Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12358201 | Method and apparatus for handling a die unit for a sheet extrusion system | Mitchell L. Gritzner, Donovan Petry, Dana R. Hanson | 2025-07-15 |
| 12296367 | Method for handling components of a sheet extrusion system | Dana R. Hanson | 2025-05-13 |
| 11052592 | Extruder assembly and method of extruding a meltable material using the extruder assembly | Dana R. Hanson | 2021-07-06 |
| 10406738 | Die assembly and method of setting up an extrusion system utilizing the die assembly | Dana R. Hanson, Mitchell L. Gritzner | 2019-09-10 |
| 10350810 | Barrel assembly and method of setting up an extrusion system utilizing the barrel assembly | Dana R. Hanson, Mitchell L. Gritzner | 2019-07-16 |
| 10071517 | Polymer filter assembly and method of setting up an extruding system utilizing the polymer filter assembly | Dana R. Hanson, Mitchell L. Gritzner | 2018-09-11 |
| 8631925 | Adjusting mechanism for rolls on a roll stand assembly | Dana R. Hanson | 2014-01-21 |
| 8342118 | Sheet coating system on an apparatus for extrusion forming a sheet product | Dana R. Hanson, Mitchell L. Gritzner | 2013-01-01 |
| 8240180 | Height positioning mechanism for roll stand assembly on an apparatus for continuously forming an extruded sheet product | Dana R. Hanson, Mitchell L. Gritzner | 2012-08-14 |
| 8152509 | Gap adjusting mechanism for rolls on a roll stand used in the extrusion forming of a sheet product | Dana R. Hanson, Mitchell L. Gritzner | 2012-04-10 |
| 8021140 | Linear bearing assembly to guide movement of roll stand on apparatus for forming an extruded sheet product | Dana R. Hanson, Mitchell L. Gritzner | 2011-09-20 |