Issued Patents All Time
Showing 25 most recent of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12126234 | Stator assembly for a brushless motor in a power tool preliminary class | David J. Smith, Justin H. Ayers, David E. Gillespie, Eric E. Hatfield, Stephen P. Osborne +2 more | 2024-10-22 |
| 12107483 | Brushless motor for a power tool | Eric E. Hatfield | 2024-10-01 |
| 11894744 | Stator assembly for a brushless motor in a power tool | David J. Smith, Justin H. Ayers, David E. Gillespie, Eric E. Hatfield, Stephen P. Osborne +2 more | 2024-02-06 |
| 11837934 | Stator assembly for a brushless motor in a power tool | David J. Smith, Justin H. Ayers, David E. Gillespie, Eric E. Hatfield, Stephen P. Osborne +2 more | 2023-12-05 |
| 11374462 | Brushless motor for a power tool | Eric E. Hatfield | 2022-06-28 |
| 11133720 | Stator assembly for a brushless motor in a power tool | David J. Smith, Justin H. Ayers, David E. Gillespie, Eric E. Hatfield, Stephen P. Osborne +2 more | 2021-09-28 |
| 11128194 | Stator assembly for a brushless motor in a power tool | David J. Smith, Justin H. Ayers, David E. Gillespie, Eric E. Hatfield, Stephen P. Osborne +2 more | 2021-09-21 |
| 10923989 | Brushless motor for a power tool | Eric E. Hatfield | 2021-02-16 |
| 10523080 | Stator assembly for a brushless motor in a power tool | David J. Smith, Justin H. Ayers, David E. Gillespie, Eric E. Hatfield, Stephen P. Osborne +2 more | 2019-12-31 |
| 10056806 | Stator assembly for a brushless motor in a power tool | Eric E. Hatfield | 2018-08-21 |
| 9819241 | Stator assembly for a brushless motor in a power tool | David J. Smith, Justin H. Ayers, David E. Gillespie, Eric E. Hatfield, Stephen P. Osborne +2 more | 2017-11-14 |
| 9472989 | Method of manufacturing a power tool with molded armature | Hung T. Du, Brandon L. Verbrugge, Joshua F. West, Michael R. Sell, Richard T. Walter +3 more | 2016-10-18 |
| 9450472 | Rotor assembly for brushless motor for a power tool | Eric E. Hatfield, Joseph Stauffer | 2016-09-20 |
| 9318932 | Control unit for a power tool | Madhur M. Purohit, Erik Ekstrom, Shailesh P. Waikar, Marcell E. Coates, Eric E. Hatfield | 2016-04-19 |
| 8997332 | Method of forming a power tool | Hung T. Du, Brandon L. Verbrugge, Joshua F. West, Michael R. Sell, Richard T. Walter +3 more | 2015-04-07 |
| 8937412 | Method of forming a power tool | Hung T. Du, Brandon L. Verbrugge, Joshua F. West, Michael R. Sell, Richard T. Walter +3 more | 2015-01-20 |
| 8901787 | Method of forming a power tool | Hung T. Du, Brandon L. Verbrugge, Joshua F. West, Michael R. Sell, Richard T. Walter +3 more | 2014-12-02 |
| 8850690 | Method of forming a power tool | Hung T. Du, Brandon L. Verbrugge, Joshua F. West, Michael R. Sell, Richard T. Walter +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 | Hung T. Du, Sankarshan Murthy | 2014-09-02 |
| 8558420 | Power tool with motor having a multi-piece stator | Hung T. Du, Brandon L. Verbrugge, Garrett P. McCormick, Michael A. Zemlock, Kevin Hogan +6 more | 2013-10-15 |
| 8207647 | Power tools with motor having a multi-piece stator | Hung T. Du, Brandon L. Verbrugge, Garrett P. McCormick, Michael A. Zemlock, Eric J. Samuelsen +10 more | 2012-06-26 |
| 8171616 | Method of making an armature | David J. Smith, John C. Stone, Robert Tumberlinson | 2012-05-08 |
| 7908736 | Method of making an armature | David J. Smith, John C. Stone, Robert Tumberlinson | 2011-03-22 |
| 7893583 | Power tools with motor having a multi-piece stator | Hung T. Du, Brandon L. Verbrugge, Garrett P. McCormick, Michael A. Zemlock, Kevin Hogan +6 more | 2011-02-22 |
| 7791232 | Power tool having an electronically commutated motor and double insulation | Madhur M. Purohit | 2010-09-07 |