Inventor
LOCKWOOD GREGORY T
US30 patents
⚠️ This page may combine multiple inventors who share the name “LOCKWOOD GREGORY T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMITH INTERNATIONAL
12 patentsUS8342268B2Jan 1, 2013
Tough carbide bodies using encapsulated carbides
SMITH INTERNATIONAL18 citations92
US7878275B2Feb 1, 2011
Matrix bit bodies with multiple matrix materials
SMITH INTERNATIONAL16 citations92
US7475743B2Jan 13, 2009
High-strength, high-toughness matrix bit bodies
SMITH INTERNATIONAL40 citations92
US8020640B2Sep 20, 2011
Impregnated drill bits and methods of manufacturing the same
SMITH INTERNATIONAL20 citations91
US9683410B2Jun 20, 2017
Cutter assemblies, downhole tools incorporating such cutter assemblies and methods of making such downhole tools
SMITH INTERNATIONAL15 citations84
US8347990B2Jan 8, 2013
Matrix bit bodies with multiple matrix materials
SMITH INTERNATIONAL13 citations84
US7866419B2Jan 11, 2011
Diamond impregnated bits using a novel cutting structure
SMITH INTERNATIONAL13 citations84
US7666244B2Feb 23, 2010
Hardfacing milled-tooth drill bits using super dense carbide pellets
SMITH INTERNATIONAL18 citations84
US8381845B2Feb 26, 2013
Infiltrated carbide matrix bodies using metallic flakes
SMITH INTERNATIONAL3 citations63
US10737367B2Aug 11, 2020
Matrix tool bodies with erosion resistant and/or wear resistant matrix materials
SMITH INTERNATIONAL0 citations52
US8956438B2Feb 17, 2015
Low coefficient of thermal expansion cermet compositions
SMITH INTERNATIONAL0 citations52
US7845059B2Dec 7, 2010
Method of forming impregnated diamond cutting structures
SMITH INTERNATIONAL0 citations51
LOCKWOOD GREGORY T
9 patentsUS8056652B2Nov 15, 2011
Barrier coated granules for improved hardfacing material using atomic layer deposition
LOCKWOOD GREGORY T23 citations92
US8517125B2Aug 27, 2013
Impregnated material with variable erosion properties for rock drilling
LOCKWOOD GREGORY T12 citations83
US8100203B2Jan 24, 2012
Diamond impregnated bits and method of using and manufacturing the same
LOCKWOOD GREGORY T12 citations82
US8925422B2Jan 6, 2015
Method of manufacturing a drill bit
LOCKWOOD GREGORY T4 citations73
US8950518B2Feb 10, 2015
Matrix tool bodies with erosion resistant and/or wear resistant matrix materials
LOCKWOOD GREGORY T3 citations62
US8602129B2Dec 10, 2013
Matrix body fixed cutter bits
LOCKWOOD GREGORY T3 citations62
US9284788B2Mar 15, 2016
Diamond impregnated bits and method of using and manufacturing the same
LOCKWOOD GREGORY T2 citations60
US8590645B2Nov 26, 2013
Impregnated drill bits and methods of manufacturing the same
LOCKWOOD GREGORY T2 citations60
US8893828B2Nov 25, 2014
High strength infiltrated matrix body using fine grain dispersions
LOCKWOOD GREGORY T1 citations52