Inventor
GRIMES ROBERT E
US13 patents
⚠️ This page may combine multiple inventors who share the name “GRIMES ROBERT E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAKER HUGHES INC
9 patentsUS5479997AJan 2, 1996
Earth-boring bit with improved cutting structure
BAKER HUGHES INC139 citations99
US5467836ANov 21, 1995
Fixed cutter bit with shear cutting gage
BAKER HUGHES INC166 citations99
US5287936AFeb 22, 1994
Rolling cone bit with shear cutting gage
BAKER HUGHES INC123 citations98
US5542485AAug 6, 1996
Earth-boring bit with improved cutting structure
BAKER HUGHES INC68 citations96
US5351768AOct 4, 1994
Earth-boring bit with improved cutting structure
BAKER HUGHES INC100 citations96
US5323865AJun 28, 1994
Earth-boring bit with an advantageous insert cutting structure
BAKER HUGHES INC61 citations96
US5697462ADec 16, 1997
Earth-boring bit having improved cutting structure
BAKER HUGHES INC135 citations94
US6227314B1May 8, 2001
Inclined leg earth-boring bit
BAKER HUGHES INC20 citations89
US5979575ANov 9, 1999
Hybrid rock bit
BAKER HUGHES INC18 citations84