Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6554994 | Upflow reactor system with layered catalyst bed for hydrotreating heavy feedstocks | Bruce Reynolds, Fred W. Lam, Julie Chabot, Fernando J. Antezana, Kirk R. Gibson +2 more | 2003-04-29 |
| 6031146 | Thermocouple well assembly with a sealing coupling and a method for eliminating leaks in hydroconversion reactors while continuing to hydroprocess | — | 2000-02-29 |
| 5958220 | Gas-pocket distributor and method for hydroprocessing a hydrocarbon feed stream | Bruce Reynolds, Bruce E. Stangeland, Krishniah Parimi | 1999-09-28 |
| 5885534 | Gas pocket distributor for hydroprocessing a hydrocarbon feed stream | Bruce Reynolds, Bruce E. Stangeland, Krishniah Parimi | 1999-03-23 |
| 5858311 | Thermocouple well assembly with a sealing coupling and a method for eliminating leaks in hydroconversion reactors while continuing to hydroprocess | — | 1999-01-12 |
| 5733440 | 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 | 1998-03-31 |
| 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 |
| 5527512 | Apparatus for catalyst replacement | Yoshitomo Ohara, Toshio Ishizuka, Tsunehiko Hiraga | 1996-06-18 |
| 5522983 | Hydrocarbon hydroconversion process | Dennis R. Cash | 1996-06-04 |
| 5498327 | 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, Georgieanne L. Scheuerman +1 more | 1996-03-12 |
| 5492617 | 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 | 1996-02-20 |
| 5409598 | Method of hydroprocessing | David C. Kramer, Bruce E. Stangeland, David S. Smith, James T. McCall, Georgieanna L. Scheuerman | 1995-04-25 |
| 5302357 | Apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bed | David C. Kramer, Bruce E. Stangeland, David S. Smith, James T. McCall, Georgieanna L. Scheuerman | 1994-04-12 |
| 5232577 | Hydrocracking process with polycyclic aromatic dimer removal | John C. Fetzer, John M. Rosenbaum, Dennis R. Cash, David G. Lammel | 1993-08-03 |
| 5082551 | Hydroconversion effluent separation process | Bruce Reynolds, Donald A. Bea | 1992-01-21 |
| 5076908 | 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 | 1991-12-31 |
| 4404088 | Three-stage hydrocracking process | Dennis R. Cash | 1983-09-13 |