Inventor
ILLERHAUS ROLAND
US10 patents
⚠️ This page may combine multiple inventors who share the name “ILLERHAUS ROLAND”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAKER HUGHES INC
7 patentsUS6742611B1Jun 1, 2004
Laminated and composite impregnated cutting structures for drill bits
BAKER HUGHES INC217 citations98
US6321862B1Nov 27, 2001
Rotary drill bits for directional drilling employing tandem gage pad arrangement with cutting elements and up-drill capability
BAKER HUGHES INC84 citations97
US6230828B1May 15, 2001
Rotary drilling bits for directional drilling exhibiting variable weight-on-bit dependent cutting characteristics
BAKER HUGHES INC58 citations95
US7000715B2Feb 21, 2006
Rotary drill bits exhibiting cutting element placement for optimizing bit torque and cutter life
BAKER HUGHES INC50 citations92
US6443249B2Sep 3, 2002
Rotary drill bits for directional drilling exhibiting variable weight-on-bit dependent cutting characteristics
BAKER HUGHES INC33 citations92
US6006845ADec 28, 1999
Rotary drill bits for directional drilling employing tandem gage pad arrangement with reaming capability
BAKER HUGHES INC32 citations91
US6112836ASep 5, 2000
Rotary drill bits employing tandem gage pad arrangement
BAKER HUGHES INC16 citations83