Inventor
OLIVER MICHAEL S
US11 patents
⚠️ This page may combine multiple inventors who share the name “OLIVER MICHAEL S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMITH INTERNATIONAL
9 patentsUS5305837AApr 26, 1994
Air percussion drilling assembly for directional drilling applications
SMITH INTERNATIONAL94 citations94
US5853055ADec 29, 1998
Rock bit with an extended center jet
SMITH INTERNATIONAL24 citations92
US4711311ADec 8, 1987
Vibration and erosion resistant nozzle
SMITH INTERNATIONAL27 citations92
US4591008AMay 27, 1986
Lube reservoir protection for rock bits
SMITH INTERNATIONAL40 citations92
USRE36848ESep 5, 2000
Air percussion drilling assembly
SMITH INTERNATIONAL43 citations91
US5322136AJun 21, 1994
Air percussion drilling assembly
SMITH INTERNATIONAL48 citations91
USRE36166EMar 30, 1999
Air percussion drilling assembly for directional drilling applications
SMITH INTERNATIONAL25 citations90
US4687067AAug 18, 1987
Crossflow rotary cone rock bit with extended nozzles
SMITH INTERNATIONAL54 citations89
US5056610AOct 15, 1991
Shale diverting means for a sealed bearing drill bit
SMITH INTERNATIONAL21 citations78