Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5205980 | Sublimer assembly | R. James Adams | 1993-04-27 |
| 5133865 | Process for producing a hafnium extraction scrub solvent | Douglas J. Leavitt | 1992-07-28 |
| 5131634 | Sublimer-reactor system with weighing means | R. James Adams | 1992-07-21 |
| 5100465 | Process for purifying zirconium sponge | Lonnie S. Kimball | 1992-03-31 |
| 5098471 | Separation of magnesium from magnesium chloride and zirconium and/or hafnium subchlorides in the production of zirconium and/or hafnium sponge metal | R. James Adams, Steven R. Kearl | 1992-03-24 |
| 5080859 | Process for hardening sponge refractory metals and pressing to form a shape | Randall W. Wahlquist | 1992-01-14 |
| 5078789 | Continuous vacuum distillation and furnace therefor | R. James Adams | 1992-01-07 |
| 5062887 | Process for chloride removal from sponge metal | R. James Adams, Joseph White | 1991-11-05 |
| 5035404 | Retort assembly for kroll reductions | — | 1991-07-30 |
| 4954166 | Production of sponge metal from sponge metal fines | Randy W. Wahlquist, Dale A. Lopez | 1990-09-04 |
| 4873072 | Recovery of hafnium values from loaded extraction solvent | — | 1989-10-10 |
| 4374806 | Raffinate wash of second cycle solvent in the recovery of uranium from phosphate rock | Robert W. Ritchey | 1983-02-22 |