Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9476645 | Open bottom electric induction cold crucible for use in electromagnetic casting of ingots | — | 2016-10-25 |
| 7995639 | Pulse width modulated power inverter output control | — | 2011-08-09 |
| 7848383 | Cold crucible induction furnace with eddy current damping | Raymond J. Roberts | 2010-12-07 |
| 7796674 | Cold crucible induction furnace | — | 2010-09-14 |
| 7167501 | Cold crucible induction furnace with eddy current damping | Raymond J. Roberts | 2007-01-23 |
| 6168053 | Positioning apparatus and method for precision pouring of a liquid from a vessel | — | 2001-01-02 |