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Ulrich Premel

LG L & C Steinmuller Gmbh: 2 patents #1 of 9Top 15%
Shell Oil Compny: 1 patents #115 of 337Top 35%
📍 Gummersbach, DE: #1 of 6 inventorsTop 20%
Overall (1989): #6,430 of 140,708Top 5%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4859214 Process for treating syngas using a gas reversing chamber Clifford C. Segerstrom, Jacob H. Stil, Adrianus J. Ooms, Bernardus H. Mink, Leszek Gawloski 1989-08-22
4841917 Radiation cooling unit for cooling dust-laden gases 1989-06-27
4803957 Gas/liquid heat exchanger 1989-02-14