Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10119089 | Coal char passivation process and apparatus | Deane A. Horne, Timothy J. Kuhn, Robert W. Mueller, James Darrell Kinder | 2018-11-06 |
| 9598646 | Process for treating coal to improve recovery of condensable coal derived liquids | Timothy J. Kuhn | 2017-03-21 |
| 9163192 | Coal processing with added biomass and volatile control | — | 2015-10-20 |
| 9074138 | Process for treating coal using multiple dual zone steps | — | 2015-07-07 |
| 8470134 | Process for treating coal by removing volatile components | — | 2013-06-25 |
| 8394240 | Process for treating bituminous coal by removing volatile components | — | 2013-03-12 |
| 8366882 | Process for treating agglomerating coal by removing volatile components | — | 2013-02-05 |
| 8163230 | Rotary hearth furnace for treating metal oxide materials | Daniel A. Molnar | 2012-04-24 |
| 6508856 | Furnace discharge system and method of operation | — | 2003-01-21 |
| 6395060 | Furnace flue dust processing method | Deane A. Horne | 2002-05-28 |
| 6390810 | Method and apparatus for reducing a feed material in a rotary hearth furnace | Deane A. Horne, James Alan Thornton | 2002-05-21 |
| 6270551 | Process for treating metal oxide fines | Deane A. Horne, James Alan Thornton, Valdis R. Daiga | 2001-08-07 |
| 6182817 | Field replaceable helical flight | James L. Howe, Daniel A. Molnar | 2001-02-06 |
| 6152729 | Spray cooled furnace discharge assembly | Deane A. Horne, Daniel A. Molnar, Thomas J. Sack | 2000-11-28 |
| 5924861 | Furnace discharge assembly | William Thome | 1999-07-20 |
| 5895215 | Charging apparatus for a rotary hearth furnance | Daniel A. Molnar, James L. Howe, Carl L. Porter | 1999-04-20 |
| 5873925 | Process for treating iron bearing material | Deane A. Horne, James Alan Thornton | 1999-02-23 |
| 5865875 | Process for treating metal oxide fines | Deane A. Horne, James Alan Thornton, Valdis R. Daiga | 1999-02-02 |
| 5782957 | Process for treating iron bearing material | Deane A. Horne | 1998-07-21 |
| 5730069 | Lean fuel combustion control method | Dennis W. Coolidge, Timothy J. Kuhn, James G. Powers | 1998-03-24 |
| 5711769 | Process for passivation of reactive coal char | Deane A. Horne, Dennis W. Coolidge, Ernest P. Esztergar | 1998-01-27 |
| 5660542 | Cupola burner | William C. Rinker | 1997-08-26 |
| 5601692 | Process for treating noncaking coal to form passivated char | Deane A. Horne, Dennis W. Coolidge, Ernest P. Esztergar | 1997-02-11 |
| 5601631 | Process for treating metal oxide fines | Deane A. Horne | 1997-02-11 |
| 5401364 | Process for treating noncaking, noncoking coal to form char with process derived gaseous fuel having a variably controllable calorific heating value | — | 1995-03-28 |