AK

Abraham Robert De Kraker

Shell Oil Compny: 6 patents #511 of 4,423Top 15%
📍 Sugar Land, TX: #490 of 1,869 inventorsTop 30%
🗺 Texas: #24,375 of 125,132 inventorsTop 20%
Overall (All Time): #848,362 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9304119 System and method for testing engine lubricants Brian L. Papke 2016-04-05
8900875 Device for evaluating a heat exchange fluid Liliana Minevski, Tze-Lee Phang 2014-12-02
8609923 Olefin oligomer composition 2013-12-17
8383869 Olefin oligomer composition 2013-02-26
8168838 Hydrocarbon compositions useful as lubricants William J. Heilman, Yajnanarayana H. R. Jois, Wei Song 2012-05-01
7094922 Process for production of essentially chloride-free calcium sulfonate Steven Holmes, Krishna Rangraj Kaushik 2006-08-22