Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9472989 | Method of manufacturing a power tool with molded armature | Hung T. Du, Brandon L. Verbrugge, Michael R. Sell, Richard T. Walter, David J. Smith +3 more | 2016-10-18 |
| 8997332 | Method of forming a power tool | Hung T. Du, Brandon L. Verbrugge, Michael R. Sell, Richard T. Walter, David J. Smith +3 more | 2015-04-07 |
| 8937412 | Method of forming a power tool | Hung T. Du, Brandon L. Verbrugge, Michael R. Sell, Richard T. Walter, David J. Smith +3 more | 2015-01-20 |
| 8901787 | Method of forming a power tool | Hung T. Du, Brandon L. Verbrugge, Michael R. Sell, Richard T. Walter, David J. Smith +3 more | 2014-12-02 |
| 8850690 | Method of forming a power tool | Hung T. Du, Brandon L. Verbrugge, Michael R. Sell, Richard T. Walter, David J. Smith +3 more | 2014-10-07 |
| 7685697 | Method of manufacturing an electric motor of a power tool and of manufacturing the power tool | Hung T. Du, Richard T. Walter | 2010-03-30 |
| 7591063 | Method of making an armature | — | 2009-09-22 |
| 7464455 | Method for forming an armature for an electric motor | Hung T. Du, Richard T. Walter, Michael R. Sell | 2008-12-16 |
| 7215048 | Dynamoelectric machine having encapsulated coil structure with one or more of phase change additives, insert molded features and insulated pinion | Hung T. Du, Richard T. Walter, Michael R. Sell | 2007-05-08 |
| 7096566 | Method for making an encapsulated coil structure | Hung T. Du, Brandon L. Verbrugge, Michael R. Sell, Richard T. Walter, David J. Smith +3 more | 2006-08-29 |
| 6946758 | Dynamoelectric machine having encapsulated coil structure with one or more of phase change additives, insert molded features and insulated pinion | Hung T. Du, Brandon L. Verbrugge, Michael R. Sell, Richard T. Walter, Earl M. Ortt +1 more | 2005-09-20 |