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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Bernd Neffgen — 3 Patents

WIWitco: 2 patents #46 of 201Top 25%
SCSchering: 1 patents #1,469 of 2,442Top 65%
Cappenberg, DE: #1 of 1 inventorsTop 100%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Bernd Neffgen has been granted 3 US patents while listed as an inventor at Witco. The first was granted in 1984 and the most recent in May 1994. Bernd Neffgen ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Bernd Neffgen in Cappenberg, DE.

Patents per Year

Patents granted per year, 1984 to 1994Bar chart with a peak of 1 patents in 1984.peak 11984: 1 patents19841993: 1 patents19931994: 1 patents1994

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5314971 Urethane-modified polyoxyalkylene epoxy resins Wolfgang Scherzer 1994-05-24 $8,927,000
5274012 Hydroxyl group-containing epoxy resin reacted with polyoxyalkylene (urethane)-isocyanate Wolfgang Scherzer 1993-12-28 $7,745,000
4435558 Hardenable urethane-epoxy resin mixtures Christian Burba, Hermann-Josef Lucas 1984-03-06