JO

Johannes H. W. Ouwerkerk

HB Hoogovens Groep B.V.: 2 patents #12 of 138Top 9%
EB Estel Hoogovens B.V.: 1 patents #5 of 48Top 15%
HB Hoogovens Ijmuiden B.V.: 1 patents #7 of 38Top 20%
📍 Driehuis, NL: #1 of 5 inventorsTop 20%
Overall (All Time): #1,307,741 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4527409 Process of hot-rolling steel using a heat-reflecting screen 1985-07-09
4521117 Arrangement for mixing a gas into a main flow of a second gas Wouter B. Lucieer, Rudolph E. Cramer 1985-06-04
4412479 Gas flow arrangement Albert Kramer, Johannes W. Mooij 1983-11-01
4390346 Apparatus for mixing at least one additional gas into a main flow of gas Rudolph E. Cramer 1983-06-28