HR

Herman P. Ruyter

Shell Oil Compny: 6 patents #511 of 4,423Top 15%
Overall (All Time): #888,658 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5633299 Wood composite Martinus L. Van Druten, Aletta A. Ten Hoeve, Evert Van Der Heide, Gerrit Vietje 1997-05-27
5555642 Process for upgrading low-quality wood Peter Carlo Rem, Hans Van Der Poel 1996-09-17
5451361 Process for upgrading low-quality wood Anton Hortulanus 1995-09-19
5334445 Cellulosic fibrous aggregate and a process for its preparation Anton Hortulanus, Jan Dekker 1994-08-02
4670613 Process for producing hydrocarbon-containing liquids from biomass Johannes H. J. Annee 1987-06-02
4285140 Dewatering and upgrading low rank coal by a two-step hydrothermal treatment Leopold van Raam, Josefus W. van Breugel 1981-08-25