Inventor · disambiguated record
Hung T. Du
Also filed as: DU HUNG · DU HUNG T · DU HUNG THE
47 granted patents·5 pending applications·2,370 citations·filing 1995–2014
99Inventor score
Top patents by PatentIndex Score
52 records- 0198US7023159B2Method and device for braking a motorBLACK & DECKER INC·Filed 2003·Granted Apr 4, 2006·1.2k cites·53 claims
- 0297US7602137B2Electronically commutated motor and control systemBLACK & DECKER INC·Filed 2007·Granted Oct 13, 2009·58 cites·30 claims
- 0397US6983529B2Stator assembly with an overmolding that secures magnets to a flux ring and the flux ring to a stator housingBLACK & DECKER INC·Filed 2005·Granted Jan 10, 2006·49 cites·18 claims
- 0496US7494035B2Pneumatic compressorBLACK & DECKER INC·Filed 2006·Granted Feb 24, 2009·71 cites·20 claims
- 0596US7091642B2Field assembly for a motor and method of making sameBLACK & DECKER INC·Filed 2005·Granted Aug 15, 2006·38 cites·21 claims
- 0696US7088024B2Field assembly for a motor and method of making sameBLACK & DECKER INC·Filed 2005·Granted Aug 8, 2006·45 cites·32 claims
- 0796US5818142AMotor pack armature support with brush holder assemblyBLACK & DECKER INC·Filed 1995·Granted Oct 6, 1998·173 cites·26 claims
- 0895US7215048B2Dynamoelectric machine having encapsulated coil structure with one or more of phase change additives, insert molded features and insulated pinionBLACK & DECKER INC·Filed 2005·Granted May 8, 2007·27 cites·21 claims
- 0995US7119469B2Stator assembly with an overmolding that secures magnets to a flux ring and the flux ring to a stator housingBLACK & DECKER INC·Filed 2005·Granted Oct 10, 2006·34 cites·11 claims
- 1095US7038343B2Field assembly for a motor and method of making sameBLACK & DECKER INC·Filed 2002·Granted May 2, 2006·51 cites·23 claims
- 1194US7814641B2Method of forming a power toolBLACK & DECKER INC·Filed 2006·Granted Oct 19, 2010·18 cites·6 claims
- 1294US6903475B2Stator assembly with an overmolding that secures magnets to a flux ring and the flux ring to a stator housingBLACK & DECKER INC·Filed 2003·Granted Jun 7, 2005·52 cites·31 claims
- 1393US7464455B2Method for forming an armature for an electric motorBLACK & DECKER INC·Filed 2005·Granted Dec 16, 2008·21 cites·4 claims
- 1492US7893583B2Power tools with motor having a multi-piece statorBLACK & DECKER INC·Filed 2006·Granted Feb 22, 2011·27 cites·8 claims
- 1592US7096566B2Method for making an encapsulated coil structureBLACK & DECKER INC·Filed 2003·Granted Aug 29, 2006·40 cites·11 claims
- 1692US7078843B2Field assemblies and methods of making sameBLACK & DECKER INC·Filed 2004·Granted Jul 18, 2006·48 cites·103 claims
- 1792US6522042B1Anchoring system for injection molded magnets on a flux ring or motor housingBLACK & DECKER INC·Filed 2000·Granted Feb 18, 2003·43 cites·46 claims
- 1891US8203239B2Method of forming a power toolDU HUNG T·Filed 2010·Granted Jun 19, 2012·7 cites·13 claims
- 1991US7205696B2Field assemblies having pole pieces with ends that decrease in width, and methods of making sameBLACK & DECKER INC·Filed 2005·Granted Apr 17, 2007·20 cites·18 claims
- 2090US9472989B2Method of manufacturing a power tool with molded armatureBLACK & DECKER INC·Filed 2014·Granted Oct 18, 2016·5 cites·5 claims
- 2190US8558420B2Power tool with motor having a multi-piece statorDU HUNG T·Filed 2012·Granted Oct 15, 2013·9 cites·8 claims
- 2290US7146706B2Method of making an electric motorBLACK & DECKER INC·Filed 2004·Granted Dec 12, 2006·29 cites·21 claims
- 2389US8997332B2Method of forming a power toolBLACK & DECKER INC·Filed 2012·Granted Apr 7, 2015·5 cites·3 claims
- 2488US8324764B2Method for forming a power toolDU HUNG T·Filed 2012·Granted Dec 4, 2012·5 cites·6 claims
