Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9248483 | Method and device for the optimized circulation of rods in the production of a seamlessly hot-fabricated steel pipe according to the continuous pipe method | Rolf Kümmerling, Frank Hagemann, Nils Schäfer, Ken Johnson, Brad Chamberlain | 2016-02-02 |