Inventor · disambiguated record
L. Allen Sinor
Also filed as: SINOR L ALLEN
22 granted patents·3 pending applications·886 citations·filing 1990–2017
96Inventor score
Top patents by PatentIndex Score
25 records- 0197US7395882B2Casing and liner drilling bitsBAKER HUGHES INC·Filed 2004·Granted Jul 8, 2008·154 cites·86 claims
- 0295US5131478ALow friction subterranean drill bit and related methodsBRETT J FORD·Filed 1990·Granted Jul 21, 1992·218 cites·26 claims
- 0394US6298930B1Drill bits with controlled cutter loading and depth of cutBAKER HUGHES INC·Filed 1999·Granted Oct 9, 2001·200 cites·59 claims
- 0490US8006785B2Casing and liner drilling bits and reamersBAKER HUGHES INC·Filed 2008·Granted Aug 30, 2011·24 cites·69 claims
- 0589US8167059B2Casing and liner drilling shoes having spiral blade configurations, and related methodsOLDHAM JACK T·Filed 2011·Granted May 1, 2012·8 cites·20 claims
- 0688US7455125B2Drilling tool equipped with improved cutting element layout to reduce cutter damage through formation changes, methods of design and operation thereofBAKER HUGHES INC·Filed 2005·Granted Nov 25, 2008·29 cites·59 claims
- 0786US8911522B2Methods of forming inserts and earth-boring toolsCLEBOSKI CHRISTOPHER J·Filed 2011·Granted Dec 16, 2014·7 cites·17 claims
- 0884US8020641B2Drill bit with continuously sharp edge cutting elementsBAKER HUGHES INC·Filed 2008·Granted Sep 20, 2011·8 cites·84 claims
- 0982US9068407B2Drilling assemblies including expandable reamers and expandable stabilizers, and related methodsBAKER HUGHES INC·Filed 2013·Granted Jun 30, 2015·8 cites·20 claims
- 1081US8225887B2Casing and liner drilling shoes with portions configured to fail responsive to pressure, and related methodsOLDHAM JACK T·Filed 2011·Granted Jul 24, 2012·4 cites·21 claims
- 1181US8205693B2Casing and liner drilling shoes having selected profile geometries, and related methodsOLDHAM JACK T·Filed 2011·Granted Jun 26, 2012·4 cites·21 claims
- 1281US8061456B2Chamfered edge gage cutters and drill bits so equippedPATEL SURESH G·Filed 2008·Granted Nov 22, 2011·20 cites·17 claims
- 1378US5111892AImbalance compensated drill bit with hydrostatic bearingSINOR L ALLEN·Filed 1990·Granted May 12, 1992·73 cites·9 claims
- 1476US8225888B2Casing shoes having drillable and non-drillable cutting elements in different regions and related methodsOLDHAM JACK T·Filed 2011·Granted Jul 24, 2012·3 cites·21 claims
- 1575US6397958B1Reaming apparatus and method with ability to drill out cement and float equipment in casingBAKER HUGHES INC·Filed 2000·Granted Jun 4, 2002·51 cites·79 claims
- 1674US6302223B1Rotary drag bit with enhanced hydraulic and stabilization characteristicsBAKER HUGHES INC·Filed 1999·Granted Oct 16, 2001·65 cites·33 claims
- 1770US10309157B2Cutting element incorporating a cutting body and sleeve and an earth-boring tool including the cutting elementBAKER HUGHES INC·Filed 2017·Granted Jun 4, 2019·0 cites·20 claims
- 1866US8297380B2Casing and liner drilling shoes having integrated operational components, and related methodsOLDHAM JACK T·Filed 2011·Granted Oct 30, 2012·1 cites·17 claims
- 1964US9816324B2Cutting element incorporating a cutting body and sleeve and method of forming thereofBAKER HUGHES INC·Filed 2014·Granted Nov 14, 2017·0 cites·20 claims
- 2061US7703558B2Drilling tool for reducing cutter damage when drilling through formation changes, and methods of design and operation thereofBAKER HUGHES INC·Filed 2008·Granted Apr 27, 2010·5 cites·25 claims
- 2156US8720609B2Drill bit with continuously sharp edge cutting elementsWELCH ROBERT M·Filed 2008·Granted May 13, 2014·4 cites·17 claims
- 2251US9540884B2Drill bit with continuously sharp edge cutting elementsWELCH ROBERT M·Filed 2014·Granted Jan 10, 2017·0 cites·8 claims
- 2340US2010089658A1Drill bit with continuously sharp edge cutting elementsBAKER HUGHES INC·Filed 2008·Application pending·0 cites
- 2440US2010089661A1Drill bit with continuously sharp edge cutting elementsBAKER HUGHES INC·Filed 2008·Application pending·0 cites
- 2539US2011042149A1Methods of forming polycrystalline diamond elements, polycrystalline diamond elements, and earth-boring tools carrying such polycrystalline diamond elementsBAKER HUGHES INC·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →