Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7727379 | Process to continuously prepare two or more base oil grades and middle distillates | Nicholas J. Adams, Harmannus Julius Hegge, Laurent Georges Huve, Kevin John Anthony Polder | 2010-06-01 |
| 4809886 | Apparatus for controlling a flow of granular material | Hendrik A. Dirkse, Andrew M. Scott | 1989-03-07 |
| 4664889 | Apparatus for separating hydrocarbon products from catalyst particles | Ringnerus P. van der Werf, Jan Haringa | 1987-05-12 |
| 4300801 | Method of solution mining salts from an underground salt deposit | — | 1981-11-17 |