Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6241178 | Winder for rolling sheets of material, especially for winding paper or cardboard sheets into reels | Hans-Friedrich Peters | 2001-06-05 |
| 5855337 | Winding machine with support cylinders and air pressure relieved wind up rolls | Peter Hoffmann, Hartmut Dropczynski, Reinhard Schonen | 1999-01-05 |
| 5518199 | Machine for winding paper strips cut from a wide paper web | Ewald G. Welp, Willi Heymanns, Reinhard Hehner | 1996-05-21 |
| 5478026 | Winding machine with support cylinders | Peter Hoffmann, Hartmut Dropczynski, Reinhard Schonen | 1995-12-26 |
| 5288034 | System for joining webs of material | Peter Weiss, Karl Thievessen, Ewald G. Welp, Runald Meyer, Manfred Weis +1 more | 1994-02-22 |
| 5190235 | Drum-type winder for winding webs of material | Luzian Kies | 1993-03-02 |
| 4867387 | Apparatus for rolling up a web of material | — | 1989-09-19 |
| 4805847 | Apparatus for treating a web of continuous material | Reinhard Hehner | 1989-02-21 |
| 4775110 | Method of and apparatus for the automatic winding of a web of sheet material | Ewald G. Welp, Waldemar Neumann, Reinhard Hehner, Georg Moller | 1988-10-04 |
| 4550887 | Apparatus for the separate winding of slit webs | — | 1985-11-05 |
| 4483493 | Core holder for a winder | — | 1984-11-20 |
| 4438889 | System for decelerating the drive of a web-winding apparatus | — | 1984-03-27 |
| 4368855 | Web-cutting apparatus | Ewald G. Welp | 1983-01-18 |
| 4359195 | Unwinding apparatus for rolls of material | Karl Thievessen, Peter Weiss | 1982-11-16 |
| 4266736 | Method and apparatus for the modulated raising of the carriages of a wind-up roll in the centerless winding of webs | — | 1981-05-12 |
| 4239142 | Broad-drawing apparatus | Hartmut Dropczynski | 1980-12-16 |
| 4233869 | Apparatus for slitting webs of material | Rolf Meyer | 1980-11-18 |
| 4183474 | Apparatus for winding material in web form | — | 1980-01-15 |