Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5826322 | Process and apparatus for the production of particles from castings which have solidified in an oriented manner | Franz Hugo, Bernd Sitzmann, Michael Protzmann | 1998-10-27 |
| 5425047 | Closed induction furnace with a tilting apparatus | Ulrich Betz, Martin Lorke, Klaus Pfeuffer, Otto W. Stenzel | 1995-06-13 |
| 5271033 | Induction furnace for melting and casting substances in a nonreactive atmosphere | Daniel Bethge, Alfred Henn, Michael Schaefer, Otto W. Stenzel | 1993-12-14 |
| 4658404 | Induction furnace with a furnace bottom and a lid | Georg Sick, Otto W. Stenzel, Heinz Kohnert | 1987-04-14 |