain

BOCHUMER EISEN HEINTZMANN48 citations87

US4487531ADec 11, 1984

Travelling bracket

BOCHUMER EISEN HEINTZMANN0 citations47

STREBTECHNIK BOCHUM GMBH & CO

1 patent

US5190414AMar 2, 1993

Walking prop for mine tunnels

STREBTECHNIK BOCHUM GMBH & CO8 citations64