JB

Johannes A. M. Butter

HB Hoogovens Groep B.V.: 2 patents #12 of 138Top 9%
📍 Uitgeest, NL: #5 of 24 inventorsTop 25%
Overall (All Time): #1,636,860 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5704782 Wear lining for a rotary furnace Joachim Schulze 1998-01-06
4768756 Converter for preparing steel and a gas supply device for such a converter Jan S. De Vries 1988-09-06
4510793 Method of monitoring the wear of a refractory lining of a metallurgical furnace wall Hendrikus T. Ploegaert, Ronald N. Molenaar 1985-04-16