Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6328683 | Device for pulling up the ends of continuously transverse-conveyed flat tubular segments during the production of sacks or bags | — | 2001-12-11 |
| 5961721 | Adhesive application device | Richard Feldkamper, Rudiger Duwendag | 1999-10-05 |
| 5871434 | Device for stiffening flat workpieces of paper or the like | Ulrich Eckelt | 1999-02-16 |
| 5647524 | Tearing-off roller pair | — | 1997-07-15 |
| 5549539 | Device for grooving continuously-fed flat workplace | — | 1996-08-27 |
| 5312032 | Bag machine having bursting rollers for separating a web | Rudiger Duwendag | 1994-05-17 |
| 4984728 | Dual belt conveyor for multi-ply continuous paper tubing | Friedhelm Brinkmeier | 1991-01-15 |
| 4610654 | Guide structure for apparatus for sack end forming apparatus | — | 1986-09-09 |