Inventor
MASSEY ALAN J
US24 patents
⚠️ This page may combine multiple inventors who share the name “MASSEY ALAN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAKER HUGHES INC
18 patentsUS5492186AFeb 20, 1996
Steel tooth bit with a bi-metallic gage hardfacing
BAKER HUGHES INC172 citations99
US5663512ASep 2, 1997
Hardfacing composition for earth-boring bits
BAKER HUGHES INC163 citations97
US6248149B1Jun 19, 2001
Hardfacing composition for earth-boring bits using macrocrystalline tungsten carbide and spherical cast carbide
BAKER HUGHES INC81 citations96
USRE37127EApr 10, 2001
Hardfacing composition for earth-boring bits
BAKER HUGHES INC81 citations95
US6360832B1Mar 26, 2002
Hardfacing with multiple grade layers
BAKER HUGHES INC62 citations93
US7472764B2Jan 6, 2009
Rotary drill bit shank, rotary drill bits so equipped, and methods of manufacture
BAKER HUGHES INC15 citations91
US6253862B1Jul 3, 2001
Earth-boring bit with cutter spear point hardfacing
BAKER HUGHES INC18 citations82
US8969754B2Mar 3, 2015
Methods for automated application of hardfacing material to drill bits
BAKER HUGHES INC5 citations81
US8355815B2Jan 15, 2013
Methods, systems, and devices for manipulating cutting elements for earth-boring drill bits and tools
BAKER HUGHES INC9 citations79
US6923276B2Aug 2, 2005
Streamlined mill-toothed cone for earth boring bit
BAKER HUGHES INC11 citations73
US7861806B2Jan 4, 2011
Shank structure for rotary drill bits
BAKER HUGHES INC3 citations61
US7600589B2Oct 13, 2009
Rotary drill bits
BAKER HUGHES INC2 citations61
US7594454B2Sep 29, 2009
Methods of fabricating rotary drill bits
BAKER HUGHES INC3 citations61
US9782857B2Oct 10, 2017
Hybrid drill bit having increased service life
BAKER HUGHES INC1 citations49
US9580788B2Feb 28, 2017
Methods for automated deposition of hardfacing material on earth-boring tools and related systems
BAKER HUGHES INC0 citations49
US7823664B2Nov 2, 2010
Corrosion protection for head section of earth boring bit
BAKER HUGHES INC1 citations48
US7891443B2Feb 22, 2011
Hardfacing around ball loading hole for earth-boring bit
BAKER HUGHES INC0 citations44
US10005158B2Jun 26, 2018
Earth-boring tools with precise cutter pocket location and orientation and related methods
BAKER HUGHES INC0 citations37