Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7335320 | Method for the production of hydrogen-containing gaseous mixtures | Thomas E. Weyand | 2008-02-26 |
| 6685754 | Method for the production of hydrogen-containing gaseous mixtures | Thomas E. Weyand | 2004-02-03 |
| 6663681 | Method for the production of hydrogen and applications thereof | Boyd R. Davis, Robert R. Odle, Thomas E. Weyand | 2003-12-16 |
| 5794791 | Coal cleaning process | — | 1998-08-18 |
| 5368617 | Process for reducing sulfur emissions with calcium-containing sorbents | — | 1994-11-29 |
| 5348160 | Coal cleaning process | — | 1994-09-20 |
| 5314124 | Coal cleaning process | — | 1994-05-24 |
| 5280836 | Process for beneficiating particulate solids | — | 1994-01-25 |
| 5277368 | Coal cleaning process | — | 1994-01-11 |
| 5262962 | Process for beneficiating particulate solids | — | 1993-11-16 |
| 5153838 | Process for beneficiating particulate solids | — | 1992-10-06 |
| 5096066 | Process for beneficiating particulate solids | — | 1992-03-17 |
| 4824441 | Method and composition for decreasing emissions of sulfur oxides and nitrogen oxides | — | 1989-04-25 |
| 4753033 | Process for producing a clean hydrocarbon fuel from high calcium coal | — | 1988-06-28 |
| 4743271 | Process for producing a clean hydrocarbon fuel | James E. Reynolds | 1988-05-10 |
| 4695290 | Integrated coal cleaning process with mixed acid regeneration | James E. Reynolds | 1987-09-22 |
| 4289528 | Process for beneficiating sulfide ores | Ronald L. Turner | 1981-09-15 |
| 4289529 | Process for beneficiating sulfide ores | Ronald L. Turner | 1981-09-15 |
| 4276081 | Process for beneficiating ores | Ronald L. Turner | 1981-06-30 |
| 4257881 | Process for beneficiating oxide ores | Ronald L. Turner | 1981-03-24 |
| 4239529 | Process for beneficiating sulfide ores | Ronald L. Turner | 1980-12-16 |
| 4229209 | Process for beneficiating gold | Ronald L. Turner | 1980-10-21 |
| 4205979 | Process for beneficiating oxide ores | Ronald L. Turner | 1980-06-03 |