Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9428363 | Winding system having at least one winding device | — | 2016-08-30 |
| 8518134 | Method and device for the entrained-flow gasification of solid fuels under pressure | Bernd Meyer, Steffen Krzack, Sirko Ogriseck, Hardy Rauchfuss, Mathias Rieger +2 more | 2013-08-27 |
| 6989406 | Polyurea polyrethanes having improved physical properties | Hans-Detlef Arntz, Klaus Brecht, Bernhard John, Michael Schneider | 2006-01-24 |
| 6802871 | Composition for pretreating fiber materials | Biancamaria Prozzo | 2004-10-12 |
| 6734217 | Flame resistant HR cold-moulded foam with a reduced fume density and toxicity | Marc Herrmann, Franz-Josef Bohne | 2004-05-11 |
| 6595373 | Wedge wire and paper stock screening apparatus incorporating such wedge wire | — | 2003-07-22 |
| 6590007 | Flame-resistant hr cold-moulded foam with reduced fume density and toxicity | Marc Herrmann, Franz-Josef Bohne | 2003-07-08 |
| 6193073 | Paper stock screening apparatus and method | David E. Chupka, Christopher M. Vitori | 2001-02-27 |
| 6120648 | Apparatus for pulping and deinking | Don Scott, William J. Fondow, Albert S. Kelly, David C. Grantz | 2000-09-19 |
| 5762756 | Methods and apparatus for pulping and deinking | Don Scott, William J. Fondow, Albert F. Kelly, David C. Grantz | 1998-06-09 |
| 5644238 | Method and apparatus for comparing load current in an electrical circuit with the capacity of its supply source | Gregory J. Seifert | 1997-07-01 |
| 5591336 | Apparatus for dewatering and or washing papermaking stock | David E. Chupka, Terry L. Bliss | 1997-01-07 |
| 5582686 | High pressure water jet comminuting | David E. Chupka, Christopher M. Vitori | 1996-12-10 |
| 5382327 | Apparatus for thickening pulp and paper stock | David E. Chupka | 1995-01-17 |
| 5367894 | Apparatus and method for washing cellulosic pulp | Clinton R. Parks, Michael A. Sieron, David E. Chupka | 1994-11-29 |
| 5262003 | Method and system for defibering paper making materials | David E. Chupka | 1993-11-16 |
| 5234172 | High pressure water jet comminuting | David E. Chupka, Christopher M. Vitori | 1993-08-10 |
| 5221437 | Screening apparatus for paper making stock | Michael A. Sieron, Clinton R. Parks | 1993-06-22 |
| 5189775 | Zone controlled deflection compensated roll | — | 1993-03-02 |
| 5186791 | Apparatus for thickening pulp and paper stock | David E. Chupka | 1993-02-16 |
| 5122229 | Apparatus and method for washing cellulosic pulp | — | 1992-06-16 |
| 5078275 | Screening apparatus for paper making stock | David E. Chupka, Terry L. Bliss, Derald R. Hatton, Jimmy L. Winkler | 1992-01-07 |
| 4722793 | Apparatus and method for thickening pulp and paper stock | Michael F. Kinne, Larry D. Markham | 1988-02-02 |
| 4668734 | Stable dispersions of polyureas and/or polyhydrazo-dicarbonamides in relatively high molecular weight hydroxyl-group containing materials, a process for the production thereof and the use thereof for the production of polyurethane plastics | Manfred Dietrich, Klaus K/o/ nig, Hans Hettel, Peter Vehlewald | 1987-05-26 |
| 4430453 | Polyurethane foams suitable for high frequency welding and process for producing the same | Peter Haas | 1984-02-07 |