Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Steven J. Wellner — 3 Patents

3M: 3 patents #4,239 of 11,543Top 40%
Afton, MN: #48 of 97 inventorsTop 50%
Minnesota: #19,251 of 52,454 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Steven J. Wellner has been granted 3 US patents while listed as an inventor at 3M. The first was granted in 2004 and the most recent in May 2022. Steven J. Wellner ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Steven J. Wellner in Afton, MN, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11326040 Silicon-containing halogenated elastomers Tho Q. Nguyen, Tatsuo Fukushi, Allen M. Sohlo, Mary J. Swierczek 2022-05-10 $17,670,000
7138470 Fluoroelastomers with improved low temperature property and method for making the same Tatsuo Fukushi, Nena M. Serios 2006-11-21 $29,317,000
6773755 Process for preparing a multi-layer article having a fluoroplastic layer and an elastomer layer Tatsuo Fukushi, Robert E. Kolb, Craig R. Hoff, Attila Molnar 2004-08-10 $23,421,000