Stephens, Jr.; Frank M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Stephens, Jr.; Frank M..The latest application filed is for "two step process for the production of iron carbide from iron oxide".
- Stephens, Jr.; Frank M. - Lakewood CO
| Patent | Date |
|---|---|
| Two step process for the production of iron carbide from iron oxide Grant 5,869,018 - Stephens, Jr. February 9, 1 | 1999-02-09 |
| Process for preheating iron-containing reactor feed prior to being treated in a fluidized bed reactor Grant 5,137,566 - Stephens, Jr. , et al. August 11, 1 | 1992-08-11 |
| Process for using fluidized bed reactor Grant 5,118,479 - Stephens, Jr. , et al. June 2, 1 | 1992-06-02 |
| Process for the direct production of steel Grant RE32,247 - Stephens, Jr. September 16, 1 | 1986-09-16 |
| Process for recovering iron and zinc from steel making dusts Grant 4,396,423 - Stephens, Jr. , et al. August 2, 1 | 1983-08-02 |
| Production of a fuel gas with a stabilized metal carbide catalyst Grant 4,372,755 - Tolman , et al. February 8, 1 | 1983-02-08 |
| Process for enhancing the fuel value of low BTU gas Grant 4,134,907 - Stephens, Jr. January 16, 1 | 1979-01-16 |
| Process for the direct production of steel Grant 4,053,301 - Stephens, Jr. October 11, 1 | 1977-10-11 |
| Fluidized hydrogen reduction process for the recovery of copper Grant 4,039,324 - Stephens, Jr. , et al. August 2, 1 | 1977-08-02 |
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