Inventor
SLAUGHTER JR ROBERT H
US22 patents
⚠️ This page may combine multiple inventors who share the name “SLAUGHTER JR ROBERT H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMITH INTERNATIONAL
18 patentsUS7137460B2Nov 21, 2006
Back reaming tool
SMITH INTERNATIONAL74 citations97
US5152194AOct 6, 1992
Hardfaced mill tooth rotary cone rock bit
SMITH INTERNATIONAL76 citations96
US6196339B1Mar 6, 2001
Dual-seal drill bit pressure communication system
SMITH INTERNATIONAL67 citations95
US6033117AMar 7, 2000
Sealed bearing drill bit with dual-seal configuration
SMITH INTERNATIONAL66 citations95
US6206110B1Mar 27, 2001
Protected lubricant reservoir with pressure control for sealed bearing earth boring drill bit
SMITH INTERNATIONAL65 citations94
US7210377B2May 1, 2007
Cone erosion protection for roller cone drill bits
SMITH INTERNATIONAL18 citations92
US6695079B2Feb 24, 2004
Dual-seal drill bit pressure communication system
SMITH INTERNATIONAL15 citations92
US6679342B2Jan 20, 2004
Dual-seal drill bit pressure communication system
SMITH INTERNATIONAL21 citations92
US6431293B1Aug 13, 2002
Dual-seal drill bit pressure communication system
SMITH INTERNATIONAL20 citations92
US6264367B1Jul 24, 2001
Dual-seal drill bit with fluid cleaning capability
SMITH INTERNATIONAL33 citations92
US6254275B1Jul 3, 2001
Sealed bearing drill bit with dual-seal configuration and fluid-cleaning capability
SMITH INTERNATIONAL49 citations92
US6296067B1Oct 2, 2001
Protected lubricant reservoir for sealed bearing earth boring drill bit
SMITH INTERNATIONAL26 citations91
US6408957B1Jun 25, 2002
Sealed bearing roller cone bit having anti-plugging device
SMITH INTERNATIONAL33 citations90
US6698098B2Mar 2, 2004
Cone erosion protection for roller cone drill bits
SMITH INTERNATIONAL13 citations84
US7237627B2Jul 3, 2007
Bearing and lubrication system for earth boring bit
SMITH INTERNATIONAL10 citations82
US6619412B2Sep 16, 2003
Protected lubricant reservoir for sealed earth boring drill bit
SMITH INTERNATIONAL18 citations82
US10364605B2Jul 30, 2019
Rotary percussive device
SMITH INTERNATIONAL0 citations52
US9416593B2Aug 16, 2016
Piston strike face and bit interface for percussion hammer drill
SMITH INTERNATIONAL0 citations45