Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6551460 | Process for sealing pressure zones in a paper-making machine | — | 2003-04-22 |
| 6334934 | Sealing device and process for sealing pressure zones in a paper-making machine | — | 2002-01-01 |
| 6197159 | Paper making machine and method for web transfer | Albrecht Meinecke | 2001-03-06 |
| 6187142 | Process and device for acting on a paper or cardboard web with one of a fluid and pasty coating medium | Ingolf Cedra, Peter Gallina, Volker Schmidt-Rohr, Michael Trefz | 2001-02-13 |
| 6117272 | Device and process for metering auxiliary materials into the flow box of a paper machine | — | 2000-09-12 |
| 5885420 | Headbox for papermaking machine with more uniform flow | Udo Heuser | 1999-03-23 |
| 5849159 | Multi-layer headbox with plastic and metal divider plate | Wolfgang Ruf, Ulrich Begemann, Thomas Dietz, Frank Fey | 1998-12-15 |
| 5804037 | Multiply headbox nozzle with heavy end convergence | Albrecht Meinecke, Wolfgang Ruf, Dieter Egelhof, Volker Schmidt-Rohr | 1998-09-08 |
| 5749157 | Dryer section for an apparatus for the production of a paper web | Werner Leitenberger | 1998-05-12 |
| 5741401 | Headbox of a paper machine | — | 1998-04-21 |
| 5709777 | Device and method for the non-clogging throttling of a fluid stream of suspended matter | Ulrich Begemann | 1998-01-20 |
| 5707495 | Headbox for papermaking machine with more uniform flow | Udo Heuser | 1998-01-13 |
| 5694961 | Device and method for changing the flow resistance of a fluid flow control device | Ulrich Begemann, Wolfgang Ruf | 1997-12-09 |
| 5683551 | Apparatus and method for sectional pulp introduction to a papermaking machine headbox | Albrecht Meinecke, Wolfgang Ruf | 1997-11-04 |
| 5639352 | Headbox lamellae and method for reducing turbulence thereabout | Wolfgang Ruf, Ulrich Begemann | 1997-06-17 |
| 5622603 | Influencing the jet velocity in the multilayer headbox | Ulrich Begemann, Albrecht Meinecke, Dieter Egelhof, Wolfgang Ruf, Hans-Peter Arledter | 1997-04-22 |
| 5603807 | Paper machine headbox with longitudinally shiftable contoured wall | — | 1997-02-18 |
| 5599428 | Headbox nozzle with heavy end convergence | Albrecht Meinecke, Wolfgang Ruf, Dieter Egelhof, Volker Schmidt-Rohr | 1997-02-04 |
| 5565063 | Device and method for choking a stock suspension flow in a paper machine | Ulrich Begemann | 1996-10-15 |
| 5549792 | Headbox for a paper machine | Ulrich Begemann, Wolfgang Ruf, Dieter Egelhof, Gernot Kinzler | 1996-08-27 |
| 5527433 | Device and method for choking a stock suspension flow in a paper machine | Ulrich Begemann | 1996-06-18 |
| 5505821 | Turbulence insert of a papermaking machine | Albrecht Meinecke | 1996-04-09 |
| 5466340 | Paper machine headbox and method of controlling pulp material parameters | Ulrich Begemann, Wolfgang Ruf | 1995-11-14 |
| 5437784 | Injector for a flotation device | Albrecht Meinecke, Michael Trefz | 1995-08-01 |
| 5419813 | Paper machine headbox with adjustable lower lip | — | 1995-05-30 |