DC

David Crecelius

AM American Axle & Manufacturing: 14 patents #14 of 345Top 5%
DA Delco Remy America: 3 patents #2 of 13Top 20%
LE Light Engineering: 2 patents #5 of 9Top 60%
Delphi Technologies: 1 patents #2,130 of 4,124Top 55%
General Motors: 1 patents #9,361 of 18,328Top 55%
📍 Riverwood, IN: #1 of 6 inventorsTop 20%
🗺 Indiana: #1,214 of 33,936 inventorsTop 4%
Overall (All Time): #179,189 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
12355308 Electric drive module having motor with heat sink insert in rotor shaft Jeffrey J. Ronning, James P. Downs, John C. Morgante, Peter Fischer, Zugang Huang +1 more 2025-07-08
12057738 Electric motor and stator cooling apparatus John C. Morgante, James P. Downs, Peter Fischer, Jeffrey J. Ronning 2024-08-06
11888356 Electric drive module having motor with heat sink insert in rotor shaft Jeffrey J. Ronning, James P. Downs, John C. Morgante, Peter Fischer, Zugang Huang +1 more 2024-01-30
11862543 Electric drive module James P. Downs, Jeffrey J. Ronning, Paul J. Valente, John C. Morgante 2024-01-02
11863046 Electric drive unit James P. Downs, Paul J. Valente, Jeffrey J. Ronning, John C. Morgante, Zugang Huang 2024-01-02
11626765 Electric drive module having motor with heat sink insert in rotor shaft Jeffrey J. Ronning, James P. Downs, John C. Morgante, Peter Fischer, Zugang Huang +1 more 2023-04-11
11569698 Electric motor and stator cooling apparatus John C. Morgante, James P. Downs, Peter Fischer, Jeffrey J. Ronning 2023-01-31
11456239 Electric drive module James P. Downs, Jeffrey J. Ronning, Paul J. Valente, John C. Morgante 2022-09-27
11303183 Electric drive module James P. Downs, Jeffrey J. Ronning, Paul J. Valente, John C. Morgante 2022-04-12
11218063 Segmented switched reluctance motor for powertrain electrification James P. Downs 2022-01-04
10879749 Electric motor and stator cooling apparatus John C. Morgante, James P. Downs, Peter Fischer, Jeffrey J. Ronning 2020-12-29
10516323 Segmented switched reluctance motor for powertrain electrification James P. Downs 2019-12-24
9862289 Drive system with limited slip electric differential drive unit 2018-01-09
9669698 Electric hybrid drive for retrofitting to internal combustion vehicles Peter Fischer, Jeff Ronning, Sean M. Stanley, John E. Waters 2017-06-06
9651131 Clutch system configured to enhance engagement performance of clutch teeth Satyanarayanan Raghavan, William Wang 2017-05-16
7372185 High-intensity discharge lighting system and alternator power supply Andrew D. Hirzel 2008-05-13
7180216 High-intensity discharge lighting system and alternator power supply Andrew D. Hirzel 2007-02-20
6414832 Thermal protection device for a remotely regulated vehicle alternator Richard J. Voss 2002-07-02
6396161 Integrated starter alternator troller David Fulton 2002-05-28
6359439 Compression sense ignition system with fault mode detection and having improved capacitive sensing Gerard Darryl Nichols, Royland Anthony Walker, Steven Mark Bezdek, Joel F. Downey 2002-03-19
6081084 Sensorless power angle control for a vehicle alternator 2000-06-27
5811957 Speed sensorless hybrid vector controlled induction motor with zero speed operation Bimal K. Bose, Marcelo Simoes, Kaushik Rajashekara, Ronald A. Martin 1998-09-22
5354058 Board game 1994-10-11