Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4972956 | Method of removing carbonaceous particles, essentially free of pyritic sulphur, from an aqueous coal slurry | Richard D. Coleman, Serge Croteau | 1990-11-27 |
| 4758332 | Method of separating carbonaceous coal from an aqueous coal slurry | Kevin A. Jonasson, William L. Thayer | 1988-07-19 |
| 4728036 | Atomizing nozzle assembly | Adam J. Bennett, John D. Hazlett, Kevin A. Jonasson, William L. Thayer | 1988-03-01 |
| 4648962 | Method of breaking down chemisorption bond of clay-containing heavy oil water emulsions | Richard D. Coleman, William L. Thayer, Ira E. Puddington | 1987-03-10 |
| 4601729 | Aqueous phase continuous, coal fuel slurry and a method of its production | Adam J. Bennett, Richard D. Coleman, William L. Thayer | 1986-07-22 |
| 4592506 | Wear resistant atomizing nozzle assembly | Adam J. Bennett, Kevin A. Jonasson, William L. Thayer | 1986-06-03 |
| 4303505 | Selective separation of hydrophilic component from mixtures using pastes | Richard D. Coleman | 1981-12-01 |
| 4269699 | Bioadsorption alteration of iron sulfide surfaces | Ronald G. L. McCready, Richard D. Coleman, Alan G. Kempton, Nayera A. M. Moneib | 1981-05-26 |