Inventor · disambiguated record
Duane Howard Anstead
Also filed as: ANSTEAD DUANE · ANSTEAD DUANE H · ANSTEAD DUANE HOWARD
21 granted patents·3 pending applications·266 citations·filing 1989–2024
95Inventor score
Top patents by PatentIndex Score
24 records- 0197US10215097B2Thermal management systemGEN ELECTRIC·Filed 2016·Granted Feb 26, 2019·19 cites·18 claims
- 0295US11146133B2Electric machine with rotor coolant and lubrication distribution system, and systems and methods of cooling and lubricating an electric machineGEN ELECTRIC·Filed 2018·Granted Oct 12, 2021·18 cites·20 claims
- 0392US7384199B2Apparatus for centering rotor assembly bearingsGEN ELECTRIC·Filed 2004·Granted Jun 10, 2008·41 cites·17 claims
- 0490US12018722B1Methods and apparatus for thermal management of sumps using oleophilic and oleophobic coatingsGEN ELECTRIC·Filed 2023·Granted Jun 25, 2024·2 cites·20 claims
- 0590US7993425B2Free vortex air-oil separatorGEN ELECTRIC·Filed 2007·Granted Aug 9, 2011·26 cites·18 claims
- 0689US9567908B2Mitigating vortex pumping effect upstream of oil sealGEN ELECTRIC·Filed 2012·Granted Feb 14, 2017·14 cites·20 claims
- 0789US9353647B2Wide discourager toothGEN ELECTRIC·Filed 2012·Granted May 31, 2016·15 cites·18 claims
- 0886US8443843B2Air-oil separatorMOUNT JAMES KEVIN·Filed 2012·Granted May 21, 2013·12 cites·8 claims
- 0985US10648365B2Gas turbine engine bearing sump and lubricant drain line from cooling passageGEN ELECTRIC·Filed 2015·Granted May 12, 2020·4 cites·16 claims
- 1084US7935164B2Vortex air-oil separator systemGEN ELECTRIC·Filed 2007·Granted May 3, 2011·15 cites·20 claims
- 1184US7334982B2Apparatus for scavenging lubricating oilGEN ELECTRIC·Filed 2005·Granted Feb 26, 2008·25 cites·20 claims
- 1274US12392374B2Methods and apparatus for thermal management of sumps using oleophilic and oleophobic coatingsGEN ELECTRIC·Filed 2024·Granted Aug 19, 2025·0 cites·19 claims
- 1374US8292034B2Air-oil separatorMOUNT JAMES KEVIN·Filed 2007·Granted Oct 23, 2012·14 cites·12 claims
- 1472US11098647B2Thermal management systemGEN ELECTRIC·Filed 2019·Granted Aug 24, 2021·1 cites·17 claims
- 1570US4968158AEngine bearing assemblyGEN ELECTRIC·Filed 1989·Granted Nov 6, 1990·26 cites·12 claims
- 1668US8092093B2Dynamic impeller oil sealFANG NING·Filed 2008·Granted Jan 10, 2012·12 cites·18 claims
- 1767US9890846B2Gearbox with sealed accessory ventGEN ELECTRIC·Filed 2015·Granted Feb 13, 2018·1 cites·15 claims
- 1867US6705349B2Weep plugGEN ELECTRIC·Filed 2001·Granted Mar 16, 2004·18 cites·19 claims
- 1962US8956106B2Adaptive eductor systemFANG NING·Filed 2011·Granted Feb 17, 2015·3 cites·20 claims
- 2061US12497999B2Bearing lubricant drainGEN ELECTRIC·Filed 2023·Granted Dec 16, 2025·0 cites·20 claims
- 2148US2025154879A1Bearing assemblies for a turbomachineGEN ELECTRIC·Filed 2024·Application pending·0 cites
- 2247US12352179B1Turbine engine including a lubrication systemGEN ELECTRIC·Filed 2024·Granted Jul 8, 2025·0 cites·20 claims
- 2339US2017159564A1Thermal management systemGEN ELECTRIC·Filed 2015·Application pending·0 cites
- 2438US2009101230A1Apparatus for filling an oil tankANSTEAD DUANE H·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →