Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988367 | Process for removal of flyash deposits | — | 1991-01-29 |
| 4889540 | Apparatus for determination of slag tap blockage | Clifford C. Segerstrom, Jacob H. Stil, Pieter J. Schuurman | 1989-12-26 |
| 4869622 | Feed hopper design | James A. Salter, James J. McCusker, Charles M. Arbore, Hendricus A. Dirkse, Rudi Everts +2 more | 1989-09-26 |
| 4834778 | Determination of slag tap blockage | Clifford C. Segerstrom, Jacob H. Stil, Pieter J. Schuurman | 1989-05-30 |
| 4760667 | Process and apparatus for the preparation of synthesis gas | Kurt Schleyer | 1988-08-02 |
| 4701185 | Process for separating fly-ash | — | 1987-10-20 |