DH

Dana R. Hanson

PI Processing Technologies International: 10 patents #1 of 6Top 20%
PT Processing Technologies: 8 patents #1 of 15Top 7%
Overall (All Time): #229,821 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12358201 Method and apparatus for handling a die unit for a sheet extrusion system Mitchell L. Gritzner, Ryan E. Leopold, Donovan Petry 2025-07-15
12296367 Method for handling components of a sheet extrusion system Ryan E. Leopold 2025-05-13
11890801 Method and system for processing an extruded sheet Mitchell L. Gritzner 2024-02-06
11865757 Method and apparatus for processing a formable material Mitchell L. Gritzner, Matthew Banach 2024-01-09
11052592 Extruder assembly and method of extruding a meltable material using the extruder assembly Ryan E. Leopold 2021-07-06
10406738 Die assembly and method of setting up an extrusion system utilizing the die assembly Mitchell L. Gritzner, Ryan E. Leopold 2019-09-10
10350810 Barrel assembly and method of setting up an extrusion system utilizing the barrel assembly Mitchell L. Gritzner, Ryan E. Leopold 2019-07-16
10207444 Diverter valve Mitchell L. Gritzner 2019-02-19
10071517 Polymer filter assembly and method of setting up an extruding system utilizing the polymer filter assembly Mitchell L. Gritzner, Ryan E. Leopold 2018-09-11
RE45965 Diverter valve Mitchell L. Gritzner 2016-04-05
9182067 Extrusion roll with selectable skew capability Mitchell L. Gritzner 2015-11-10
9139393 Roll stand assembly Mitchell L. Gritzner 2015-09-22
8631925 Adjusting mechanism for rolls on a roll stand assembly Ryan E. Leopold 2014-01-21
8490643 Diverter valve Mitchell L. Gritzner 2013-07-23
8342118 Sheet coating system on an apparatus for extrusion forming a sheet product Mitchell L. Gritzner, Ryan E. Leopold 2013-01-01
8240180 Height positioning mechanism for roll stand assembly on an apparatus for continuously forming an extruded sheet product Mitchell L. Gritzner, Ryan E. Leopold 2012-08-14
8152509 Gap adjusting mechanism for rolls on a roll stand used in the extrusion forming of a sheet product Mitchell L. Gritzner, Ryan E. Leopold 2012-04-10
8021140 Linear bearing assembly to guide movement of roll stand on apparatus for forming an extruded sheet product Mitchell L. Gritzner, Ryan E. Leopold 2011-09-20
7165962 Web handling roll stand 2007-01-23