Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7040569 | Winding tube and method for the production thereof | Friedhelm Schafer | 2006-05-09 |
| 6167815 | Rail vehicle with an impact absorbing device | Max Huber | 2001-01-02 |
| 6062355 | Energy-absorbing device | Matthias Nohr, Franz Bayer, Manfred Riegler | 2000-05-16 |
| 5775231 | Rail vehicle with crossbeam elastically held to undercarriage | Gerd Kammerhofer, Thomas Brendel, Max Huber | 1998-07-07 |
| 5414020 | Process for the preparation of anion exchange resins of the poly(meth)acrylamide type | Harold Heller, Alfred Mitschker, Axel Ingendoh | 1995-05-09 |
| 5175193 | Process for the preparation of weakly acid cation exchange resins | Harold Heller, Alfred Mitschker, Herbert Diehl, Axel Schafer | 1992-12-29 |
| 4988738 | Process for the preparation of bifunctional anion exchange resins, new bifunctional anion exchange resins and use thereof | Alfred Mitschker, Peter M. Lange, Harold Heller, Hans-Karl Soest, Gunter Siegers | 1991-01-29 |
| 4785871 | Manufacturing method for hollow cast product with bottom | Shiro Nakamura, Katsuya Inoue, Franz Schilling | 1988-11-22 |
| 4739104 | Process for the preparation of pivaloylpyruvic acid esters | Heinz U. Blank | 1988-04-19 |
| 4729419 | Mold and manufacturing method for hollow cast product with bottom | Shiro Nakamura, Katsuya Inoue, Franz Schilling | 1988-03-08 |
| 4661621 | Process for the preparation of pivaloylacetic acid esters | Heinz U. Blank | 1987-04-28 |
| 4495369 | Process for the preparation of neopentylamine | Heinz U. Blank, Gunther Gramm, Rudolf Braden, Heinz Ziemann | 1985-01-22 |
| 4452280 | Flexible hose wound of a web material and reinforced with wire windings | — | 1984-06-05 |
| 4447647 | Process for the preparation of 2,4,6-trichloroaniline | Karl Mannes, Viktor Trescher | 1984-05-08 |
| 4265833 | Process for the preparation of hydroxy-diphenylamines | Heinz U. Blank | 1981-05-05 |