Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10012438 | Method and apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system | Hai Du, Yang Luo, Neil A. Stephenson | 2018-07-03 |
| 10012437 | Method and apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system | Hai Du, Yang Luo, Neil A. Stephenson | 2018-07-03 |
| 9222725 | Air separation method and apparatus | Richard John Jibb | 2015-12-29 |
| 8484992 | Krypton xenon recovery from pipeline oxygen | David R. Parsnick, Ihuaku Ihejirika | 2013-07-16 |
| 8448463 | Cryogenic rectification method | Wei Zhang | 2013-05-28 |
| 8443625 | Krypton and xenon recovery method | John B. Saunders | 2013-05-21 |
| 7665329 | Cryogenic air separation process with excess turbine refrigeration | Peter James Rankin | 2010-02-23 |
| 7533540 | Cryogenic air separation system for enhanced liquid production | — | 2009-05-19 |
| 7487648 | Cryogenic air separation method with temperature controlled condensed feed air | Joseph Alfred Weber, M. Mushtaq Ahmed, Todd Alan Skare | 2009-02-10 |
| 7299656 | Cryogenic rectification system for neon production | Joseph Alfred Weber | 2007-11-27 |
| 7114352 | Cryogenic air separation system for producing elevated pressure nitrogen | Peter James Rankin | 2006-10-03 |
| 6881354 | Multicomponent refrigerant fluids for low and cryogenic temperatures | Bayram Arman, M. Abdul-Aziz Rashad, Henry Edward Howard | 2005-04-19 |
| 6626008 | Cold compression cryogenic rectification system for producing low purity oxygen | Minish Mahendra Shah | 2003-09-30 |
| 6622520 | Cryogenic rectification system for producing low purity oxygen using shelf vapor turboexpansion | Minish Mahendra Shah | 2003-09-23 |
| 6286336 | Cryogenic air separation system for elevated pressure product | — | 2001-09-11 |
| 5916262 | Cryogenic rectification system for producing low purity oxygen and high purity oxygen | James R. Handley, Ravindra F. Pahade, Brien Scott Wierzchowski | 1999-06-29 |
| 5896755 | Cryogenic rectification system with modular cold boxes | Kenneth Kai Wong, Dante Patrick Bonaquist, John Billingham, Michael Douglas Monteith | 1999-04-27 |
| 5675977 | Cryogenic rectification system with kettle liquid column | — | 1997-10-14 |
| 5600970 | Cryogenic rectification system with nitrogen turboexpander heat pump | Raymond Francis Drnevich | 1997-02-11 |
| 5582036 | Cryogenic air separation blast furnace system | Raymond Francis Drnevich, Craig LaForce, Gerald A. Paolino | 1996-12-10 |
| 5469710 | Cryogenic rectification system with enhanced argon recovery | Henry Edward Howard, Mark Julian Roberts | 1995-11-28 |
| 5467601 | Air boiling cryogenic rectification system with lower power requirements | Gerald A. Paolino, Raymond Francis Drnevich | 1995-11-21 |
| 5398514 | Cryogenic rectification system with intermediate temperature turboexpansion | Mark Julian Roberts, Robert A. Beddome | 1995-03-21 |
| 5337570 | Cryogenic rectification system for producing lower purity oxygen | — | 1994-08-16 |
| 5197296 | Cryogenic rectification system for producing elevated pressure product | Mark Julian Roberts | 1993-03-30 |