Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4356031 | Apparatus and method for controlling the recycle char circuit in a direct reduction process | Harry W. Hockin, deceased, Brian F. Bracanin, Ronald J. Clements, Vitie P. Keran | 1982-10-26 |
| 4337084 | System for recycling char in iron oxide reducing kilns | Vitie P. Keran | 1982-06-29 |
| 4330325 | Direct reduction rotary kiln with improved air injection | Vitie P. Keran | 1982-05-18 |