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

Ryan Calkin

General Motors: 3 patents #4,693 of 18,328Top 30%
Ferndale, MI: #77 of 253 inventorsTop 35%
Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,433,063 of 4,157,543Top 35%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11001247 Method for suggesting activation of an exhaust brake Maqsood Rizwan Ali Khan, Mark R. Claywell 2021-05-11
10801417 Methods and systems for regulating exhaust gas flow Mark R. Claywell, Maqsood Rizwan Ali Khan 2020-10-13
9964010 Turbocharger actuation shaft exhaust leakage containment method Eric D. Thomas 2018-05-08