Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7645431 | Purification of noble gases using online regeneration of getter beds | Annemarie Ott Weist, Jake Fotopoulos | 2010-01-12 |
| 6723155 | Purification of gas streams | Gregory Scott Weyrich, Christopher James Raiswell, Elizabeth Salter | 2004-04-20 |
| 6276168 | Purification of nitrogen trifluoride by continuous cryogenic distillation | Zbigniew Tadeusz Fidkowski, John Frederick Cirucci, Rakesh Agrawal, Steven R. Auvil | 2001-08-21 |
| 5678425 | Method and apparatus for producing liquid products from air in various proportions | Rakesh Agrawal, Zbigniew Tadeusz Fidkowski | 1997-10-21 |
| 5656065 | Multibed pressure swing adsorption apparatus and method for the operation thereof | Mohammed Ali Kalbassi | 1997-08-12 |
| 4617036 | Tonnage nitrogen air separation with side reboiler condenser | Suresh U. Patel, Christopher F. Harris | 1986-10-14 |