Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5644938 | Method of and roll stand for diagonal rolling of tubes | Hermann Moeltner | 1997-07-08 |
| 4928507 | Methods and apparatus for manufacturing seamless tube | Hermann Moltner | 1990-05-29 |
| 4827749 | Methods and apparatus for reducing seizing in transverse rolling of seamless tube blanks | Hermann Moltner | 1989-05-09 |
| 4798071 | Seamless tube production | Hermann Moltner | 1989-01-17 |
| 4738128 | Skew-rolling stand | — | 1988-04-19 |
| 4577481 | Process for production of seamless tube and apparatus for processing seamless tube | — | 1986-03-25 |
| 4480515 | Article ejection apparatus | Theodor Zacharias, Hans-Dieter Gerhards | 1984-11-06 |
| 4397169 | Rolling mill | — | 1983-08-09 |