Inventor
KELLERMANN HOLGER
DE2 patents
Patents
2 patentsUS7416369B2Aug 26, 2008
Timbering and walling control for controlling the movements of timbering and walling units in the coal face of a mine
TIEFENBACH CONTROL SYS GMBH5 citations53
US7455367B2Nov 25, 2008
Longwall support control for controlling the movements of longwall support units in the longwall of a mine
TIEFENBACH CONTROL SYS GMBH0 citations32