Matthews; Charles W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Matthews; Charles W..The latest application filed is for "process for retorting oil shale".
- Matthews; Charles W. - Lakewood CO
- Matthews; Charles W. - Denver CO
- Matthews; Charles W. - Pittsburgh PA
| Patent | Date |
|---|---|
| Process for retorting oil shale Grant 4,222,850 - Matthews September 16, 1 | 1980-09-16 |
| Process for recovering shale oil Grant 4,158,467 - Larson , et al. June 19, 1 | 1979-06-19 |
| Electrode assembly for a fluidized bed apparatus Grant 3,993,450 - Schora, Jr. , et al. November 23, 1 | 1976-11-23 |
| Fluid bed coal gasification Grant 3,971,639 - Matthews July 27, 1 | 1976-07-27 |
| Coal gasification process utilizing high sulfur carbonaceous material Grant 3,971,638 - Matthews July 27, 1 | 1976-07-27 |
| Coal ash agglomeration device Grant 3,935,825 - Matthews , et al. February 3, 1 | 1976-02-03 |
| NCAGE Code | 4ATF6 | MATTHEWS CHARLES W |
| CAGE Code | 4ATF6 | MATTHEWS, CHARLES W |
| SEC | 0001199008 | MATTHEWS CHARLES W |
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