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USPTO Patent Rankings Data through Dec 31, 2025
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Robert L. Smith — 4 Patents

3M: 3 patents #4,239 of 11,543Top 40%
New Brighton, MN: #126 of 414 inventorsTop 35%
Minnesota: #16,016 of 52,454 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Robert L. Smith has been granted 4 US patents while listed as an inventor at 3M. The first was granted in 1996 and the most recent in May 2023. Robert L. Smith ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Robert L. Smith in New Brighton, MN, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11642304 Dimethylsiloxane-alkylene oxide copolymers Thomas Guy Alabaster, Hannah Ruth Beasley-Suffolk, John Mark Bilney, Ella-Louise Ceraulo, John Ing Chuan Daly +4 more 2023-05-09
RE36855 Solventless compounding and coating of non-thermoplastic hydrocarbon elastomers Timothy D. Bredahl, Harold W. Leverty, Richard E. Bennett, David J. Yarusso, Daniel C. Munson +1 more 2000-09-05
5550175 Solventless compounding and coating of non-thermoplastic hydrocarbon elastomers Timothy D. Bredahl, Harold W. Leverty, Richard E. Bennett, David J. Yarusso, Daniel C. Munson +1 more 1996-08-27 $14,580,000
5539033 Solventless compounding and coating of non-thermoplastic hydrocarbon elastomers Timothy D. Bredahl, Harold W. Leverty, Richard E. Bennett, David J. Yarusso, Daniel C. Munson +1 more 1996-07-23 $12,128,000