Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35046 | Addition of magnetically active moieties for magnetic beneficiation of particulates in fluid bed hydrocarbon processing | William P. Hettinger, Jr. | 1995-10-03 |
| 5364827 | Composition comprising magnetically active moieties for magnetic beneficiation of particulates in fluid bed hydrocarbon processing | William P. Hettinger, Jr. | 1994-11-15 |
| 5230869 | Addition of magnetically active moieties for magnetic beneficiation of particulates in fluid bed hydrocarbon processing | William P. Hettinger, Jr. | 1993-07-27 |
| 5045176 | Carbometallic oil conversion with ballistic separation | Paul W. Walters, Dwight F. Barger | 1991-09-03 |
| 4753907 | Fluid particle material regeneration method and apparatus | Oliver J. Zandona, Paul W. Walters | 1988-06-28 |
| 4701307 | Vented riser | Paul W. Walters | 1987-10-20 |
| 4556540 | Separation of regenerated catalyst from combustion products | — | 1985-12-03 |
| 4495063 | Carbometallic oil conversion with ballistic separation | Paul W. Walters, Dwight F. Barger | 1985-01-22 |
| 4477335 | Separation of regenerated catalyst from combustion products | — | 1984-10-16 |
| 4406773 | Magnetic separation of high activity catalyst from low activity catalyst | William P. Hettinger, Jr. | 1983-09-27 |
| 4390503 | Carbometallic oil conversion with ballistic separation | Paul W. Walters, Dwight F. Barger | 1983-06-28 |