Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889548 | Use of an oxide ceramic material for compression molds for shaping elements made from glass or a glass-containing ceramic and having high surface quality and dimensional accuracy | Henning Franek, Waldemar Bluethgen | 1989-12-26 |
| 4564601 | Shaped polycrystalline silicon carbide articles and isostatic hot-pressing process | Klaus Hunold, Alfred Lipp, Klaus Reinmuth, Karl-Alexander Schwetz | 1986-01-14 |
| 4467043 | Dense shaped articles of polycrystalline .alpha.-silicon carbide and process for the manufacture thereof by hot-pressing | Alfred Lipp, Klaus Reinmuth | 1984-08-21 |
| 4326039 | Dense shaped articles of polycrystalline .beta.-silicon carbide and process for the manufacture thereof by hot-pressing | Alfred Lipp, Klaus Reinmuth | 1982-04-20 |