Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5605220 | High-performance chain scraper conveyor with symmetric turning channel | — | 1997-02-25 |
| 5495934 | Reversible conveyor belt with double helical chain | Johann Tekathen | 1996-03-05 |
| 5435434 | Double helical chain with arrow surface flanks and fully supporting joints | Johann Tekathen | 1995-07-25 |
| 5170882 | Reversible tooth link band | Johann Tekathen | 1992-12-15 |