Inventor
LOCKSTEDT ALAN W
US20 patents
⚠️ This page may combine multiple inventors who share the name “LOCKSTEDT ALAN W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMITH INTERNATIONAL
14 patentsUS6848521B2Feb 1, 2005
Cutting elements of gage row and first inner row of a drill bit
SMITH INTERNATIONAL49 citations96
US6640913B2Nov 4, 2003
Drill bit with canted gage insert
SMITH INTERNATIONAL42 citations96
US5131480AJul 21, 1992
Rotary cone milled tooth bit with heel row cutter inserts
SMITH INTERNATIONAL92 citations96
US8342268B2Jan 1, 2013
Tough carbide bodies using encapsulated carbides
SMITH INTERNATIONAL18 citations92
US7644786B2Jan 12, 2010
Diamond bit steel body cutter pocket protection
SMITH INTERNATIONAL17 citations92
US7367413B2May 6, 2008
Cutting elements of gage row and first inner row of a drill bit
SMITH INTERNATIONAL10 citations92
US5853055ADec 29, 1998
Rock bit with an extended center jet
SMITH INTERNATIONAL24 citations92
US7121365B2Oct 17, 2006
Rock bit with grease composition utilizing polarized graphite
SMITH INTERNATIONAL15 citations81
US4499642AFeb 19, 1985
Composite bearing
SMITH INTERNATIONAL21 citations78
US7124842B2Oct 24, 2006
Cutting elements of gage row and first inner row of a drill bit
SMITH INTERNATIONAL5 citations74
US9816328B2Nov 14, 2017
Friction welded heavy weight drill pipes
SMITH INTERNATIONAL2 citations71
US4486104ADec 4, 1984
Composite bearing
SMITH INTERNATIONAL16 citations69
US7743857B2Jun 29, 2010
Cutting elements of gage row and first inner row of a drill bit
SMITH INTERNATIONAL2 citations63
US7267183B2Sep 11, 2007
Drill bit lubricant with enhanced load carrying/anti wear properties
SMITH INTERNATIONAL2 citations62