The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 01, 2026
Filed:
Mar. 18, 2020
Applicant:
Erema Engineering Recycling Maschinen Und Anlagen Gesellschaft M.b.h., Ansfelden, AT;
Inventors:
Michael Aigner, Leonding, AT;
Georg Weigerstorfer, Linz/Ebelsberg, AT;
Herbert Freilinger, Weisskirchen an der Traun, AT;
Klaus Feichtinger, Linz, AT;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F 27/1143 (2022.01); B01F 27/171 (2022.01); B01F 101/00 (2022.01); B29B 17/04 (2006.01); B29C 48/60 (2019.01); B65G 33/26 (2006.01);
U.S. Cl.
CPC ...
B01F 27/1143 (2022.01); B01F 27/171 (2022.01); B29B 17/04 (2013.01); B29C 48/60 (2019.02); B65G 33/26 (2013.01); B01F 2101/2805 (2022.01); B01F 2215/0409 (2013.01); B01F 2215/0422 (2013.01);
Abstract
A screw for an extruder or conveyor is disclosed. The screw includes a helical web extending around a core, where at least a portion of an active conveying flank of the web is formed with an undercut in the conveying direction. The screw may function as a conveying or dosing screw for processing polymer materials.
Aigner, Michael. (2026). Screw having a web formed undercut for an extruder or conveyor (U.S. Patent No. 12722129). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12722129
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile