Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5851265 | Selective removal and recovery of sulfur dioxide from effluent gases using organic phosphorous solvents | Brian Burmaster | 1998-12-22 |
| 5538707 | Acid concentration control in SO.sub.3 absorption | — | 1996-07-23 |
| 5503821 | Methods for recovering high grade process energy from a contact sulfuric acid process | Daniel Schneider | 1996-04-02 |
| 5130112 | Method for recovering high grade process energy from a contact sulfuric acid process | Daniel Schneider | 1992-07-14 |
| 5118490 | Absorption of wet conversion gas | — | 1992-06-02 |
| 4996038 | Heat recovery from concentrated sulfuric acid | Steven A. Ziebold | 1991-02-26 |
| 4818257 | Fiber bed separator and process for removal of aerosols from high velocity gas without re-entrainment | Eugene D. Kennedy, Albert E. Tung | 1989-04-04 |
| 4689127 | Control of anodic passivation systems | — | 1987-08-25 |
| 4670242 | Heat recovery from concentrated sulfuric acid | Steven A. Ziebold | 1987-06-02 |
| 4576813 | Heat recovery from concentrated sulfuric acid | Steven A. Ziebold | 1986-03-18 |
| 4478809 | Economizer arrangement | Steven A. Ziebold | 1984-10-23 |