Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9497804 | Graphite electrode | Philip Dennis Coleman, Greg E. Murray, Marco Napolitano, Aaron Tomasek, Daniel W. Krassowski +1 more | 2016-11-15 |
| 9253827 | Graphite electrodes | Philip Dennis Coleman, Michael Frastaci, Gregory E. Murray, Marco Napolitano, Aaron Tomasek +1 more | 2016-02-02 |
| 8923360 | Graphite electrodes | Philip Dennis Coleman, Michael Frastaci, Gregory E. Murray, Marco Napolitano, Aaron Tomasek +1 more | 2014-12-30 |
| 7466739 | Locking ring for graphite electrodes | Michael Frastaci, Terrence Wells | 2008-12-16 |
| 7324577 | End-face seal for male-female electrode joints | Terrence Wells, Thomas Weber, James Pavlisin | 2008-01-29 |
| 7324576 | Joint strengthening ring for graphite electrodes | Terrence Wells | 2008-01-29 |
| 7206330 | End-face seal for graphite electrodes | Thomas Weber, Terrence Wells, James Pavlisin, William Varela | 2007-04-17 |
| 6549557 | AC arc furnace with auxiliary electromagnetic coil system for control of arc deflection | — | 2003-04-15 |
| 6488316 | Flexible metal hose termination fitting with adapter for termination plate | — | 2002-12-03 |
| 6058133 | Graphite electrodes incorporating stress-relieving slots | Ronald Raymond Welch | 2000-05-02 |