Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6487876 | Method for providing refrigeration to parallel heat exchangers | Howard C. Rowles | 2002-12-03 |
| 6349566 | Dephlegmator system and process | Howard C. Rowles, Randy James Nickel, Gene A. Lucadamo, Bruce M. Hill | 2002-02-26 |
| 6266977 | Nitrogen refrigerated process for the recovery of C2+ Hydrocarbons | Howard C. Rowles, Mark Julian Roberts | 2001-07-31 |
| 5983665 | Production of refrigerated liquid methane | Howard C. Rowles, Richard Alan Wright, Christopher F. Harris, Glenn E. Kinard, Robert Davis | 1999-11-16 |
| 5802871 | Dephlegmator process for nitrogen removal from natural gas | Howard C. Rowles | 1998-09-08 |
| 5741350 | Recovery of hydrocarbons from polyalkene product purge gas | Howard C. Rowles | 1998-04-21 |
| 5634354 | Olefin recovery from olefin-hydrogen mixtures | Howard C. Rowles | 1997-06-03 |
| 5533437 | Recovery of hydrocarbons from polyalkene product purge gas | Howard C. Rowles | 1996-07-09 |
| 5502972 | Mixed refrigerant cycle for ethylene recovery | Howard C. Rowles | 1996-04-02 |
| 5497626 | Open loop mixed refrigerant cycle for ethylene recovery | Howard C. Rowles | 1996-03-12 |
| 5379597 | Mixed refrigerant cycle for ethylene recovery | Howard C. Rowles | 1995-01-10 |
| 5377490 | Open loop mixed refrigerant cycle for ethylene recovery | Howard C. Rowles | 1995-01-03 |
| 5361589 | Precooling for ethylene recovery in dual demethanizer fractionation systems | Howard C. Rowles | 1994-11-08 |
| 4832830 | Method for olefinic separation | — | 1989-05-23 |
| 4734115 | Low pressure process for C.sub.3.sup.+ liquids recovery from process product gas | Howard C. Rowles | 1988-03-29 |