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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.:

US 12779757 B1

PDFFull Text
Date of Patent:
Nov. 03, 2026

Filed:

Jun. 27, 2023

Filter device

Applicant:

Engel Austria Gmbh, Schwertberg, AT;

Inventors:

Guenther Klammer, Aschbach Markt, AT;

Thomas Koepplmayr, Marchtrenk, AT;

Gerhard Baeck, Schwertberg, AT;

Raffael Johannes Rathner, Scharnstein, AT;

Klaus Fellner, Steyr, AT;

Assignee:

ENGEL AUSTRIA GMBH, Schwertberg, AT;

Attorney:

Wenderoth, Lind & Ponack, L.L.P.

Primary Examiner:

Alison L Hindenlang

Assistant Examiner:

Debjani undefined Roy

Int. Cl.
CPC ...
B29C 45/23 (2006.01); B29C 45/17 (2006.01); B29C 45/58 (2006.01); B29C 48/69 (2019.01); B29C 37/00 (2006.01);
U.S. Cl.
CPC ...
B29C 48/69 (2019.02); B29C 45/1775 (2013.01); B29C 45/23 (2013.01); B29C 45/58 (2013.01); B29C 2037/96 (2013.01);
Abstract

Filter device for a molding machine with at least one filter element for filtering plasticized material, in particular plasticized plastic, wherein, in a fluidically parallel arrangement relative to the at least one filter element, at least one valve element is provided, which is formed to prevent the plasticized material from flowing through the at least one valve element during an injection process in a closed position and to allow the plasticized material to flow through the at least one valve element in an open position, in order to make it possible to relieve the pressure on the at least one filter element after the injection process.

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Klammer, Guenther. (2026). Filter device (U.S. Patent No. 12779757). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12779757

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