P

Inventor

AMLING FRIEDEL

DE6 patents
⚠️ This page may combine multiple inventors who share the name “AMLING FRIEDEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BOCHUMER EISEN HEINTZMANN

5 patents
US4610424ASep 9, 1986

Shut-off valve

BOCHUMER EISEN HEINTZMANN28 citations91
US4640650AFeb 3, 1987

Hydraulically operated unit for roof support

BOCHUMER EISEN HEINTZMANN8 citations72
US5144275ASep 1, 1992

Positioning cylinder, especially for subterranean mining

BOCHUMER EISEN HEINTZMANN9 citations70
US6267211B1Jul 31, 2001

Drive unit for machinery, especially mining machinery

BOCHUMER EISEN HEINTZMANN9 citations66
US5895097AApr 20, 1999

Continuously operating mining machine for simultaneous excavation and conveying of coal

BOCHUMER EISEN HEINTZMANN3 citations61

ROCHUMER EISEN HEINTZMANN

1 patent
US4572480AFeb 25, 1986

Hydraulic prop

ROCHUMER EISEN HEINTZMANN5 citations56