Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DH

David E. Henderson — 1 Patent in 2021

NCNuvera Fuel Cells: 1 patents #2 of 5Top 40%
Darien, CT: #6 of 14 inventorsTop 45%
Connecticut: #1,399 of 4,045 inventorsTop 35%
Overall (2021): #484,387 of 548,734Top 90%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10923745 Systems and methods for fuel cell gas circulation Christopher Ainscough 2021-02-16