Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5749939 | Melting of NI laterite in making NI alloyed iron or steel | — | 1998-05-12 | $7,734,000 |
| 5702502 | Method for direct use of chromite ore in the production of stainless steel | Allan M. Smillie, Richard C. Sussman | 1997-12-30 | $1,998,000 |
| 5575829 | Direct use of sulfur-bearing nickel concentrate in making Ni alloyed stainless steel | — | 1996-11-19 | $5,172,000 |
| 5567224 | Method of reducing metal oxide in a rotary hearth furnace heated by an oxidizing flame | — | 1996-10-22 | $4,462,000 |
| 5234490 | Operating a blast furnace using dried top gas | — | 1993-08-10 | $7,137,000 |