Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4557733 | Formcoke process | Julian M. Liggett | 1985-12-10 |
| 4475986 | Stable activated carbon process using a moving grate stoker furnace | — | 1984-10-09 |
| 4469557 | Process for calcining and carbonizing petroleum coke | Chris V. Schweer | 1984-09-04 |
| 4417528 | Coal gasification process and apparatus | Paul H. Vining | 1983-11-29 |
| 4409067 | Quenching method and apparatus | — | 1983-10-11 |
| 4314887 | Apparatus for producing coke from fine and coarse coal | Jack R. Haley, Vaughn Mansfield | 1982-02-09 |
| 4196051 | Method for producing coke from fine and coarse coal | Jack R. Haley, H. Vaughn Mansfield | 1980-04-01 |