Inventor · disambiguated record
Alan W. Lockstedt
Also filed as: LOCKSTEDT ALAN · LOCKSTEDT ALAN W · LOCKSTEDT ALAN WAYNE
23 granted patents·5 pending applications·432 citations·filing 1981–2017
96Inventor score
Top patents by PatentIndex Score
28 records- 0196US6988569B2Cutting element orientation or geometry for improved drill bitsSMITH INTERNAT·Filed 2005·Granted Jan 24, 2006·54 cites·7 claims
- 0294US8211203B2Matrix powder for matrix body fixed cutter bitsSHENG XIAYANG·Filed 2008·Granted Jul 3, 2012·19 cites·6 claims
- 0391US8342268B2Tough carbide bodies using encapsulated carbidesSMITH INTERNATIONAL·Filed 2009·Granted Jan 1, 2013·18 cites·22 claims
- 0489US6848521B2Cutting elements of gage row and first inner row of a drill bitSMITH INTERNATIONAL·Filed 2003·Granted Feb 1, 2005·49 cites·22 claims
- 0584US5131480ARotary cone milled tooth bit with heel row cutter insertsSMITH INTERNATIONAL·Filed 1991·Granted Jul 21, 1992·92 cites·6 claims
- 0681US8596345B2RCD sealing elements with multiple elastomer materialsLI YANMEI·Filed 2011·Granted Dec 3, 2013·8 cites·36 claims
- 0781US7644786B2Diamond bit steel body cutter pocket protectionSMITH INTERNATIONAL·Filed 2006·Granted Jan 12, 2010·17 cites·29 claims
- 0880US7367413B2Cutting elements of gage row and first inner row of a drill bitSMITH INTERNATIONAL·Filed 2006·Granted May 6, 2008·10 cites·27 claims
- 0977US7121365B2Rock bit with grease composition utilizing polarized graphiteSMITH INTERNATIONAL·Filed 2003·Granted Oct 17, 2006·15 cites·31 claims
- 1076US6640913B2Drill bit with canted gage insertSMITH INTERNATIONAL·Filed 1998·Granted Nov 4, 2003·42 cites·55 claims
- 1173US7201241B2Self relieving sealSMITH INTERNATIONAL·Filed 2005·Granted Apr 10, 2007·10 cites·20 claims
- 1272US8617289B2Hardfacing compositions for earth boring toolsLOCKSTEDT ALAN W·Filed 2008·Granted Dec 31, 2013·3 cites·24 claims
- 1370US7267183B2Drill bit lubricant with enhanced load carrying/anti wear propertiesSMITH INTERNATIONAL·Filed 2005·Granted Sep 11, 2007·2 cites·14 claims
- 1468US7124842B2Cutting elements of gage row and first inner row of a drill bitSMITH INTERNATIONAL·Filed 2005·Granted Oct 24, 2006·5 cites·8 claims
- 1565US4499642AComposite bearingSMITH INTERNATIONAL·Filed 1981·Granted Feb 19, 1985·21 cites·3 claims
- 1661US7387178B2Self relieving sealSMITH INTERNATIONAL·Filed 2007·Granted Jun 17, 2008·5 cites·20 claims
- 1760US9816328B2Friction welded heavy weight drill pipesSMITH INTERNATIONAL·Filed 2013·Granted Nov 14, 2017·2 cites·7 claims
- 1859US8235149B2Diamond bit steel body cutter pocket protectionLOCKSTEDT ALAN W·Filed 2009·Granted Aug 7, 2012·5 cites·23 claims
- 1957US7743857B2Cutting elements of gage row and first inner row of a drill bitSMITH INTERNATIONAL·Filed 2008·Granted Jun 29, 2010·2 cites·20 claims
- 2057US2012255793A1Matrix powder for matrix body fixed cutter bitsSHENG XIAYANG·Filed 2012·Application pending·0 cites
- 2156US4486104AComposite bearingSMITH INTERNATIONAL·Filed 1983·Granted Dec 4, 1984·16 cites·9 claims
- 2254US6976548B2Self relieving sealSMITH INTERNATIONAL·Filed 2003·Granted Dec 20, 2005·13 cites·56 claims
- 2350US2018310530A1Chicken House with Protected Grazing AreaLOCKSTEDT ALAN WAYNE·Filed 2017·Application pending·0 cites
- 2448US2008179104A1Nano-reinforced wc-co for improved propertiesSMITH INTERNATIONAL·Filed 2007·Application pending·0 cites
- 2548US2008210473A1Hybrid carbon nanotube reinforced composite bodiesSMITH INTERNATIONAL·Filed 2007·Application pending·0 cites
- 2647US5853055ARock bit with an extended center jetSMITH INTERNATIONAL·Filed 1996·Granted Dec 29, 1998·24 cites·62 claims
- 2738US10648049B2Heat treated heavy weight drill pipeWELLBORE INTEGRITY SOLUTIONS LLC·Filed 2015·Granted May 12, 2020·0 cites·20 claims
- 2837US2007107940A1Drill bit lubricant utilizing a sulfur-phosphorous EP agentSMITH INTERNATIONAL·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →