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

Mark Spruce — 10 Patents in 2021

Rolls-Royce Plc: 10 patents #3 of 327Top 1%
RDRolls-Royce Deutschland: 1 patents #18 of 92Top 20%
Derby, GB: #3 of 134 inventorsTop 3%
Overall (2021): #7,922 of 548,734Top 2%
10 Patents 2021

Issued Patents 2021

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
11162431 Gas turbine engine having gearbox support shear stress ratio 2021-11-02
11149652 Gearboxes for aircraft gas turbine engines 2021-10-19
11143112 High power epicyclic gearbox and operation thereof 2021-10-12
11098656 Aircraft engine 2021-08-24
11085523 Planetary gearing Michael Nique, Paul Gorenz, Christopher M. Campbell, Frank Wagner, Daren R. Ashmore 2021-08-10
11022046 Reliable gearbox for gas turbine engine 2021-06-01
11022044 Geared gas turbine engine 2021-06-01
10982563 Gearboxes for aircraft gas turbine engines 2021-04-20
10961918 Reliable gearbox for gas turbine engine 2021-03-30
10914241 High power epicyclic gearbox and operation thereof 2021-02-09