Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10065857 | Systems and methods for generating carbon dioxide for use as a reforming oxidant in making syngas or reformed gas | Matthew C. Stubbing, Gary E. Metius | 2018-09-04 |
| 9988586 | Systems and methods for the use of Fischer-Tropsch tail gas in a gas to liquid process | Robert Cheeley, Gary E. Metius | 2018-06-05 |
| 9127326 | System and method for reducing iron oxide to metallic iron using natural gas | Gary E. Metius, James M. McClelland, Jr., Stephen Montague | 2015-09-08 |
| 9028585 | System and method for reducing iron oxide to metallic iron using coke oven gas and oxygen steelmaking furnace gas | Gary E. Metius, James M. McClelland, Jr., Stephen Montague | 2015-05-12 |
| 8709131 | Method and system for the production of direct reduced iron using a synthesis gas with a high carbon monoxide content | Gary E. Metius, Gregory Hughes | 2014-04-29 |
| 8685136 | System and method for reducing iron oxide to metallic iron using coke oven gas and oxygen steelmaking furnace gas | Gary E. Metius, James M. McClelland, Jr. | 2014-04-01 |
| 8496730 | System and method for reducing iron oxide to metallic iron using coke oven gas and oxygen steelmaking furnace gas | Gary E. Metius, James M. McClelland, Jr. | 2013-07-30 |
| 6915838 | Cast ceramic anode for metal oxide electrolytic reduction | Ashvin Srivastava, Jeffrey Musat, Jeffrey Cheetham, Abid Bengali | 2005-07-12 |
| 6749664 | Furnace hearth for improved molten iron production and method of operation | Glenn E. Hoffman, Kyle James Shoop | 2004-06-15 |
| 6413295 | Iron production method of operation in a rotary hearth furnace and improved furnace apparatus | Glenn E. Hoffman, Kyle James Shoop, Takuya Negami, Akira Uragami, Yasuhiro Tanigaki +5 more | 2002-07-02 |
| 6214087 | Treatment of iron oxide agglomerates before introduction into furnace | Glenn E. Hoffman, Kyle James Shoop | 2001-04-10 |
| 5885521 | Apparatus for rapid reduction of iron oxide in a rotary hearth furnace | Thomas H. Boyd, James A. Lepinski, Jimmy D. Sloop | 1999-03-23 |
| 5730775 | Method for rapid reduction of iron oxide in a rotary hearth furnace | Thomas H. Boyd, James A. Lepinski, Jimmy D. Sloop | 1998-03-24 |
| 5674308 | Spouted bed circulating fluidized bed direct reduction system and method | Kimio Sugiyama, Isao Kobiyashi, Kenji Ohiraki, Shintaro Ano | 1997-10-07 |
| 5647887 | Fluidizable bed co-processing fines in a direct reduction system | — | 1997-07-15 |
| 5618032 | Shaft furnace for production of iron carbide | Winston L. Tennies | 1997-04-08 |
| 5529291 | Circulating fluidized bed direct reduction system | — | 1996-06-25 |
| 5437708 | Iron carbide production in shaft furnace | Winston L. Tennies | 1995-08-01 |
| 5435831 | Circulating fluidizable bed co-processing of fines in a direct reduction system | — | 1995-07-25 |
| 5431711 | Circulating fluidized bed direct reduction system | — | 1995-07-11 |
| 4701214 | Method of producing iron using rotary hearth and apparatus | Dentaro Kaneko | 1987-10-20 |
| 4685964 | Method and apparatus for producing molten iron using coal | Frank V. Summers, John C. Scarlett, Glenn E. Hoffman | 1987-08-11 |
| 4591380 | Method of generating a reducing gas | Frank V. Summers, Ronald Allen Brown | 1986-05-27 |
| 4553742 | Apparatus for generating a reducing gas | Frank V. Summers, Ronald Allen Brown | 1985-11-19 |
| 4470581 | Apparatus for selective reduction of metallic oxides | William A. Ahrendt, Charles W. Sanzenbacher, John C. Scarlett | 1984-09-11 |