Sheldon; Ray W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sheldon; Ray W..The latest application filed is for "apparatus for upgrading coal and method of using same".
- Sheldon; Ray W. - Huntley MT
| Patent | Date |
|---|---|
| Apparatus for upgrading coal and method of using same Grant 8,999,015 - Bonner , et al. April 7, 2 | 2015-04-07 |
| Apparatus For Upgrading Coal And Method Of Using Same App 20140182196 - Bonner; Harry E. ; et al. | 2014-07-03 |
| Apparatus for upgrading coal and method of using same Grant 8,671,586 - Bonner , et al. March 18, 2 | 2014-03-18 |
| Apparatus For Upgrading Coal And Method Of Using Same App 20130133248 - Bonner; Harry E. ; et al. | 2013-05-30 |
| Apparatus for upgrading coal Grant 8,371,041 - Bonner , et al. February 12, 2 | 2013-02-12 |
| Apparatus For Upgrading Coal And Method Of Using Same App 20090300940 - Bonner; Harry E. ; et al. | 2009-12-10 |
| Thermal coal upgrading processor App 20090158610 - Bonner; Harry E. ; et al. | 2009-06-25 |
| Thermal coal upgrading process App 20090045103 - Bonner; Harry E. ; et al. | 2009-02-19 |
| Process to improve boiler operation by supplemental firing with thermally beneficiated low rank coal Grant 6,325,001 - Sheldon December 4, 2 | 2001-12-04 |
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