Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8674564 | Field stack for a motor | Jeffrey C. Hessenberger, Michael Kolden, Dennis J. Cerney, Alan Yeadon | 2014-03-18 |
| 8558420 | Power tool with motor having a multi-piece stator | Hung T. Du, Earl M. Ortt, Garrett P. McCormick, Michael A. Zemlock, Kevin Hogan +6 more | 2013-10-15 |
| 8528782 | Grease gun | Matthew J. Mergener, Jonathan A. Zick, Scott D. Eisenhardt, Troy C. Thorson | 2013-09-10 |
| 8207647 | Power tools with motor having a multi-piece stator | Hung T. Du, Earl M. Ortt, Garrett P. McCormick, Michael A. Zemlock, Eric J. Samuelsen +10 more | 2012-06-26 |
| 7893583 | Power tools with motor having a multi-piece stator | Hung T. Du, Earl M. Ortt, Garrett P. McCormick, Michael A. Zemlock, Kevin Hogan +6 more | 2011-02-22 |
| 7723893 | Brush assembly including biasing member for applying force | Joshua D. West | 2010-05-25 |
| 7687964 | Electric motor having a field assembly with slot insulation | Hung T. Du, Earl M. Ortt, Michael J. Agnes, Michael A. Zemlock, Robert G. Kusmierski +1 more | 2010-03-30 |
| 7528520 | Electric motor having a field assembly with slot insulation | Hung T. Du, Earl M. Ortt, Michael J. Agnes, Michael Zemlok, Robert G. Kusmierski +1 more | 2009-05-05 |
| 7432627 | Brush assembly including biasing member for applying force | Joshua D. West | 2008-10-07 |
| 7233091 | Electric motor with field assemblies having core pieces with mating features | Hung T. Du, Earl M. Ortt, Michael J. Agnes, Michael Zemlok, Robert G. Kusmierski +1 more | 2007-06-19 |
| 7211920 | Field assemblies having pole pieces with axial lengths less than an axial length of a back iron portion and methods of making same | Hung T. Du, 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 | Hung T. Du, Earl M. Ortt, Garrett P. McCormick | 2007-04-17 |
| 7146706 | Method of making an electric motor | Hung T. Du, Earl M. Ortt, Michael J. Agnes, Michael Zemlok, Robert G. Kusmierski +1 more | 2006-12-12 |
| 7096566 | Method for making an encapsulated coil structure | Hung T. Du, Joshua F. West, Michael R. Sell, Richard T. Walter, David J. Smith +3 more | 2006-08-29 |
| 7091642 | Field assembly for a motor and method of making same | Michael J. Agnes, Allyn Boyce, Hung T. Du, Earl M. Ortt, Richard Walter +1 more | 2006-08-15 |
| 7088024 | Field assembly for a motor and method of making same | Michael J. Agnes, Allyn Boyce, Hung T. Du, Earl M. Ortt, Richard Walter +2 more | 2006-08-08 |
| 7078843 | Field assemblies and methods of making same | Hung T. Du, Earl M. Ortt, Michael J. Agnes, John C. Stone, Michael A. Zemlock +2 more | 2006-07-18 |
| 7038343 | Field assembly for a motor and method of making same | Michael J. Agnes, Allyn Boyce, Hung T. Du, Earl M. Ortt, Richard T. Walter +2 more | 2006-05-02 |
| 6946758 | Dynamoelectric machine having encapsulated coil structure with one or more of phase change additives, insert molded features and insulated pinion | Hung T. Du, Joshua F. West, Michael R. Sell, Richard T. Walter, Earl M. Ortt +1 more | 2005-09-20 |
| 6781267 | Motor for a power tool | Earl M. Ortt, Hung T. Du, Morris R. Davies | 2004-08-24 |
| 6750579 | Permanent magnet motor flux rings | Robert J. Marcinkowski, Earl M. Ortt | 2004-06-15 |
| 6606779 | Permanent magnet motor flux rings | Robert J. Marcinkowski, Earl M. Ortt | 2003-08-19 |
| 6522041 | Permanent magnet motor flux rings | Robert J. Marcinkowski, Earl M. Ortt | 2003-02-18 |
| 6522042 | Anchoring system for injection molded magnets on a flux ring or motor housing | Hung T. Du, Earl M. Ortt, Robert J. Marcinkowski, Michael Kunz | 2003-02-18 |