Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8382955 | Method for operating a sheet-forming unit, and sheet forming unit | Markus Häussler, Volker Schmidt-Rohr, Wolfgang Ruf, Thomas Ruehl | 2013-02-26 |
| 8236138 | Headbox for a machine for producing a fibrous web | Marco Thomisch, Wolfgang Ruf, Volker Schmidt-Rohr, Markus Häubler | 2012-08-07 |
| 6890408 | Headbox for the metered addition of a fluid medium into a suspension stream | Wolfgang Ruf, Klaus Lehleiter | 2005-05-10 |
| 6761801 | Lamella of a headbox of a paper, cardboard, or tissue machine | Wolfgang Ruf | 2004-07-13 |
| 6602388 | Process for forming headbox for a machine | Wolfgang Ruf, Thomas Dietz, Klaus Lehleiter, Konstantin Fenkl | 2003-08-05 |
| 6585860 | Method to control or regulate the basis weight of a paper or cardboard web | Wolfgang Ruf, Klaus Lehleiter | 2003-07-01 |
| 6524441 | Process for detecting and correcting a fiber orientation cross direction profile change | Wolfgang Ruf, Ulrich Begemann, Klaus Lehleiter | 2003-02-25 |
| 6471828 | Headbox | Wolfgang Ruf, Thomas Dietz, Klaus Lehleiter, Konstantin Fenkl | 2002-10-29 |
| 6464837 | Headbox and process for the metered addition of a fluid medium into a suspension stream of a headbox | Wolfgang Ruf, Klaus Lehleiter | 2002-10-15 |
| 6368461 | Device to control or regulate the basis weight of a paper or cardboard web | Wolfgang Ruf, Klaus Lehleiter | 2002-04-09 |
| 6254728 | Method and machine for manufacturing a fibrous pulp web | Joachim Henssler, Karl Steiner, Albrecht Bauder | 2001-07-03 |
| 6228221 | Dewatering press and process | Joachim Henssler, Karl Steiner | 2001-05-08 |
| 6210530 | Press section and method for pressing with different shoe press lengths | Joachim Henssler, Karl Steiner, Josef Muellner | 2001-04-03 |
| 6174413 | Device for detecting and correcting a fiber orientation cross direction profile change | Wolfgang Ruf, Ulrich Begemann, Klaus Lehleiter | 2001-01-16 |
| 6162331 | Apparatus and process for controlling or regulating a web property profile | Wolfgang Ruf, Klaus Lehleiter | 2000-12-19 |
| 6120645 | Process for operating a press section for forming a web | Joachim Henssler, Karl Steiner | 2000-09-19 |
| 6077395 | Head box of paper machine | Klaus Lehleiter, Wolfgang Ruf | 2000-06-20 |
| 6010128 | Device for guiding a paper sheet on a belt | Joachim Henssler, Karl Steiner | 2000-01-04 |
| 5993606 | Headbox of a paper machine which reduces effective width of liquid feed | Klaus Lehleiter, Wolfgang Ruf | 1999-11-30 |
| 5985098 | Continuously variable sectioned headbox | Klaus Lehleiter, Wolfgang Ruf | 1999-11-16 |
| 5914007 | Press device with closeable grooves for smooth press face | Joachim Henssler, Karl Steiner | 1999-06-22 |
| 5770015 | Drying section of a paper machine | Udo Grossmann, Albrecht Meinecke | 1998-06-23 |
| 5649371 | Dry unit of a dry end of a machine for producing material webs | Thomas Elenz, Albrecht Meinecke, Helmut Konecsny | 1997-07-22 |
| 4982513 | Process and dryer section for drying a running web in a paper or board making machine | Tri Chau-Huu, Albrecht Meinecke | 1991-01-08 |
| 4882855 | Dryer section for drying a running web in a paper or board making machine | Tri Chau-Huu, Albrecht Meinecke | 1989-11-28 |