CJ

Cornelis Roelof Jonker

ES Element Six Abrasives S.A.: 2 patents #2 of 18Top 15%
EL Element Six Limited: 2 patents #7 of 48Top 15%
BH Baker Hughes Holdings: 1 patents #242 of 674Top 40%
📍 Springs, ZA: #1 of 8 inventorsTop 15%
Overall (2017): #82,508 of 506,227Top 20%
3
Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9844814 Superhard tool tip, method for making same and tool comprising same Robert Fries, Maweja Kasonde, John James Barry 2017-12-19
9566688 Insert for an attack tool, method for making same and tools incorporating same Roger William Nigel Nilen, Anthony A. DiGiovanni 2017-02-14
9562431 Tip for a pick tool, method of making same and pick tool comprising same Robert Fries 2017-02-07