Issued Patents All Time
Showing 26–50 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5951816 | Single facer with small intermediate corrugating roll | — | 1999-09-14 |
| 5948197 | Air pressure assisted beltless holddown for double backer | — | 1999-09-07 |
| 5926973 | Vacuum assisted beltless holddown for double backer | — | 1999-07-27 |
| 5899264 | Steam supply and condensate removal apparatus for heated roll | — | 1999-05-04 |
| 5897824 | Surface heating for a corrugated medium web | — | 1999-04-27 |
| 5891302 | Heating module for upper web surface in a double backer | — | 1999-04-06 |
| 5890301 | Thread-up apparatus for a corrugator double backer | — | 1999-04-06 |
| 5873974 | Composite web material | Harold D. Welch | 1999-02-23 |
| 5857605 | Vacuum assisted web drive for corrugator double backer | Harold D. Welch, Matthew Tourdot, Paul A. Garvoille | 1999-01-12 |
| 5853527 | Stationary holddown mat for corrugator double backer | Harold D. Welch, James A. Cummings | 1998-12-29 |
| 5832628 | Web holddown with thread-up mechanism | — | 1998-11-10 |
| 5797598 | Method for shingling and stacking conveyed sheet material | Dennis W. Rodewald | 1998-08-25 |
| 5766409 | Apparatus for leveling and supporting the hot plates in a double backer for corrugated paperboard | Larry M. Krznarich | 1998-06-16 |
| 5746010 | Web holddown and drive for corrugator double backer | Harold D. Welch, James A. Cummings | 1998-05-05 |
| 5732609 | Sheet saving diverter for corrugator | — | 1998-03-31 |
| 5729910 | Rotary drying drum | — | 1998-03-24 |
| 5706994 | Vacuum assisted web drive for corrugator double backer | Harold D. Welch, Matthew Tourdot, Paul A. Garvoille | 1998-01-13 |
| 5681422 | Pressure roll for a single facer | — | 1997-10-28 |
| 5678816 | System for feeding short length sheets for slitting | Andrew J. Ponomarenko, Shayne A. Roberts, Jeffrey Willers | 1997-10-21 |
| 5632830 | Adjustable ballast system for a double facer | — | 1997-05-27 |
| 5628865 | Single facer with small intermediate corrugating roll | — | 1997-05-13 |
| 5628868 | Apparatus and method for applying a viscous liquid to a material surface | James A. Cummings | 1997-05-13 |
| 5626335 | Vertical lift system for delivering sheets in stacks | Raymond E. Radwanski, John J. Kondratuk, James A. Volrath | 1997-05-06 |
| 5613673 | Sheet stacking apparatus | Shayne A. Roberts | 1997-03-25 |
| 5600900 | Vacuum assisted web drying system | — | 1997-02-11 |