Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9994283 | Human-powered vehicle | — | 2018-06-12 |
| 8535602 | System and method for producing metallic iron | David J. Englund, Iwao Iwasaki, Donald R. Fosnacht, Mark M. Brandon, Bradford G. True | 2013-09-17 |
| 8177880 | System and method of producing metallic iron | David J. Englund, Iwao Iwasaki, Donald R. Fosnacht, Mark M. Brandon, Bradford G. True | 2012-05-15 |
| 8158054 | Method and system for producing metallic iron nuggets | Iwao Iwasaki, Michael J. Lalich, Robert C. Beaudin, Richard F. Kiesel, Andrew J. Lindgren | 2012-04-17 |
| 8097065 | System and method for producing metallic iron | David J. Englund, Iwao Iwasaki, Donald R. Fosnacht, Mark M. Brandon, Bradford G. True | 2012-01-17 |
| 8020706 | Fines removal apparatus and methods/systems regarding same | David W. Hendrickson, Richard F. Kiesel | 2011-09-20 |
| 8021460 | System and method for producing metallic iron nodules | David J. Englund, Iwao Iwasaki, Andrew J. Lindgren, Richard F. Kiesel | 2011-09-20 |
| 7875236 | Linear hearth furnace system and methods regarding same | David J. Englund, Richard F. Kiesel | 2011-01-25 |
| 7695544 | Method and system for producing metallic iron nuggets | Iwao Iwasaki, Michael J. Lalich, Robert C. Beaudin, Richard F. Kiesel, Andrew J. Lindgren | 2010-04-13 |
| 7666249 | Linear hearth furnace system and methods regarding same | David J. Englund, Richard F. Kiesel | 2010-02-23 |
| 7641712 | Method and system for producing metallic iron nuggets | Iwao Iwasaki, Michael J. Lalich, Robert C. Beaudin, Richard F. Kiesel, Andrew J. Lindgren | 2010-01-05 |
| 7632335 | Method and system for producing metallic iron nuggets | Iwao Iwasaki, Michael J. Lalich, Robert C. Beaudin, Richard F. Kiesel, Andrew J. Lindgren | 2009-12-15 |
| 7628839 | Method and system for producing metallic iron nuggets | Iwao Iwasaki, Michael J. Lalich, Robert C. Beaudin, Richard F. Kiesel, Andrew J. Lindgren | 2009-12-08 |
| 7413592 | Linear hearth furnace system and methods regarding same | David J. Englund, Richard F. Kiesel | 2008-08-19 |
| 7347331 | Fines removal apparatus and methods/systems regarding same | David W. Hendrickson, Richard F. Kiesel | 2008-03-25 |
| 6253924 | Magnetic separator apparatus and methods regarding same | David M. Hopstock | 2001-07-03 |