Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7263821 | Chain lock | Andreas Nuding, Werner Lang | 2007-09-04 |
| 7251923 | Chain lock | Andreas Nuding, Werner Lang | 2007-08-07 |
| 7107754 | Chain in particular a hoist chain | Rolf Sinz, Uwe Wistuba, Heribert Herzog | 2006-09-19 |
| 6925794 | Chain, chain wheel and chain transmission for lifting gear | Rolf Sinz | 2005-08-09 |
| 6220011 | Connecting chain link | Zvonimir Bogdan, Hans-Jurgen Scherle, Alfred Puppel | 2001-04-24 |
| 6216434 | Chain joint | Hans Bauer | 2001-04-17 |
| 5730280 | Plate link chain | — | 1998-03-24 |
| 5626220 | Bucket conveyor | Otto E. Rieger, Zvonimir Bogdan, Hartwig Zenker | 1997-05-06 |
| 5533938 | Pocket chain wheel | — | 1996-07-09 |
| 4944388 | Chain conveyor | — | 1990-07-31 |
| 4850942 | Chain wheel with pockets | — | 1989-07-25 |
| 4571934 | Chain with chain links of welded round material | Werner Rieger, Franz Eberhardt | 1986-02-25 |
| 4505103 | Chain joint for link chains | Johannes Bauer | 1985-03-19 |
| 4320620 | Arrangement for fastening a structural part to a round steel chain | Werner Rieger, Horst Elsasser, Hartwig Zenker, Alfred Bittlingmaier | 1982-03-23 |
| 4320827 | Chain conveyor | Alfred Puppel | 1982-03-23 |