Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660715 | Apparatus and method for quenching in hydroprocessing of a hydrocarbon feed stream | Harold J. Trimble, Bruce Reynolds, Robert W. Bachtel, Robert J. Klett, David N. Brossard | 1997-08-26 |
| 5648051 | Apparatus and method for quenching in hydroprocessing of a hydrocarbon feed stream | Harold J. Trimble, Bruce Reynolds, Robert W. Bachtel, Robert J. Klett, David N. Brossard | 1997-07-15 |
| 5603904 | Apparatus for catalyst replacement | Robert W. Bachtel, Yoshitomo Ohara, Toshio Ishizuka, Tsunehiko Hiraga, Krishniah Parimi | 1997-02-18 |