FK

Frank Kaptein

HB Hoogovens Groep B.V.: 2 patents #12 of 138Top 9%
📍 Beverwijk, NL: #14 of 62 inventorsTop 25%
Overall (All Time): #2,317,740 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5031882 Channel structure for flow of molten pig iron Jacobus Van Laar, Ronald J. M. Stokman 1991-07-16
4787605 Coolable furnace wall structure 1988-11-29