Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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John Slinger — 3 Patents

Rolls-Royce Plc: 3 patents #824 of 2,886Top 30%
Derby, GB: #243 of 964 inventorsTop 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
John Slinger has been granted 3 US patents. The first was granted in 1982 and the most recent in April 2005. John Slinger ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list John Slinger in Derby, GB.

Patents per Year

Patents granted per year, 1982 to 2005Bar chart with a peak of 1 patents in 1982.peak 11982: 1 patents19821983: 1 patents19832005: 1 patents2005

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6874987 Cooled turbine blade David W. Barrett, Christopher Michael Robson 2005-04-05
4421153 Method of making an aerofoil member for a gas turbine engine Wilfred H. Wilkinson, Edwin Pateman, Anthony G. Gale 1983-12-20
4321010 Aerofoil member for a gas turbine engine Wilfred H. Wilkinson, Edwin Pateman, Anthony G. Gale 1982-03-23