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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Benoit Witkamp — 3 Patents

Shell Oil Compny: 2 patents #1,477 of 4,423Top 35%
Amsterdam, NL: #704 of 2,851 inventorsTop 25%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Benoit Witkamp has been granted 3 US patents while listed as an inventor at Shell Oil Compny. The first was granted in 2017 and the most recent in September 2018. Benoit Witkamp ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Benoit Witkamp in Amsterdam, NL.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10076736 Multiple-bed downflow reactor comprising a mixing device, use of said reactor, as well as mixing method Sujatha Degaleesan 2018-09-18
9878298 Distributor device for a multiple-bed downflow reactor Sujatha Degaleesan, Charles Eduard Dammis Ouwerkerk, Rachel Anna Worthen 2018-01-30
9630159 Distributor device for a multiple-bed downflow reactor Sujatha Degaleesan, Charles Eduard Dammis Ouwerkerk, Rachel Anna Worthen 2017-04-25