Inventor
BOHNES KARLHEINZ
21 patents
⚠️ This page may combine multiple inventors who share the name “BOHNES KARLHEINZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BOCHUMER EISEN HEINTZMANN
19 patentsUS4255071AMar 10, 1981
Supporting of excavation roofs
BOCHUMER EISEN HEINTZMANN54 citations96
US4440526AApr 3, 1984
Rock anchoring arrangement
BOCHUMER EISEN HEINTZMANN33 citations92
US4610424ASep 9, 1986
Shut-off valve
BOCHUMER EISEN HEINTZMANN28 citations91
US4277204AJul 7, 1981
Excavation roof support and method of installing the same
BOCHUMER EISEN HEINTZMANN34 citations90
US4332512AJun 1, 1982
Arrangement for erecting columnar supporting elements for underground excavations
BOCHUMER EISEN HEINTZMANN19 citations73
US4185873AJan 29, 1980
Machine for mechanically advancing clean cut underground mining galleries of various profiles
BOCHUMER EISEN HEINTZMANN15 citations73
US4640650AFeb 3, 1987
Hydraulically operated unit for roof support
BOCHUMER EISEN HEINTZMANN8 citations72
US4465404AAug 14, 1984
Wall element for an underground gallery
BOCHUMER EISEN HEINTZMANN17 citations72
US4094153AJun 13, 1978
Breast roof support system for longwall mining
BOCHUMER EISEN HEINTZMANN13 citations72
US4576524AMar 18, 1986
Rock anchor arrangement
BOCHUMER EISEN HEINTZMANN14 citations71
US4077670AMar 7, 1978
Method and apparatus for advancing and supporting an underground mine gallery
BOCHUMER EISEN HEINTZMANN14 citations69
US4094154AJun 13, 1978
Roof prop apparatus and method for longwall mining
BOCHUMER EISEN HEINTZMANN4 citations61
US4437562AMar 20, 1984
Chain bucket conveyor
BOCHUMER EISEN HEINTZMANN6 citations60
US4183700AJan 15, 1980
Walking mine support
BOCHUMER EISEN HEINTZMANN4 citations57
US4620748ANov 4, 1986
Method of and arrangement for loosening, loading and transporting of stratified minerals in underground elongated front longwalls
BOCHUMER EISEN HEINTZMANN1 citations50
US4175891ANov 27, 1979
Auxiliary walking mine support
BOCHUMER EISEN HEINTZMANN0 citations47
US4630973ADec 23, 1986
Peripherally flexible prop arch for mining tracks, tunnels or the like
BOCHUMER EISEN HEINTZMANN0 citations40
US4586530AMay 6, 1986
Arrangement for supplying of consumers with pressure fluids
BOCHUMER EISEN HEINTZMANN0 citations36
US4602896AJul 29, 1986
Clamping connection device for flanged through sections of support structures
BOCHUMER EISEN HEINTZMANN0 citations34