DL

Derek F. Lahr

General Motors: 70 patents #81 of 18,328Top 1%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Ann Arbor, MI: #60 of 6,071 inventorsTop 1%
🗺 Michigan: #426 of 86,293 inventorsTop 1%
Overall (All Time): #25,942 of 4,157,543Top 1%
74
Patents All Time

Issued Patents All Time

Showing 1–25 of 74 patents

Patent #TitleCo-InventorsDate
12424892 Stabilized core assembly for carbon fiber sleeved electric motor rotor Anthony M. Coppola, Alireza Fatemi, Erik B. Golm, Alan G. Holmes, Michael B. Viola 2025-09-23
12199253 Laminated thermal barrier for anisotropic heat transfer 2025-01-14
12155266 Bridgeless and webless rotor assembly using polymer composites Anthony M. Coppola, Alireza Fatemi, Kestutis A. Sonta, Alan G. Holmes 2024-11-26
12088146 Rotor for an electric machine, electric machine for a vehicle, and vehicle Alireza Fatemi, Anthony M. Coppola, Alan G. Holmes 2024-09-10
12062946 Reinforced rotor for an electric machine Alireza Fatemi, Anthony M. Coppola, Kestutis A. Sonta 2024-08-13
12046952 Disconnected rotor web for increased reluctance Anthony M. Coppola, Alireza Fatemi 2024-07-23
11916446 Rotor assembly with solid low friction layer and press-fit sleeve Anthony M. Coppola, Alireza Fatemi, Kestutis A. Sonta, Alan G. Holmes 2024-02-27
11876409 Reinforced rotor for an electric machine Alireza Fatemi, Anthony M. Coppola 2024-01-16
11777348 Rotor core with load bearing polymer and insert Alireza Fatemi, Anthony M. Coppola 2023-10-03
11728535 Battery module housing cooling assembly Farzad Samie, Anthony M. Coppola, Jian Gao, Velmurugan Ayyanar, SeungHwan Keum 2023-08-15
11722043 Synchronous machine having hybrid rotor excitation Alireza Fatemi, Shawn H. Swales, Mohammad F. Momen 2023-08-08
11713803 Carbon fiber composite drive unit housings for electric vehicles Anthony M. Coppola, Alireza Fatemi, Alan G. Holmes, Bradley A. Newcomb 2023-08-01
11708869 Selectable one-way clutches with notch plate inserts for engine disconnect devices of motor vehicle powertrains Chunhao J. Lee, Farzad Samie, Dongxu Li, Dmitriy Bruder 2023-07-25
11646620 Preloading magnets in a rotor core Farzad Samie, Edward L. Kaiser 2023-05-09
11575299 Method for heat-treating magnet web regions of a rotor Alireza Fatemi, Anthony M. Coppola, Sean Robert Wagner 2023-02-07
11545860 Inserts for motor rotor core Alireza Fatemi, Farzad Sarnie, Thomas W. Nehl 2023-01-03
11476733 Electric machine with forced convection-based rotor cooling of rotor magnets Farzad Samie, Alireza Fatemi, Erik B. Golm, Xiaofeng Yang 2022-10-18
11451123 Expandable rotor Alireza Fatemi, Thomas W. Nehl 2022-09-20
11383696 Method and apparatus for controlling a powertrain system Neeraj S. Shidore, Norman K. Bucknor, Dongxu Li, Mark Tadrous, Suresh Gopalakrishnan +1 more 2022-07-12
11387712 Method to reduce oil shear drag in airgap Farzad Samie, Alireza Fatemi 2022-07-12
11220172 Motor vehicle hybrid powertrain Neeraj S. Shidore, Lei Hao, Madhusudan Raghavan, Suresh Gopalakrishnan 2022-01-11
11171545 Reinforced stator housing for an electric motor Anthony M. Coppola, Alireza Fatemi, Bradley A. Newcomb, Sean Robert Wagner 2021-11-09
11133724 Rotor with compressive structural elements Alireza Fatemi, Farzad Samie 2021-09-28
11121592 Electric machine core with arcuate grain orientation Alireza Fatemi, James B. Borgerson 2021-09-14
11088607 Axial flux machine with nutating rotor Alireza Fatemi 2021-08-10