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

Richard A. Appleton — 4 Patents

FPFisons Plc: 4 patents #16 of 140Top 15%
Loughborough, GB: #62 of 330 inventorsTop 20%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Richard A. Appleton has been granted 4 US patents while listed as an inventor at Fisons Plc. The first was granted in 1981 and the most recent in June 1995. Richard A. Appleton ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Richard A. Appleton in Loughborough, GB.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5428044 Anti-inflammatory 4-aminophenyl derivatives John Bantick, David Hardern, John Dixon, David J. Wilkinson 1995-06-27 $118,000
4810719 Anti-inflammator 1,n-diarylpyrazol-3-amines Sidney C. Burford, David Hardern, David J. Wilkinson 1989-03-07 $173,000
4803216 Pyrazole-3-amines as anti-inflammatory agents John Dixon, Sidney C. Burford 1989-02-07 $105,000
4296114 3,4-Dihydro-3-oxopyrido[2,3-b]-pyrazines, compositions and use thereof David E. Johnston 1981-10-20 $900,000