- 2588US6946758B2Dynamoelectric machine having encapsulated coil structure with one or more of phase change additives, insert molded features and insulated pinionBLACK & DECKER INC·Filed 2003·Granted Sep 20, 2005·30 cites·21 claims
- 2687US7211920B2Field assemblies having pole pieces with axial lengths less than an axial length of a back iron portion and methods of making sameBLACK & DECKER INC·Filed 2005·Granted May 1, 2007·15 cites·16 claims
- 2785US8207647B2Power tools with motor having a multi-piece statorDU HUNG T·Filed 2011·Granted Jun 26, 2012·8 cites·36 claims
- 2885US6172437B1Hybrid AC/DC motorBLACK & DECKER INC·Filed 1999·Granted Jan 9, 2001·62 cites·9 claims
- 2984US8937412B2Method of forming a power toolBLACK & DECKER INC·Filed 2012·Granted Jan 20, 2015·3 cites·8 claims
- 3084US8022654B2Soft start for electric motor of a power toolBLACK & DECKER INC·Filed 2006·Granted Sep 20, 2011·18 cites·35 claims
- 3184US7528520B2Electric motor having a field assembly with slot insulationBLACK & DECKER INC·Filed 2006·Granted May 5, 2009·9 cites·4 claims
- 3283US6744170B1Brush assemblyBLACK & DECKER INC·Filed 1998·Granted Jun 1, 2004·45 cites·14 claims
- 3382US7013552B2Method for forming an armature for an electric motor for a portable power toolBLACK & DECKER INC·Filed 2003·Granted Mar 21, 2006·26 cites·12 claims
- 3482US6735846B2Method for forming an electric motor having armature coated with a thermally conductive plasticBLACK & DECKER INC·Filed 2002·Granted May 18, 2004·22 cites·4 claims
- 3581US7687964B2Electric motor having a field assembly with slot insulationBLACK & DECKER INC·Filed 2009·Granted Mar 30, 2010·7 cites·16 claims
- 3679US8901787B2Method of forming a power toolBLACK & DECKER INC·Filed 2012·Granted Dec 2, 2014·2 cites·10 claims
- 3779US8850690B2Method of forming a power toolBLACK & DECKER INC·Filed 2012·Granted Oct 7, 2014·2 cites·4 claims
- 3875US7233091B2Electric motor with field assemblies having core pieces with mating featuresBLACK & DECKER INC·Filed 2004·Granted Jun 19, 2007·14 cites·9 claims
- 3974US7685697B2Method of manufacturing an electric motor of a power tool and of manufacturing the power toolBLACK & DECKER INC·Filed 2006·Granted Mar 30, 2010·5 cites·6 claims
- 4071US8823234B2Motor with permanent magnets having essentially the same inner and outer radius; and method of manufacturing a motor stator housing with permanent magnetsORTT EARL M·Filed 2007·Granted Sep 2, 2014·7 cites·2 claims
- 4170US8657030B2Cordless power tool having multi-speed transmission and constant speed in light torque rangeDU HUNG T·Filed 2007·Granted Feb 25, 2014·11 cites·14 claims
- 4269US6838797B2Flux ring for an electric motorBLACK & DECKER INC·Filed 2001·Granted Jan 4, 2005·9 cites·24 claims
- 4368US6462448B1Flux ring for an electric motorBLACK & DECKER INC·Filed 2000·Granted Oct 8, 2002·10 cites·24 claims
- 4456US6769168B2Flux ring for an electric motorBLACK & DECKER INC·Filed 2002·Granted Aug 3, 2004·4 cites·6 claims
- 4556US2013342042A1Power tool with motor having a multi-piece statorBLACK & DECKER INC·Filed 2013·Application pending·0 cites
- 4650US2011298313A1Motor With Permanent Magnets and Method of Manufacturing Power Tool With SameOSBORNE STEPHEN·Filed 2011·Application pending·0 cites
- 4748US6781267B2Motor for a power toolBLACK & DECKER INC·Filed 2002·Granted Aug 24, 2004·5 cites·13 claims
- 4847US7181830B2Process of manufacturing a flux ring for an electric motorBLACK & DECKER INC·Filed 2004·Granted Feb 27, 2007·1 cites·6 claims
- 4943US2006226729A1Field assemblies and methods of making same with field coils having multiple coilsDU HUNG T·Filed 2006·Application pending·0 cites
- 5042US2005189844A1Field assemblies having pole pieces with dovetail features for attaching to a back iron piece(s) and methods of making sameFiled 2005·Application pending·0 cites
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →