Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375396 | Apparatus for filling unilaterally open sacks | — | 1994-12-27 |
| 4913765 | Apparatus for making bags or sacks from a preferably gusseted continuous tubular film of thermoplastic plastic | Konrad Tetenborg | 1990-04-03 |
| 4873815 | Apparatus for filling and closing sacks which are open at one end | Konrad Tetenborg, Heinz Eschmann | 1989-10-17 |
| 4736940 | Apparatus for aligning an opening of a sack | Konrad Tetenborg | 1988-04-12 |
| 4580391 | Apparatus for infolding laterally protruding wings of a filled sack onto adhesive strips provided on the top of the sack | Konrad Tetenborg, Walter Eckhard | 1986-04-08 |
| 4574560 | Apparatus for closing filled sacks | Konrad Tetenborg | 1986-03-11 |
| 4305241 | Method and apparatus for suspending large sacks from the filling funnel of a sack-filling apparatus | Konrad Tetenborg | 1981-12-15 |
| 4258524 | Apparatus for folding onto themselves the flattened filling apertures of large sacks and for closing same by closure strips | Konrad Tetenborg | 1981-03-31 |
| 4257209 | Apparatus for gathering the flattened filling ends of filled large sacks by means of zig-zag folding | Konrad Tetenborg | 1981-03-24 |
| 4257210 | Apparatus for laterally turning over the flattened filling end of filled large sacks for preparing the sack closure | Konrad Tetenborg | 1981-03-24 |
| 4249361 | Method of fully automatically filling and closing large sacks | Konrad Tetenborg | 1981-02-10 |