Inventor
DENTON ROBERT
US30 patents
⚠️ This page may combine multiple inventors who share the name “DENTON ROBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMITH INTERNATIONAL
17 patentsUS6789634B1Sep 14, 2004
Self-lubricating elastomeric seal with polarized graphite
SMITH INTERNATIONAL146 citations99
US5456327AOct 10, 1995
O-ring seal for rock bit bearings
SMITH INTERNATIONAL111 citations97
US6196339B1Mar 6, 2001
Dual-seal drill bit pressure communication system
SMITH INTERNATIONAL67 citations95
US6123337ASep 26, 2000
Composite earth boring bit seal
SMITH INTERNATIONAL69 citations94
US7235211B2Jun 26, 2007
Rotary cone bit with functionally-engineered composite inserts
SMITH INTERNATIONAL29 citations93
US6571889B2Jun 3, 2003
Rotary cone bit with functionally-engineered composite inserts
SMITH INTERNATIONAL30 citations93
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
US6406030B1Jun 18, 2002
O-ring seal with lubricant additives for rock bit bearings
SMITH INTERNATIONAL28 citations92
US5323863AJun 28, 1994
O-ring seal for rock bit bearings
SMITH INTERNATIONAL28 citations92
US5842700ADec 1, 1998
Composite rock bit seal
SMITH INTERNATIONAL35 citations90
US7997358B2Aug 16, 2011
Bonding of cutters in diamond drill bits
SMITH INTERNATIONAL14 citations82
US7625521B2Dec 1, 2009
Bonding of cutters in drill bits
SMITH INTERNATIONAL15 citations82
US7229077B2Jun 12, 2007
Ordered elastomeric composite material
SMITH INTERNATIONAL7 citations69
US5152353AOct 6, 1992
High speed rock bit
SMITH INTERNATIONAL8 citations66
US7267183B2Sep 11, 2007
Drill bit lubricant with enhanced load carrying/anti wear properties
SMITH INTERNATIONAL2 citations62
VACUWORX GLOBAL LLC
5 patentsUS11078051B2Aug 3, 2021
Seal for a vacuum material lifter
VACUWORX GLOBAL LLC1 citations71
US9885419B2Feb 6, 2018
Seal for a vacuum material lifter
VACUWORX GLOBAL LLC2 citations69
USD1100406SOct 28, 2025
Vacuum pad seal for a vacuum material lifter
VACUWORX GLOBAL LLC0 citations60
US11519506B2Dec 6, 2022
Seal for a vacuum material lifter
VACUWORX GLOBAL LLC0 citations60
US10378652B2Aug 13, 2019
Seal for a vacuum material lifter
VACUWORX GLOBAL LLC0 citations48