Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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David N. Benton

General Motors: 1 patents #9,361 of 18,328Top 55%
Birmingham, MI: #518 of 851 inventorsTop 65%
Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,470,525 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6694243 Method and apparatus for determining oxygen storage capacity time of a catalytic converter Guojun Shi, Sharanjit Singh, Minghui Kao, David Dempsey 2004-02-17