Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8480879 | Process for improving lubricating qualities of lower quality base oil | John M. Rosenbaum, Brent K. Lok, David C. Kramer, Stephen J. Miller | 2013-07-09 |
| 6758060 | Separating nitrogen from methane in the production of LNG | — | 2004-07-06 |
| 6336344 | Dephlegmator process with liquid additive | — | 2002-01-08 |
| 6333445 | Cryogenic separation process for the recovery of components from the products of a dehydrogenation reactor | — | 2001-12-25 |
| 6289693 | Cryogenic and membrane synthesis gas production | — | 2001-09-18 |
| 5176002 | Method of controlling vapor loss from containers of volatile chemicals | Robert A. Wojnarowski | 1993-01-05 |
| 4993875 | Pipe sealing and anti-corrosion system | James J. Nicholson, Erwin P. Miller, Daniel P. Walsh, Steve Bowles | 1991-02-19 |
| RE32600 | Distillative separation employing bottom additives | James M. Ryan | 1988-02-16 |
| 4681612 | Process for the separation of landfill gas | Arthur S. Holmes, Richard Hopewell | 1987-07-21 |
| RE32068 | Distillative separation employing bottom additives | James M. Ryan | 1986-01-21 |
| 4451274 | Distillative separation of methane and carbon dioxide | — | 1984-05-29 |
| 4444576 | Energy-saving distillative separation using low-temperature heat input | James M. Ryan | 1984-04-24 |
| 4428759 | Distillative separation employing bottom additives | James M. Ryan | 1984-01-31 |
| 4383842 | Distillative separation of methane and carbon dioxide | — | 1983-05-17 |