Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5437699 | Apparatus for preventing slag tap blockage | — | 1995-08-01 |
| 5287915 | Heat exchanger and method for removing deposits from inner surfaces thereof | Chih-Hsiung Liu, Lloyd Anthony Clomburg, Jr., Otto E. Crenwelge, Jr., William G. Gottenberg | 1994-02-22 |
| 4979964 | Apparatus for preventing slag tap blockage | — | 1990-12-25 |
| 4963162 | Coal gasification process | — | 1990-10-16 |
| 4959080 | Process for gasification of coal utilizing reactor protected interally with slag coalescing materials | — | 1990-09-25 |
| 4897090 | Process for inhibition of flyslag deposits | Chih-Hsiung Liu | 1990-01-30 |
| 4852997 | Slag water bath process | Clifford C. Segerstrom, Hans-Wolfgang Luke, Hsi L. Wu | 1989-08-01 |
| 4775314 | Coal gasification burner | — | 1988-10-04 |