Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8690988 | Use of bimodal carbon distribution in compacts for producing metallic iron nodules | — | 2014-04-08 |
| 8535411 | Production of iron from metallurgical waste | David W. Hendrickson | 2013-09-17 |
| 8535602 | System and method for producing metallic iron | Rodney L. Bleifuss, David J. Englund, Donald R. Fosnacht, Mark M. Brandon, Bradford G. True | 2013-09-17 |
| 8470068 | Method and system for producing metallic iron nuggets | Andrew J. Lindgren, Richard F. Kiesel | 2013-06-25 |
| 8333823 | Method and system for producing metallic iron nuggets | Richard F. Kiesel, David J. Englund, Dave Hendrickson | 2012-12-18 |
| 8287621 | Use of bimodal carbon distribution in compacts for producing metallic iron nodules | — | 2012-10-16 |
| 8177880 | System and method of producing metallic iron | David J. Englund, Rodney L. Bleifuss, Donald R. Fosnacht, Mark M. Brandon, Bradford G. True | 2012-05-15 |
| 8158054 | Method and system for producing metallic iron nuggets | Michael J. Lalich, Robert C. Beaudin, Richard F. Kiesel, Andrew J. Lindgren, Rodney L. Bleifuss | 2012-04-17 |
| 8097065 | System and method for producing metallic iron | Rodney L. Bleifuss, David J. Englund, Donald R. Fosnacht, Mark M. Brandon, Bradford G. True | 2012-01-17 |
| 8021460 | System and method for producing metallic iron nodules | Rodney L. Bleifuss, David J. Englund, Andrew J. Lindgren, Richard F. Kiesel | 2011-09-20 |
| 7695544 | Method and system for producing metallic iron nuggets | Michael J. Lalich, Robert C. Beaudin, Richard F. Kiesel, Andrew J. Lindgren, Rodney L. Bleifuss | 2010-04-13 |
| 7641712 | Method and system for producing metallic iron nuggets | Michael J. Lalich, Robert C. Beaudin, Richard F. Kiesel, Andrew J. Lindgren, Rodney L. Bleifuss | 2010-01-05 |
| 7632335 | Method and system for producing metallic iron nuggets | Michael J. Lalich, Robert C. Beaudin, Richard F. Kiesel, Andrew J. Lindgren, Rodney L. Bleifuss | 2009-12-15 |
| 7628839 | Method and system for producing metallic iron nuggets | Michael J. Lalich, Robert C. Beaudin, Richard F. Kiesel, Andrew J. Lindgren, Rodney L. Bleifuss | 2009-12-08 |
| 6968956 | Separation apparatus and methods | — | 2005-11-29 |
| 4298169 | Selective flocculation, magnetic separation, and flotation of ores | — | 1981-11-03 |