Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10301549 | Process for depolymerizing coal to co-produce pitch and naphthalene | Gilbert A. Chalifoux | 2019-05-28 |
| 9845431 | Process for depolymerizing coal to co-produce pitch and naphthalene | Gilbert A. Chalifoux | 2017-12-19 |
| 9534176 | Process for depolymerizing coal to co-produce pitch and naphthalene | Gilbert A. Chalifoux | 2017-01-03 |
| 8597503 | Coal liquefaction system | Alfred H. Stiller | 2013-12-03 |
| 8465561 | Hydrogenated vegetable oil in coal liquefaction | Alfred H. Stiller | 2013-06-18 |
| 8226816 | Method of producing synthetic pitch | Peter G. Stansberry, Alfred H. Stiller, John W. Zondlo | 2012-07-24 |
| 6156256 | Plasma catalysis of carbon nanofibers | — | 2000-12-05 |
| 5410166 | P-N junction negative electron affinity cathode | — | 1995-04-25 |
| 5039475 | Thermionic fuel element pressure vessel | Mark S. Perry, John E. Leland | 1991-08-13 |
| 4809771 | Lih thermal storage capsule/heat exchanger | Edward T. Mahefkey, Jerry E. Beam | 1989-03-07 |
| 4755350 | Thermionic reactor module with thermal storage reservoir | — | 1988-07-05 |