Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ryan Calkin — 1 Patent in 2021

General Motors: 1 patents #473 of 1,408Top 35%
Ferndale, MI: #14 of 36 inventorsTop 40%
Michigan: #3,301 of 9,874 inventorsTop 35%
Overall (2021): #278,812 of 548,734Top 55%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11001247 Method for suggesting activation of an exhaust brake Maqsood Rizwan Ali Khan, Mark R. Claywell 2021-05-11 $38,952,000