Ortt; Earl M.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ortt; Earl M..The latest application filed is for "stator assembly for a brushless motor in a power tool".

Company Profile

4.56.68

Ortt; Earl M. - Bel Air MD
Ortt; Earl M. - Towson MD
Ortt; Earl M - Bel Air MD
Ortt, Earl M. - Belair MD

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Brushless motor for a power tool Grant 11,374,462 - Hatfield , et al. June 28, 2	2022-06-28
Stator Assembly For A Brushless Motor In A Power Tool App 20220158517 - Smith; David J. ; et al.	2022-05-19
Stator Assembly For A Brushless Motor In A Power Tool App 20220158518 - Smith; David J. ; et al.	2022-05-19
Stator Assembly For A Brushless Motor In A Power Tool App 20220014066 - Smith; David J. ; et al.	2022-01-13
Stator assembly for a brushless motor in a power tool Grant 11,133,720 - Smith , et al. September 28, 2	2021-09-28
Stator assembly for a brushless motor in a power tool Grant 11,128,194 - Smith , et al. September 21, 2	2021-09-21
Brushless motor for a power tool Grant 10,923,989 - Hatfield , et al. February 16, 2	2021-02-16
Brushless Motor For A Power Tool App 20200112231 - Hatfield; Eric E. ; et al.	2020-04-09
Stator Assembly For A Brushless Motor In A Power Tool App 20200091793 - Smith; David J. ; et al.	2020-03-19
Stator assembly for a brushless motor in a power tool Grant 10,523,080 - Smith , et al. Dec	2019-12-31
Brushless Motor For A Power Tool App 20190044415 - Hatfield; Eric E. ; et al.	2019-02-07
Stator Assembly For A Brushless Motor In A Power Tool App 20180323681 - Hatfield; Eric E. ; et al.	2018-11-08
Stator Assembly For A Brushless Motor In A Power Tool App 20180294688 - Smith; David J. ; et al.	2018-10-11
Stator assembly for a brushless motor in a power tool Grant 10,056,806 - Hatfield , et al. August 21, 2	2018-08-21
Stator Assembly For A Brushless Motor In A Power Tool App 20180041088 - Smith; David J. ; et al.	2018-02-08
Stator assembly for a brushless motor in a power tool Grant 9,819,241 - Smith , et al. November 14, 2	2017-11-14
Method of manufacturing a power tool with molded armature Grant 9,472,989 - Du , et al. October 18, 2	2016-10-18
Rotor assembly for brushless motor for a power tool Grant 9,450,472 - Hatfield , et al. September 20, 2	2016-09-20
Control unit for a power tool Grant 9,318,932 - Purohit , et al. April 19, 2	2016-04-19
Method of forming a power tool Grant 8,997,332 - Du , et al. April 7, 2	2015-04-07
Method of forming a power tool Grant 8,937,412 - Du , et al. January 20, 2	2015-01-20
Method Of Forming A Power Tool App 20140360008 - Du; Hung T. ; et al.	2014-12-11
Method of forming a power tool Grant 8,901,787 - Du , et al. December 2, 2	2014-12-02
Method of forming a power tool Grant 8,850,690 - Du , et al. October 7, 2	2014-10-07
Motor with permanent magnets having essentially the same inner and outer radius; and method of manufacturing a motor stator housing with permanent magnets Grant 8,823,234 - Ortt , et al. September 2, 2	2014-09-02
Control Unit For A Power Tool App 20140132093 - Purohit; Madhur M. ; et al.	2014-05-15
Power Tool With Motor Having A Multi-piece Stator App 20130342042 - Du; Hung T. ; et al.	2013-12-26
Method Of Forming A Power Tool App 20130300221 - Du; Hung T. ; et al.	2013-11-14
Method Of Forming A Power Tool App 20130291371 - Du; Hung T. ; et al.	2013-11-07
Stator Assembly For A Brushless Motor In A Power Tool App 20130270934 - Smith; David J. ; et al.	2013-10-17
Rotor Assembly For Brushless Motor For A Power Tool App 20130270932 - Hatfield; Eric E. ; et al.	2013-10-17
Power tool with motor having a multi-piece stator Grant 8,558,420 - Du , et al. October 15, 2	2013-10-15
Stator Assembly For A Brushless Motor In A Power Tool App 20130207491 - Hatfield; Eric E. ; et al.	2013-08-15
Method Of Forming A Power Tool App 20130055554 - Du; Hung T. ; et al.	2013-03-07
Method Of Forming A Power Tool App 20130057090 - Du; Hung T. ; et al.	2013-03-07
Power Tool With Motor Having A Multi-piece Stator App 20120248902 - Du; Hung T. ; et al.	2012-10-04
Power tools with motor having a multi-piece stator Grant 8,207,647 - Du , et al. June 26, 2	2012-06-26
Stator Housing Assembly Having Overmolded Magnets App 20120126639 - ORTT; Earl M. ; et al.	2012-05-24
Method of making an armature Grant 8,171,616 - Smith , et al. May 8, 2	2012-05-08
