Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.

Nathan James Grathwohl

Hamilton Sundstrand: 1 patents #104 of 317Top 35%

📍 Town of East Hartford, CT: #7 of 15 inventorsTop 50%

🗺 Connecticut: #810 of 2,605 inventorsTop 35%

Overall (2025): #270,260 of 469,880Top 60%

Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
12296963	Environmental control system including mixed-flow turbine	Viktor Kilchyk, Mark Vignali	2025-05-13