Miller; Francis G.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Miller; Francis G..The latest application filed is for "method for recovering fine clean coal".
- Miller; Francis G. - Ligonier PA
- Miller; Francis G. - Bethlehem PA
| Patent | Date |
|---|---|
| Method for recovering fine clean coal Grant 4,802,976 - Miller February 7, 1 | 1989-02-07 |
| Dual feed hydrocyclone and method of separating aqueous slurry Grant 4,652,363 - Miller March 24, 1 | 1987-03-24 |
| Froth flotation separation method and apparatus Grant 4,613,430 - Miller September 23, 1 | 1986-09-23 |
| Froth flotation separation apparatus Grant 4,613,431 - Miller September 23, 1 | 1986-09-23 |
| Remote control system for mining machines Grant 4,192,551 - Weimer , et al. March 11, 1 | 1980-03-11 |
| Coal beneficiating process Grant 3,908,912 - Irons , et al. September 30, 1 | 1975-09-30 |
| Heavy Medium Beneficiating Process Grant 3,794,162 - Miller , et al. February 26, 1 | 1974-02-26 |
| Method For Recovering Fine Coal And Coal-containing Particles In A Coal Recovery Circuit Grant 3,696,923 - Miller October 10, 1 | 1972-10-10 |
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