Inventor
WALZEL RODNEY B
US7 patents
⚠️ This page may combine multiple inventors who share the name “WALZEL RODNEY B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAKER HUGHES INC
5 patentsUS7096978B2Aug 29, 2006
Drill bits with reduced exposure of cutters
BAKER HUGHES INC109 citations98
US6779613B2Aug 24, 2004
Drill bits with controlled exposure of cutters
BAKER HUGHES INC118 citations98
US6460631B2Oct 8, 2002
Drill bits with reduced exposure of cutters
BAKER HUGHES INC161 citations98
US6935441B2Aug 30, 2005
Drill bits with reduced exposure of cutters
BAKER HUGHES INC65 citations95
US7814990B2Oct 19, 2010
Drilling apparatus with reduced exposure of cutters and methods of drilling
BAKER HUGHES INC16 citations92