Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4448584 | Process for removing sulfur from coal | Jui-Yuan Sun, Jin S. Yoo, Emmett H. Burk, Jr. | 1984-05-15 |
| 4355999 | Process for agglomerating coal | — | 1982-10-26 |
| 4295858 | Process for removing sulfur from coal | Jui-Yuan Sun, Emmett H. Burk, Jr., Jin S. Yoo | 1981-10-20 |
| 4282004 | Process for agglomerating coal | — | 1981-08-04 |
| 4261699 | Process for removal of sulfur and ash from coal | Jui-Yuan Sun, Emmett H. Burk, Jr., Jin S. Yoo | 1981-04-14 |
| 4255156 | Process for removal of sulfur and ash from coal | Jui-Yuan Sun, Emmett H. Burk, Jr., Jin S. Yoo | 1981-03-10 |
| 4249910 | Process for removing sulfur from coal | Jui-Yuan Sun, Jin S. Yoo, Emmett H. Burk, Jr. | 1981-02-10 |
| 4224038 | Process for removing sulfur from coal | Emmett H. Burk, Jr., Jin S. Yoo, John A. Karch | 1980-09-23 |