Edwin Maas — 4 Patents at Shell Oil Compny

Edwin Maas has been granted 4 US patents while listed as an inventor at Shell Oil Compny. The first was granted in 2019 and the most recent in May 2025. Edwin Maas ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Edwin Maas in Houston, TX, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
12311306	Gas phase settling (GPS) tray	Johannis Desiderius Stolwijk, Julien Sigaud	2025-05-27
11325088	Method of cleaning spent catalyst material	Ruud Kneppers	2022-05-10
10562002	Easy clean catalyst filter basket	Ruud Kneppers	2020-02-18
10293321	Tray support inserts for chemical reactor vessels and methods of use	Remco SCHILTHUIZEN	2019-05-21

Edwin Maas — 4 Patents

Issued Patents All Time

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