Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8152898 | Helium recovery process | Ravi Prasad, James J. Maloney | 2012-04-10 |
| 7064834 | Method for analyzing impurities in carbon dioxide | Michael Clinton Johnson, John Fredric Billingham, Mark Leonard Malczewski | 2006-06-20 |
| 6962629 | Method for moving contaminants from gases | Michael Clinton Johnson, John Fredric Billingham | 2005-11-08 |
| 6669916 | Method and apparatus for purifying carbon dioxide feed streams | Amitabh Gupta | 2003-12-30 |
| 5787730 | Thermal swing helium purifier and process | James J. Maloney | 1998-08-04 |
| 5730782 | Isobaric moving bed continuous gas purifier | Arun Acharya, Barry Minbiole, James J. Carlins, Eriks Arvids Niparts, William E. BeVier | 1998-03-24 |
| 5524442 | Cooling system employing a primary, high pressure closed refrigeration loop and a secondary refrigeration loop | Thomas John Bergman, Jr., Mark Julian Roberts, Arun Acharya, Alfred M. Czikk | 1996-06-11 |
| 5390533 | Pressurizing with and recovering helium | Thomas R. Schulte, Vladimir T. Gorjaczkowski, Salvatore Giglia | 1995-02-21 |
| 5391358 | Gas purification system | — | 1995-02-21 |
| 5344480 | Pressurizing with and recovering helium | Thomas R. Schulte, Vladimir T. Gorjaczkowski, Salvatore Giglia | 1994-09-06 |
| 5308072 | Golf club counterweight apparatus | Anthony J. Pettinelli | 1994-05-03 |