Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5965050 | Curved graphite heating element for an electric resistance heating furnace | David Rinz | 1999-10-12 |
| 5121903 | Quenching arrangement for a furnace | David Felker | 1992-06-16 |
| 5109917 | Maintenance arrangement for a furnace | — | 1992-05-05 |
| 4765068 | Hot zone arrangement for a vacuum furnace | — | 1988-08-23 |
| 4395832 | Gas duct arrangement for a vacuum furnace | William R. Jones | 1983-08-02 |