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

Ronald W. Burrows — 9 Patents

3M: 9 patents #1,781 of 11,543Top 20%
Harlow, GB: #47 of 388 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Ronald W. Burrows has been granted 9 US patents while listed as an inventor at 3M. The first was granted in 1981 and the most recent in February 1995. Ronald W. Burrows ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Ronald W. Burrows in Harlow, GB.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5393654 Photothermographic imaging materials and sensitisers therefor David B. Oliff, James B. Philip, Jr. 1995-02-28 $11,381,000
5245045 Near infrared antihalation dyes Kevin P. Hall, Mark P. Kirk 1993-09-14 $12,832,000
5216166 Infra-red sensitive photographic materials Kevin P. Hall 1993-06-01 $7,716,000
5041550 Infra-red sensitizing dyes for silver halide Bernard A. Lea, Thomas D. G. Hellings, Charles G. Barlow, Ivan H. Skoog 1991-08-20 $7,391,000
4959294 Infra-red sensitising dyes for silver halide Bernard A. Lea, Thomas D. G. Hellings, Charles G. Barlow, Ivan H. Skoog 1990-09-25 $18,777,000
4950577 Pre-press light-sensitive color proofing article incorporating antihalation layer Duncan M. A. Grieve, John Souter 1990-08-21 $7,936,000
4857450 Silver halide photographic materials Keith A. Penfound, Bernard A. Lea 1989-08-15 $3,926,000
4581325 Photographic elements incorporating antihalation and/or acutance dyes Jonathan P. Kitchin, Bernard A. Lea 1986-04-08 $6,089,000
4283487 Thermolabile acutance dyes for dry silver Bernard A. Lea 1981-08-11 $24,362,000