Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7660337 | Lifting apparatus and method of lifting carbon based electrodes | Henry Darral Teeples, John Douglas Phillips, David Arthur Lehr, Thomas Davis Schiller | 2010-02-09 |
| 7466739 | Locking ring for graphite electrodes | Brian Bowman, Michael Frastaci | 2008-12-16 |
| 7324576 | Joint strengthening ring for graphite electrodes | Brian Bowman | 2008-01-29 |
| 7324577 | End-face seal for male-female electrode joints | Brian Bowman, Thomas Weber, James Pavlisin | 2008-01-29 |
| 7206330 | End-face seal for graphite electrodes | Brian Bowman, Thomas Weber, James Pavlisin, William Varela | 2007-04-17 |