Inventor
KRUGER VOLKER
DE8 patents
⚠️ This page may combine multiple inventors who share the name “KRUGER VOLKER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAKER HUGHES INC
3 patentsUS5679894AOct 21, 1997
Apparatus and method for drilling boreholes
BAKER HUGHES INC182 citations98
US5343967ASep 6, 1994
Apparatus for optional straight or directional drilling underground formations
BAKER HUGHES INC30 citations90
US5065826ANov 19, 1991
Apparatus for optional straight or directional drilling underground formations
BAKER HUGHES INC16 citations80
EASTMAN CHRISTENSEN CO
3 patentsUS4739842AApr 26, 1988
Apparatus for optional straight or directional drilling underground formations
EASTMAN CHRISTENSEN CO55 citations94
US4698794AOct 6, 1987
Device for remote transmission of information
EASTMAN CHRISTENSEN CO47 citations91
US4854401AAug 8, 1989
Drill bit direct drive for deep well drilling tools
EASTMAN CHRISTENSEN CO11 citations70