Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5250509 | Bismuth-containing superconducting material and process for producing it | Bernhard Hettich, Peter Majewski, Klaus Schulze | 1993-10-05 |
| 5194099 | Sinter magnet based on Fe-Nd-B | Friedrich Esper, Waldemar Draxler, Andreas Buchel, Klaus-Dieter Durst, Ernst-Theo Henig +2 more | 1993-03-16 |
| 5162272 | Sinterable ceramic powder, process for its production, silicon nitride ceramic produced therefrom, process for its production and its use | Marcellus Peuckert, Tilo Vaahs, Martin Bruck, Hans-Jerg Kleiner, Ralf Riedel +1 more | 1992-11-10 |
| 5106793 | Process for the hot isostatic compression of silicon nitride bodies reinforced with carbide fibres and carbide whiskers | Peter Greil, Klaus-Dietrich Nickel, Michael Hoffmann | 1992-04-21 |
| 5039632 | SI C powder, a process for its production and its use | Ralf Riedel, Gerd Passing, Wolfgang Krumbe, Gerhard Franz | 1991-08-13 |
| 4908171 | Method of sintering articles of silicon nitride | Nils Claussen, Jurgen Jahn | 1990-03-13 |
| 4904623 | Molded metal carbide-boride refractory products | Heinrich Hofmann, Kurt Weiss | 1990-02-27 |
| 4900492 | High-strength and temperature-stable formed bodies of zirconium dioxide | Nils Claussen, Helmut Schubert, Manfred Ruhle | 1990-02-13 |
| 4855259 | Process of making ceramic moldings containing cordierite | Nils Claussen | 1989-08-08 |
| 4767727 | Fibre-strengthened ceramic formed bodies | Nils Claussen | 1988-08-30 |
| RE32449 | Ceramic body of zirconium dioxide (ZrO.sub.2) and method for its preparation | Nils Claussen, Manfred Ruhle | 1987-06-30 |
| 4670408 | Process for the preparation of carbide-boride products | Heinrich Hofmann, Kurt Weiss | 1987-06-02 |
| 4525464 | Ceramic body of zirconium dioxide (ZrO.sub.2) and method for its preparation | Nils Claussen, Manfred Ruhle | 1985-06-25 |
| 4506024 | Ceramic formed body with a high crack arrestability | Nils Claussen | 1985-03-19 |
| 4421861 | High-strength and temperature-change resistant ceramic formed body, especially of mullite, its production and use | Nils Claussen, Richard J. Brook | 1983-12-20 |
| 4401729 | High-strength ceramic laminated tube and the production and use thereof | Nils Claussen | 1983-08-30 |
| 4322249 | Process for the preparation of dispersion ceramics | Nils Claussen, Jurgen Jahn | 1982-03-30 |