Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5453133 | Soil remediation | Bryan D. Sparks, F. Weldon Meadus, David H. McNabb | 1995-09-26 |
| 5350430 | Oil/coal coprocessing in which agglomerated coal forms part of feedstock | Richard D. Coleman, Floyd N. Toll, Thomas W. McCracken, Michio Ikura | 1994-09-27 |
| 4998624 | Method of separating carbonaceous components from particulate coal containing inorganic solids and apparatus therefor | Richard D. Coleman, Joseph L. S. Croteau, William L. Thayer | 1991-03-12 |
| 4889538 | Coal agglomeration beneficiation with heavy hydrocarbon oils and utilization thereof in coal/heavy oil coprocessing | Josef A. Mikhlin, deceased, Michio Ikura, James Kelly | 1989-12-26 |
| 4874393 | Method of producing fuel of relatively higher calorific value from low rank and oxidized coal | Josef A. Mikhlin, deceased, Haresh S. Divanji, Richard D. Coleman | 1989-10-17 |
| 4610547 | Particulate material in a liquid | Adam J. Bennett, William L. Thayer, Floyd N. Toll | 1986-09-09 |
| 4406806 | Thermal energy storage | Gaston J. Despault, Aly E. Fouda, J. Bryan Taylor | 1983-09-27 |
| 4284413 | In-line method for the beneficiation of coal and the formation of a coal-in-oil combustible fuel therefrom | William L. Thayer, Richard D. Coleman, Leonard Messer | 1981-08-18 |