Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5569434 | Hydrocarbon processing apparatus and method | Narasimhan Devanathan, Peter J. Klomans, William B. VanderHeyden | 1996-10-29 |
| 5443718 | Reduced gas holdup in ebullated reactor | John R. Frey | 1995-08-22 |
| 5308476 | Reduced gas holdup in an ebullated bed reactor | Lawrence B. Peck, Christos Nikolaides | 1994-05-03 |
| 5246567 | Benzene removal in an isomerization process | Frank S. Modica, Bruce A. Fleming | 1993-09-21 |
| 5219532 | Reduced gas holdup in catalytic reactor | John R. Frey | 1993-06-15 |
| 5186904 | Laboratory simulator of reactor for a petroleum refinery | David Lyzinski, James L. Taylor, William M. Hall | 1993-02-16 |
| 5081039 | Process for making catalyst inventory measurements and control procedure for adding or withdrawing catalyst | Norman K. McDaniel | 1992-01-14 |
| 4990241 | Hydrotreating process to minimize catalyst slumping | Robert E. Boening, Frank W. Pickell | 1991-02-05 |
| 4950459 | Vapor collection and process for ebullated bed reactors | John R. Frey | 1990-08-21 |
| 4808298 | Process for reducing resid hydrotreating solids in a fractionator | Lawrence B. Peck, George L. Ott, Jeffry A. Cox | 1989-02-28 |
| 4804458 | Process for collecting vapor in ebullated bed reactors | John R. Frey | 1989-02-14 |