Willem Derks — 5 Patents at Shell Usa

Willem Derks has been granted 5 US patents while listed as an inventor at Shell Usa. The first was granted in 2002 and the most recent in April 2025. Willem Derks ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Willem Derks in Amsterdam, NL.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
12270000	Recovery of aliphatic hydrocarbons	Jean-Paul Lange, Kai Fischer, Guus VAN ROSSUM, Timothé Johannes Olthof, Hendrik Stichter	2025-04-08
11920094	Method of pretreating and converting hydrocarbons	—	2024-03-05
11891574	Recovery of aliphatic hydrocarbons	Jean-Paul Lange, Luis Alberto Grau Lisnier, Kai Fischer	2024-02-06
6580008	Catalytic process for producing an alkylene glycol with reactor-output recycle	Eugene Marie Godfried Andre Van Kruchten	2003-06-17
6365761	Process for preparing alkylene oxide	Hendrik Dirkzwager, Alexander Jan Van Der Veen, Rutger Johannes Franciscus Wermeling	2002-04-02

Willem Derks — 5 Patents

Issued Patents All Time

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