Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6568209 | Cryogenic air separation system with dual section main heat exchanger | Anthony J. Kurek, Jr. | 2003-05-27 |
| 6125656 | Cryogenic rectification method for producing nitrogen gas and liquid nitrogen | Bayram Arman, Dante Patrick Bonaquist, Joseph Alfred Weber, Arun Acharya, Mohannad Abdul-Aziz Rashad | 2000-10-03 |
| 5724834 | Downflow plate and fin heat exchanger for cryogenic rectification | Vijayaraghavan Srinivasan, Michael James Lockett | 1998-03-10 |
| 5564290 | Cryogenic rectification system with dual phase turboexpansion | Dante Patrick Bonaquist, Cheryl Ann Engels, James B. Wulf, Robert A. Beddome | 1996-10-15 |
| 5537840 | Downflow plate and fin heat exchanger for cryogenic rectification | Vijayaraghavan Srinivasan, Michael James Lockett | 1996-07-23 |
| 5438836 | Downflow plate and fin heat exchanger for cryogenic rectification | Vijayaraghavan Srinivasan, Michael James Lockett | 1995-08-08 |
| 5163296 | Cryogenic rectification system with improved oxygen recovery | Ravindra F. Pahade | 1992-11-17 |
| 4957524 | Air separation process with improved reboiler liquid cleaning circuit | Ravindra F. Pahade, John K. Howell, Jr. | 1990-09-18 |
| 4453957 | Double column multiple condenser-reboiler high pressure nitrogen process | Ravindra F. Pahade, Harry Cheung | 1984-06-12 |
| 4439220 | Dual column high pressure nitrogen process | Walter Joseph Olszewski, Ravindra F. Pahade | 1984-03-27 |
| 4410343 | Air boiling process to produce low purity oxygen | — | 1983-10-18 |
| 4224045 | Cryogenic system for producing low-purity oxygen | Walter Joseph Olszewski | 1980-09-23 |