Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12116192 | Corrugated pizza box and method for production of same | — | 2024-10-15 |
| 12064943 | Semi-corrugated paperboard panels and method for production of same | — | 2024-08-20 |
| 11938705 | Semi-corrugated paperboard panels and method for production of same | — | 2024-03-26 |
| 11794439 | Semi-corrugated paperboard panels and method for production of same | — | 2023-10-24 |
| 9933777 | Methods for schedule optimization sorting of dry end orders on a corrugator to minimize short order recovery time | Ronald H. Schmidt | 2018-04-03 |
| 9789622 | Apparatus for dry lubrication of a thin slitting blade | Richard F. Paulson | 2017-10-17 |
| 9387513 | Method for automatic setting of the rider roll/glue applicator roll gap on a glue machine | — | 2016-07-12 |
| 9199387 | Method and apparatus for a rules based utilization of a minimum-slit-head configuration plunge slitter | John J. Kondratuk, Ronald H. Schmidt | 2015-12-01 |
| 8931378 | Method and apparatus for dry lubrication of a thin slitting blade | Richard F. Paulson | 2015-01-13 |
| 8317955 | Method for automatic setting of the rider roll/glue applicator roll gap on a glue machine | Charles M. Hirtreiter, John R. Sofinowski | 2012-11-27 |
| 8267847 | Method and apparatus for a rules-based utilization of a minimum-slit-head configuration plunger slitter | John J. Kondratuk, Ronald H. Schmidt | 2012-09-18 |
| 7938925 | Method and apparatus for increased splicing speed on a corrugator web splicer | Jeffrey M. Stieber, Paul S. Heidenreich | 2011-05-10 |
| 7568412 | Method for order transition on a plunge slitter | — | 2009-08-04 |
| 7568411 | Method for order transition on a plunge slitter | — | 2009-08-04 |
| 6893520 | Method and apparatus for synchronizing end of order cutoff for a plunge slit order change on a corrugator | Richard F. Paulson, Shayne A. Roberts | 2005-05-17 |
| 6117381 | Method and apparatus for providing a gapless order change in a corrugator | — | 2000-09-12 |
| 6103171 | Method and apparatus for facilitating a gapless order change in a corrugator | — | 2000-08-15 |
| 6048429 | Production of double wall corrugated web | Carl R. Marschke | 2000-04-11 |
| 6022017 | Method for handling a small gap order change in a corrugator | Erik D. Langfoss | 2000-02-08 |
| 5853527 | Stationary holddown mat for corrugator double backer | Carl R. Marschke, Harold D. Welch | 1998-12-29 |
| 5746010 | Web holddown and drive for corrugator double backer | Carl R. Marschke, Harold D. Welch | 1998-05-05 |
| 5690601 | Method and apparatus for slitting and scoring corrugated paperboard sheets for folding | Arthur Burkart | 1997-11-25 |
| 5656005 | Method and apparatus for automatically forming corrugated sheets into block-shaped units of optimal size | David Hess, Marajo Reis, Michael Chao | 1997-08-12 |
| 5628868 | Apparatus and method for applying a viscous liquid to a material surface | Carl R. Marschke | 1997-05-13 |
| 5165314 | Slitting shingled sheets | Richard F. Paulson | 1992-11-24 |