Motor With Permanent Magnets and Method of Manufacturing Power Tool With Same App 20110298313 - Osborne; Stephen ; et al.	2011-12-08
Motor With Overmolded Permanent Magnets App 20110278966 - Osborne; Stephen ; et al.	2011-11-17
Method Of Making An Armature App 20110126399 - Smith; David J. ; et al.	2011-06-02
Power Tools With Motor Having A Multi-piece Stator App 20110115314 - Du; Hung T. ; et al.	2011-05-19
Method of making an armature Grant 7,908,736 - Smith , et al. March 22, 2	2011-03-22
Power tools with motor having a multi-piece stator Grant 7,893,583 - Du , et al. February 22, 2	2011-02-22
Power Tool Having An Electronically Commutated Motor And Double Insulation App 20100308673 - Purohit; Madhur M. ; et al.	2010-12-09
Power Tool Having An Electronically Commutated Motor And Double Insulation App 20100300641 - PUROHIT; Madhur M. ; et al.	2010-12-02
Power tool having an electronically commutated motor and double insulation Grant 7,791,232 - Purohit , et al. September 7, 2	2010-09-07
Electric motor having a field assembly with slot insulation Grant 7,687,964 - Du , et al. March 30, 2	2010-03-30
Motor With Permanent Magnets and Method of Manufacturing; Power Tool With Same App 20100033036 - Ortt; Earl M. ; et al.	2010-02-11
Anchoring System For A Stator Housing Assembly Having An Overmolding; Power Tool With Same App 20100013336 - Ortt; Earl M. ; et al.	2010-01-21
Power Tool Having an Electronically Commutated Motor and Double Insulation App 20090275273 - Purohit; Madhur M. ; et al.	2009-11-05
Electric Motor Having A Field Assembly With Slot Insulation App 20090200891 - Du; Hung T. ; et al.	2009-08-13
Tool for Manufacturing Coils for Dynamoelectric Machines and Method Therefor App 20090159737 - Ortt; Earl M. ; et al.	2009-06-25
Method of making an armature App 20090126184 - Smith; David J. ; et al.	2009-05-21
Electric motor having a field assembly with slot insulation Grant 7,528,520 - Du , et al. May 5, 2	2009-05-05
Tool for manufacturing coils for dynamoelectric machines and method therefor Grant 7,513,029 - Ortt , et al. April 7, 2	2009-04-07
Power Tools With Motor Having a Multi-Piece Stator App 20090021090 - Du; Hung T. ; et al.	2009-01-22
Electric motor with field assemblies having core pieces with mating features Grant 7,233,091 - Du , et al. June 19, 2	2007-06-19
Field assemblies having pole pieces with axial lengths less than an axial length of a back iron portion and methods of making same Grant 7,211,920 - Du , et al. May 1, 2	2007-05-01
Field assemblies having pole pieces with ends that decrease in width, and methods of making same Grant 7,205,696 - Du , et al. April 17, 2	2007-04-17
Electric motor having a field assembly with slot insulation App 20070024151 - Du; Hung T. ; et al.	2007-02-01
Method of making an electric motor Grant 7,146,706 - Du , et al. December 12, 2	2006-12-12
Method of making an armature App 20060254046 - Du; Hung T. ; et al.	2006-11-16
Electric motor brush assembly Grant 7,135,796 - Ortt , et al. November 14, 2	2006-11-14
Electric motor assembly Grant 7,126,242 - Williams , et al. October 24, 2	2006-10-24
Field assemblies and methods of making same with field coils having multiple coils App 20060226729 - Du; Hung T. ; et al.	2006-10-12
Stator assembly with an overmolding that secures magnets to a flux ring and the flux ring to a stator housing Grant 7,119,469 - Ortt , et al. October 10, 2	2006-10-10
Tool for manufacturing coils for dynamoelectric machines and method therefor App 20060207082 - Ortt; Earl M. ; et al.	2006-09-21
Anchoring system for injection molded magnets on a flux ring or motor housing Grant 7,102,262 - Ortt September 5, 2	2006-09-05
Flexible power tool motor pack and method of making the same Grant 7,100,705 - Ortt , et al. September 5, 2	2006-09-05
Method for making an encapsulated coil structure Grant 7,096,566 - Du , et al. August 29, 2	2006-08-29
Field assemblies and methods of making same Grant 7,078,843 - Du , et al. July 18, 2	2006-07-18
Flexible power tool motor pack and method of making the same Grant 7,063,170 - Ortt , et al. June 20, 2	2006-06-20
Brush assembly Grant 7,059,038 - Ortt , et al. June 13, 2	2006-06-13
Stator assembly with an overmolding that secures magnets to a flux ring and the flux ring to a stator housing Grant 6,983,529 - Ortt , et al. January 10, 2	2006-01-10
