Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7404677 | Fastening of a riding ring to the casing of a rotary cylinder | Ralf Filges | 2008-07-29 |
| 4995809 | Baffles for tube coolers, rotary tubular kilns or the like | Ralf Filges, Hans J. Wutschke | 1991-02-26 |
| 4511266 | Arrangement for mounting a bearing ring on a rotary cylinder | Ralf Filges | 1985-04-16 |
| 4500285 | Arrangement for mounting a barrel ring on the casting of a rotary cylinder | Hubert Ramesohl | 1985-02-19 |