Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5066350 | Method of applying a refractory coating to a conduit | — | 1991-11-19 |
| 4802940 | Method for coating pipe with refractory material | — | 1989-02-07 |
| 4799987 | Pipe turning apparatus | — | 1989-01-24 |
| 4783057 | Metal refining with refractory coated pipe | — | 1988-11-08 |
| 4781776 | Method and device for coating a pipe | — | 1988-11-01 |
| 4729548 | Refractory coating for metal | — | 1988-03-08 |