P

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 patents
US4255071AMar 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

WALTERSCHEID GMBH JEAN

1 patent

ROCHUMER EISEN HEINTZMANN

1 patent