Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5090091 | Bale opening method and device having rollers and grate bars adjustable in height relative to one another, for detaching fiber tufts from the top surface of a bale | Ulrich Vollrath | 1992-02-25 |
| 5072490 | Fiber bale opener with blow nozzle | Ferdinand Leifeld | 1991-12-17 |
| 4987646 | Method and apparatus for operating a fiber tuft feeder | Ferdinand Leifeld | 1991-01-29 |
| 4813615 | Method and apparatus for operating a bale opener, particularly as a function of the bale height | Fritz Hosel, Andreas Kranefeld | 1989-03-21 |
| 4813616 | Method and apparatus for operating a bale opener as a function of bale lengths | Fritz Hosel | 1989-03-21 |
| 4796335 | Method and apparatus for opening fiber bales | Andreas Kranefeld | 1989-01-10 |
| 4785504 | Suction duct for the pneumatic removal of fiber tufts detached by a bale opener | Ferdinand Leifeld | 1988-11-22 |
| 4756059 | Fiber bale opener | — | 1988-07-12 |
| 4750240 | Apparatus for opening serially arranged fiber bales | — | 1988-06-14 |
| 4748725 | Opening device for detaching fiber material from compressed fiber bales | Ferdinand Leifeld | 1988-06-07 |
| 4712275 | Method for driving a bale opener | Fritz Hosel, Hans-Jurgen Marx | 1987-12-15 |
| 4698878 | Fiber bale opener and method of operating the same | Manfred Buschgens | 1987-10-13 |
| 4662031 | Opening roller for removing material from fiber bales | Stefan Feiks | 1987-05-05 |