JL

Joseph R. Littlefield

General Motors: 18 patents #765 of 18,328Top 5%
📍 Sterling Heights, MI: #47 of 1,485 inventorsTop 4%
🗺 Michigan: #3,762 of 86,293 inventorsTop 5%
Overall (All Time): #206,700 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
11383593 Electric drive unit clutch Alan G. Holmes, Pete R. Garcia 2022-07-12
11035448 Multi-axis final drive assembly Alan G. Holmes 2021-06-15
10982745 Planetary differential drive system Alan G. Holmes, Brendan M. Conlon 2021-04-20
10697524 Motor vehicle powertrain Alan G. Holmes, Rebecca K. Risko Cattell 2020-06-30
10557536 Multi-axis final drive assembly Alan G. Holmes 2020-02-11
10533640 Two ratio electric drive unit Craig S. Ross 2020-01-14
10500938 Motor vehicle powertrain Alan G. Holmes, Rebecca K. Risko Cattell 2019-12-10
10377221 Powertrain including modular drive unit Alan G. Holmes 2019-08-13
10300905 Electric vehicle drive using combined differential and reduction gearing Alan G. Holmes, Min-Joong Kim, Edward A. Rapa, Jr., Brendan M. Conlon, Donald L. Dusenberry 2019-05-28
10247252 Dog clutch for a vehicle transmission Jonathan Boyd 2019-04-02
10234019 Planetary gear set bearing retainer Pete R. Garcia 2019-03-19
10190643 Synchronizer for radially applied dog clutch for a vehicle Jonathan Boyd 2019-01-29
10167906 Clutch assembly having a hydraulically actuate piston and latching device Vijay A. Neelakantan, Lawrence A. Kaminsky 2019-01-01
10138947 Radially applied dog clutch with bi-directional ratcheting for a vehicle transmission Jonathan Boyd 2018-11-27
10124661 Power-split hybrid powertrain Alan G. Holmes, Rebecca K. Risko Cattell 2018-11-13
10094427 Ball cam actuated dog clutch Pete R. Garcia 2018-10-09
10036458 Multi-axis final drive assembly Alan G. Holmes 2018-07-31
9950607 Powertrain with multi-planetary, single motor drive unit Pete R. Garcia, Alan G. Holmes 2018-04-24
9840140 Compound-power-split electrically variable transmissions with motor clutching devices Alan G. Holmes 2017-12-12
9574619 Pawl grounding clutch with synchronizer 2017-02-21
8813896 Vehicle Anthony P. Tata, Michael O. Harpster, Jr. 2014-08-26