Flexible power tool motor pack and method of making the same App 20060000623 - Ortt; Earl M. ; et al.	2006-01-05
Brush assembly App 20050253477 - Ortt, Earl M. ; et al.	2005-11-17
Dynamoelectric machine having encapsulated coil structure with one or more of phase change additives, insert molded features and insulated pinion Grant 6,946,758 - Du , et al. September 20, 2	2005-09-20
Electric motor brush assembly App 20050191888 - Ortt, Earl M. ; et al.	2005-09-01
Field assemblies having pole pieces with dovetail features for attaching to a back iron piece(s) and methods of making same App 20050189844 - Du, Hung T. ; et al.	2005-09-01
Stator assembly with an overmolding that secures magnets to a flux ring and the flux ring to a stator housing App 20050189831 - Ortt, Earl M. ; et al.	2005-09-01
Stator assembly with an overmolding that secures magnets to a flux ring and the flux ring to a stator housing App 20050188528 - Ortt, Earl M. ; et al.	2005-09-01
Field assemblies having pole pieces with axial lengths less than an axial length of a back iron portion and methods of making same App 20050189840 - Du, Hung T. ; et al.	2005-09-01
Field assemblies having pole pieces with ends that decrease in width, and methods of making same App 20050189839 - Du, Hung T. ; et al.	2005-09-01
Electric motor assembly App 20050184608 - Williams, Robert B. ; et al.	2005-08-25
End cap and brush box assembly Grant 6,909,218 - Ortt , et al. June 21, 2	2005-06-21
Stator assembly with an overmolding that secures magnets to a flux ring and the flux ring to a stator housing Grant 6,903,475 - Ortt , et al. June 7, 2	2005-06-07
Electric motor with field assemblies having core pieces with mating features App 20050099087 - Du, Hung T. ; et al.	2005-05-12
Electric motor having a field assembly with slot insulation App 20050099085 - Du, Hung T. ; et al.	2005-05-12
Field assemblies and methods of making same App 20050057113 - Du, Hung T. ; et al.	2005-03-17
Electric motor end plate with visual alignment indicia Grant 6,858,957 - Ortt , et al. February 22, 2	2005-02-22
Electric motor brush assembly Grant 6,798,109 - Ortt , et al. September 28, 2	2004-09-28
End cap and brush box assembly App 20040164643 - Ortt, Earl M. ; et al.	2004-08-26
Flexible power tool motor pack and method of making the same App 20040163831 - Ortt, Earl M. ; et al.	2004-08-26
Motor for a power tool Grant 6,781,267 - Ortt , et al. August 24, 2	2004-08-24
Permanent magnet motor flux rings Grant 6,750,579 - Verbrugge , et al. June 15, 2	2004-06-15
Stator assembly with an overmolding that secures magnets to a flux ring and the flux ring to a stator housing App 20040104636 - Ortt, Earl M. ; et al.	2004-06-03
Electric motor end plate with visual alignment indicia App 20040084981 - Ortt, Earl M. ; et al.	2004-05-06
Electric motor brush assembly App 20040084990 - Ortt, Earl M. ; et al.	2004-05-06
Electric motor assembly Grant 6,713,916 - Williams , et al. March 30, 2	2004-03-30
Dynamoelectric machine having encapsulated coil structure with one or more of phase change additives, insert molded features and insulated pinion App 20040056537 - Du, Hung T. ; et al.	2004-03-25
Dynamoelectric machine having an encapsulated coil structure App 20040056538 - Du, Hung T. ; et al.	2004-03-25
Brush assembly App 20040004409 - Ortt, Earl M. ; et al.	2004-01-08
Combined fastenerless motor end cap and output device mounting Grant 6,672,402 - Ortt , et al. January 6, 2	2004-01-06
Brush Assembly App 20030230951 - Ortt, Earl M. ; et al.	2003-12-18
Brush assembly Grant 6,664,701 - Ortt , et al. December 16, 2	2003-12-16
Permanent magnet motor flux rings Grant 6,606,779 - Verbrugge , et al. August 19, 2	2003-08-19
Combined fastenerless motor end cap and output device mounting App 20030121676 - Ortt, Earl M. ; et al.	2003-07-03
Permanent magnet motor flux rings Grant 6,522,041 - Verbrugge , et al. February 18, 2	2003-02-18
Anchoring system for injection molded magnets on a flux ring or motor housing Grant 6,522,042 - Du , et al. February 18, 2	2003-02-18
Motor for a power tool App 20020190583 - Ortt, Earl M. ; et al.	2002-12-19
Permanent magnet motor flux rings App 20020171307 - Verbrugge, Brandon ; et al.	2002-11-21
Permanent magnet motor flux rings App 20010020806 - Verbrugge, Brandon ; et al.	2001-09-13
Anchoring system for injection molded magnets on a flux ring or motor housing App 20010010440 - Ortt, Earl M.	2001-08-02