Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Scot A. Douglas — 26 Patents

General Motors: 25 patents #479 of 18,328Top 3%
Howell, MI: #25 of 595 inventorsTop 5%
Michigan: #2,695 of 86,293 inventorsTop 4%
Overall (All Time): #154,558 of 4,157,543Top 4%
26 Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #TitleCo-InventorsDate
7742869 Late intake valve closing to improve cold startability for spark-ignition direct-injection (SIDI) engines Vijay Ramappan, Jesse M. Gwidt, Stuart R. Smith, Michael J. Lucido, Kenneth J. Cinpinski 2010-06-22