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

James E. Boardman — 8 Patents

Rolls-Royce Plc: 11 patents #212 of 2,886Top 8%
Longridge, GB: #14 of 278 inventorsTop 6%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
James E. Boardman has been granted 8 US patents while listed as an inventor at Rolls-Royce Plc. The first was granted in 1991 and the most recent in April 1996. James E. Boardman ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list James E. Boardman in Longridge, GB.

Patents per Year

Patents granted per year, 1991 to 1996Bar chart with a peak of 3 patents in 1994.peak 31991: 1 patents19911994: 3 patents19941995: 3 patents19951996: 1 patents1996

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5505256 Heat exchangers and methods of manufacture thereof John O. Fowler 1996-04-09
5465484 Heat exchanger Simon Banks, Colin I. Adderley, John O. Fowler 1995-11-14
5385204 Heat exchanger and methods of manufacture thereof John O. Fowler 1995-01-31
5383518 Heat exchanger Simon Banks, Colin I. Adderley, John O. Fowler 1995-01-24
5323953 Pressurised storage for gases Colin I. Adderley, John O. Fowler, Simon Banks 1994-06-28
5297723 Diffusion bonding turbine fan disc Bryan L. Benn, Arnold J. S. Pratt, Anthony L. Pratt 1994-03-29
5287918 Heat exchangers Simon Banks, Alistair Calderwood, Colin I. Adderley, John O. Fowler 1994-02-22
5070607 Heat exchange and methods of manufacture thereof John O. Fowler 1991-12-10