Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8277766 | Methods for the concentration of vanadium from carbonaceous feedstock materials | Mark A. Schaffer | 2012-10-02 |
| 7854908 | Method and apparatus for the recovery of molybdenum from spent catalysts | Mark A. Schaffer | 2010-12-21 |
| 5935885 | Manufacture of ceramic tiles from fly ash | Akshay Mathur, James C. Simpson | 1999-08-10 |
| 5830251 | Manufacture of ceramic tiles from industrial waste | James C. Simpson, Maurizio Sanavia | 1998-11-03 |
| 5558690 | Manufacture of ceramic tiles from spent aluminum potlining | Akshay Mathur | 1996-09-24 |
| 5114122 | Apparatus for heat processing glass batch materials | — | 1992-05-19 |
| 4957527 | Method and apparatus for heat processing glass batch materials | — | 1990-09-18 |
| 4553997 | Process for melting glass in a toroidal vortex reactor | — | 1985-11-19 |
| 4544394 | Vortex process for melting glass | — | 1985-10-01 |