Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5419873 | Apparatus for transfer of acid catalyst | Keith W. Hovis | 1995-05-30 |
| 5252295 | Control of HF alkylation propane stripper | Keith W. Hovis, Michael L. Gray | 1993-10-12 |
| 5157195 | Control of HF alkylation propane stripper | Keith W. Hovis, Michael L. Gray | 1992-10-20 |
| 4982036 | Transfer of acid catalyst | Keith W. Hovis | 1991-01-01 |
| 4677244 | Catalytic alkylation process and apparatus | Keith W. Hovis | 1987-06-30 |
| 4369026 | Control of the fuel/oxygen ratio for a combustion process | John Morgan | 1983-01-18 |