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USPTO Patent Rankings Data through Dec 31, 2025
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Anke Derking — 3 Patents

Shell Oil Compny: 3 patents #1,070 of 4,423Top 25%
Amsterdam, NL: #704 of 2,851 inventorsTop 25%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Anke Derking has been granted 3 US patents while listed as an inventor at Shell Oil Compny. The first was granted in 1995 and the most recent in March 2016. Anke Derking ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Anke Derking in Amsterdam, NL.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9278945 Relating to propylene oxide purification Jozef Jacobus Kaandorp, Arian Van Mourik, Manfred Heinz Voetter, Ying Zhao 2016-03-08
7863493 Process for preparing an organic hydroperoxide, industrial set-up therefore and process wherein such organic hydroperoxide is used in the preparation of an alkylene oxide Wan Foong, Raymond Lawrence June, Chao-Yuan Kho, Mohammad Azmi Bin Othman, Hoi-Yan Yuen 2011-01-04
5391362 High surface area zirconia Donald Reinalda 1995-02-21