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

Ron Hall — 1 Patent in 2020

RARolls-Royce North America: 1 patents #57 of 135Top 45%
Prospect Heights, IL: #7 of 14 inventorsTop 50%
Illinois: #3,096 of 9,161 inventorsTop 35%
Overall (2020): #297,917 of 565,922Top 55%
1 Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10830144 Gas turbine engine compressor impeller cooling air sinks Tony A. Lambert, Behram V. Kapadia 2020-11-10