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Hung T. Du

BD Black & Decker: 47 patents #41 of 2,138Top 2%
Overall (All Time): #61,041 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 25 most recent of 47 patents

Patent #TitleCo-InventorsDate
9472989 Method of manufacturing a power tool with molded armature Brandon L. Verbrugge, Joshua F. West, Michael R. Sell, Richard T. Walter, David J. Smith +3 more 2016-10-18
8997332 Method of forming a power tool Brandon L. Verbrugge, Joshua F. West, Michael R. Sell, Richard T. Walter, David J. Smith +3 more 2015-04-07
8937412 Method of forming a power tool Brandon L. Verbrugge, Joshua F. West, Michael R. Sell, Richard T. Walter, David J. Smith +3 more 2015-01-20
8901787 Method of forming a power tool Brandon L. Verbrugge, Joshua F. West, Michael R. Sell, Richard T. Walter, David J. Smith +3 more 2014-12-02
8850690 Method of forming a power tool Brandon L. Verbrugge, Joshua F. West, Michael R. Sell, Richard T. Walter, David J. Smith +3 more 2014-10-07
8823234 Motor with permanent magnets having essentially the same inner and outer radius; and method of manufacturing a motor stator housing with permanent magnets Earl M. Ortt, Sankarshan Murthy 2014-09-02
8657030 Cordless power tool having multi-speed transmission and constant speed in light torque range Josh West 2014-02-25
8558420 Power tool with motor having a multi-piece stator Earl M. Ortt, Brandon L. Verbrugge, Garrett P. McCormick, Michael A. Zemlock, Kevin Hogan +6 more 2013-10-15
8324764 Method for forming a power tool Richard T. Walter 2012-12-04
8207647 Power tools with motor having a multi-piece stator Earl M. Ortt, Brandon L. Verbrugge, Garrett P. McCormick, Michael A. Zemlock, Eric J. Samuelsen +10 more 2012-06-26
8203239 Method of forming a power tool Richard T. Walter 2012-06-19
8022654 Soft start for electric motor of a power tool Peter Zhao, Garrett P. McCormick 2011-09-20
7893583 Power tools with motor having a multi-piece stator Earl M. Ortt, Brandon L. Verbrugge, Garrett P. McCormick, Michael A. Zemlock, Kevin Hogan +6 more 2011-02-22
7814641 Method of forming a power tool Richard T. Walter 2010-10-19
7687964 Electric motor having a field assembly with slot insulation Brandon L. Verbrugge, Earl M. Ortt, Michael J. Agnes, Michael A. Zemlock, Robert G. Kusmierski +1 more 2010-03-30
7685697 Method of manufacturing an electric motor of a power tool and of manufacturing the power tool Joshua F. West, Richard T. Walter 2010-03-30
7602137 Electronically commutated motor and control system Uday Deshpande, Joshua D. West, Bhanuprasad V. Gorti, Shailesh P. Waikar 2009-10-13
7528520 Electric motor having a field assembly with slot insulation Brandon L. Verbrugge, Earl M. Ortt, Michael J. Agnes, Michael Zemlok, Robert G. Kusmierski +1 more 2009-05-05
7494035 Pneumatic compressor J. Michael Weaver, Barbara Rose, Mark W. Wood, Daniel Goodwin, Alan Phillips +6 more 2009-02-24
7464455 Method for forming an armature for an electric motor Richard T. Walter, Michael R. Sell, Joshua F. West 2008-12-16
7233091 Electric motor with field assemblies having core pieces with mating features Brandon L. Verbrugge, Earl M. Ortt, Michael J. Agnes, Michael Zemlok, Robert G. Kusmierski +1 more 2007-06-19
7215048 Dynamoelectric machine having encapsulated coil structure with one or more of phase change additives, insert molded features and insulated pinion Richard T. Walter, Michael R. Sell, Joshua F. West 2007-05-08
7211920 Field assemblies having pole pieces with axial lengths less than an axial length of a back iron portion and methods of making same Brandon L. Verbrugge, Earl M. Ortt, Garrett P. McCormick 2007-05-01
7205696 Field assemblies having pole pieces with ends that decrease in width, and methods of making same Brandon L. Verbrugge, Earl M. Ortt, Garrett P. McCormick 2007-04-17
7181830 Process of manufacturing a flux ring for an electric motor 2007-02-27