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USPTO Patent Rankings Data through Sept 30, 2025
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Darrell W. Burleigh — 3 Patents in 2016

General Motors: 3 patents #198 of 1,894Top 15%
Wixom, MI: #7 of 80 inventorsTop 9%
Michigan: #951 of 8,960 inventorsTop 15%
Overall (2016): #76,466 of 481,213Top 20%
3 Patents 2016

Issued Patents 2016

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9506420 External EGR rate feedback Vijay Ramappan, Gerald W. Fly 2016-11-29
9458780 Systems and methods for controlling cylinder deactivation periods and patterns Randall S. Beikmann 2016-10-04
9341088 Camshaft phaser control systems and methods Etsuko Muraji Stewart, Joseph J. Moon 2016-05-17