Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
SF

Stephen Fan

Ford: 4 patents #4,025 of 17,473Top 25%
Northville, MI: #401 of 1,240 inventorsTop 35%
Michigan: #22,048 of 86,293 inventorsTop 30%
Overall (All Time): #1,228,698 of 4,157,543Top 30%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8534571 Switchable radiator bypass valve set point to improve energy efficiency William Samuel Schwartz, Chendong Huang, Upendra Patel, Ken Jackson, Joseph F. Stanek 2013-09-17
8246817 Deionization filter for fuel cell vehicle coolant Mukesh Kumar, George Shih 2012-08-21
7886988 Switchable radiator bypass valve set point to improve energy efficiency William Samuel Schwartz, Chendong Huang, Upendra Patel, Ken Jackson, Joseph F. Stanek 2011-02-15
7445705 Particle filter for fuel cell coolant Mukesh Kumar, George Shih 2008-11-04