Inventor · disambiguated record
Alan J. Massey
Also filed as: MASSEY ALAN · MASSEY ALAN J
25 granted patents·3 pending applications·685 citations·filing 1994–2015
96Inventor score
Top patents by PatentIndex Score
28 records- 0198US5663512AHardfacing composition for earth-boring bitsBAKER HUGHES INC·Filed 1994·Granted Sep 2, 1997·163 cites·18 claims
- 0298US5492186ASteel tooth bit with a bi-metallic gage hardfacingBAKER HUGHES INC·Filed 1994·Granted Feb 20, 1996·172 cites·7 claims
- 0396US6248149B1Hardfacing composition for earth-boring bits using macrocrystalline tungsten carbide and spherical cast carbideBAKER HUGHES INC·Filed 1999·Granted Jun 19, 2001·81 cites·7 claims
- 0491US6360832B1Hardfacing with multiple grade layersBAKER HUGHES INC·Filed 2000·Granted Mar 26, 2002·62 cites·20 claims
- 0590USRE37127EHardfacing composition for earth-boring bitsBAKER HUGHES INC·Filed 1998·Granted Apr 10, 2001·81 cites·25 claims
- 0688US8450637B2Apparatus for automated application of hardfacing material to drill bitsLUCE DAVID K·Filed 2008·Granted May 28, 2013·10 cites·20 claims
- 0780US8969754B2Methods for automated application of hardfacing material to drill bitsBAKER HUGHES INC·Filed 2013·Granted Mar 3, 2015·5 cites·29 claims
- 0879US7472764B2Rotary drill bit shank, rotary drill bits so equipped, and methods of manufactureBAKER HUGHES INC·Filed 2005·Granted Jan 6, 2009·15 cites·29 claims
- 0978US8471182B2Method and apparatus for automated application of hardfacing material to rolling cutters of hybrid-type earth boring drill bits, hybrid drill bits comprising such hardfaced steel-toothed cutting elements, and methods of use thereofSTAUFFER BRUCE·Filed 2009·Granted Jun 25, 2013·20 cites·35 claims
- 1077US7861806B2Shank structure for rotary drill bitsBAKER HUGHES INC·Filed 2009·Granted Jan 4, 2011·3 cites·12 claims
- 1176US8698038B2Method and apparatus for the automated application of hardfacing material to rolling cutters of earth-boring drill bitsLUCE DAVID K·Filed 2009·Granted Apr 15, 2014·5 cites·44 claims
- 1276US7594454B2Methods of fabricating rotary drill bitsBAKER HUGHES INC·Filed 2007·Granted Sep 29, 2009·3 cites·15 claims
- 1373US8141664B2Hybrid drill bit with high bearing pin anglesZAHRADNIK ANTON F·Filed 2009·Granted Mar 27, 2012·13 cites·15 claims
- 1471US8948917B2Systems and methods for robotic welding of drill bitsMASSEY ALAN J·Filed 2009·Granted Feb 3, 2015·4 cites·28 claims
- 1571US8731717B2Methods for manipulating cutting elements for earth-boring drill bits and toolsLUCE DAVID KEITH·Filed 2013·Granted May 20, 2014·5 cites·16 claims
- 1669US8355815B2Methods, systems, and devices for manipulating cutting elements for earth-boring drill bits and toolsBAKER HUGHES INC·Filed 2009·Granted Jan 15, 2013·9 cites·45 claims
- 1762US9782857B2Hybrid drill bit having increased service lifeBAKER HUGHES INC·Filed 2015·Granted Oct 10, 2017·1 cites·21 claims
- 1858US9273518B2Methods of coupling components of downhole tools, downhole tools and components of downhole toolsSMITH REDD H·Filed 2011·Granted Mar 1, 2016·1 cites·19 claims
- 1955US9580788B2Methods for automated deposition of hardfacing material on earth-boring tools and related systemsBAKER HUGHES INC·Filed 2015·Granted Feb 28, 2017·0 cites·20 claims
- 2052US7600589B2Rotary drill bitsBAKER HUGHES INC·Filed 2007·Granted Oct 13, 2009·2 cites·20 claims
- 2150US2010282026A1Method and system for automated earth boring drill bit manufacturingBAKER HUGHES INC·Filed 2009·Application pending·0 cites
- 2249US6923276B2Streamlined mill-toothed cone for earth boring bitBAKER HUGHES INC·Filed 2003·Granted Aug 2, 2005·11 cites·31 claims
- 2347US7823664B2Corrosion protection for head section of earth boring bitBAKER HUGHES INC·Filed 2008·Granted Nov 2, 2010·1 cites·21 claims
- 2443US10005158B2Earth-boring tools with precise cutter pocket location and orientation and related methodsBAKER HUGHES INC·Filed 2014·Granted Jun 26, 2018·0 cites·14 claims
- 2540US7891443B2Hardfacing around ball loading hole for earth-boring bitBAKER HUGHES INC·Filed 2008·Granted Feb 22, 2011·0 cites·16 claims
- 2640US6253862B1Earth-boring bit with cutter spear point hardfacingBAKER HUGHES INC·Filed 1999·Granted Jul 3, 2001·18 cites·2 claims
- 2740US2010038146A1Bit Cone With Hardfaced NoseBAKER HUGHES INC·Filed 2009·Application pending·0 cites
- 2835US2010193253A1Earth-boring tools and bodies of such tools including nozzle recesses, and methods of forming sameMASSEY ALAN J·Filed 2009·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →