Issued Patents 1997
Showing 1–4 of 4 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 J. Klett, David N. Brossard, David E. Earls | 1997-08-26 |
| 5648051 | Apparatus and method for quenching in hydroprocessing of a hydrocarbon feed stream | Harold J. Trimble, Bruce Reynolds, Robert J. Klett, David N. Brossard, David E. Earls | 1997-07-15 |
| 5603904 | Apparatus for catalyst replacement | Yoshitomo Ohara, Toshio Ishizuka, Tsunehiko Hiraga, Krishniah Parimi, David E. Earls | 1997-02-18 |
| 5599440 | Catalyst method and apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bed | Bruce E. Stangeland, David C. Kramer, David S. Smith, James T. McCall, Georgieanna L. Scheuerman +1 more | 1997-02-04 |