Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Keith E. Ritchie — 2 Patents

RORohr: 2 patents #147 of 452Top 35%
San Diego, CA: #11,944 of 23,606 inventorsTop 55%
California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #1,889,295 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11136942 Acoustic deep cavity centerbody Carlos A. Lopez, Lisa K. Martini-Saliers, David J. Gaul, Jose S. Alonso-Miralles 2021-10-05
9623976 Nacelle for a high bypass ratio engine with multiple flow paths Norman John James, Thomas W. Scott 2017-04-18