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USPTO Patent Rankings Data through Dec 31, 2025
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Roger Eijkhoudt — 7 Patents

ExxonMobil: 6 patents #1,830 of 10,161Top 20%
Shell Oil Compny: 1 patents #2,223 of 4,423Top 55%
Bunnik, NL: #5 of 36 inventorsTop 15%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Roger Eijkhoudt has been granted 7 US patents while listed as an inventor at ExxonMobil. The first was granted in 2000 and the most recent in October 2015. Roger Eijkhoudt ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Roger Eijkhoudt in Bunnik, NL.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9168518 Regeneration of oligomerisation catalysts and their use John Stephen Godsmark, Georges Marie Karel Mathys, Hans K. T. Goris, Stephen H. Brown 2015-10-27 $81,440,000
7880046 Low corrosion in zeolite oligomerisation John Stephen Godsmark, Georges Marie Karel Mathys, Hubertus Joseph Beckers, Raphael Frans Caers, Stephen H. Brown 2011-02-01 $285,956,000
7541507 Oligomerization and catalysts therefor Jihad M. Dakka, Hans K. T. Goris, Georges Mathys, Marc P. H. Puttemans, Stephen H. Brown 2009-06-02 $445,602,000
7425662 Oligomerization of olefins Jon E. Stanat, Georges Marie Karel Mathys, David W. Turner, Jane C. Cheng, Stephen W. Beadle +7 more 2008-09-16 $339,001,000
7186874 Process for the oligomerization of olefins Jihad M. Dakka, Hans K. T. Goris, Georges M. K. Mathys, Marc P. H. Puttemans, Stephen H. Brown 2007-03-06 $393,614,000
7112711 Alkene oligomerization process Georges Marie Karel Mathys, Jihad M. Dakka, Machteld M. Mertens, Johan Martens, Igor V. Mishin +1 more 2006-09-26 $550,867,000
6165428 Process for the removal of metal carbonyl from a gaseous stream John Wilhelm Geus, Cornelis Jacobus Smit 2000-12-26