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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 9022771 B1

PDFFull Text
Date of Patent:
May. 05, 2015

Filed:

Jan. 03, 2014

Liquefier assembly for use in extrusion-based additive manufacturing systems

Applicant:

Stratasys, Inc., Eden Prairie, MN (US);

Inventors:

William J. Swanson, St. Paul, MN (US);

Kevin C. Johnson, Minneapolis, MN (US);

Timothy A. Hjelsand, Waconia, MN (US);

J. Samuel Batchelder, Somers, NY (US);

Assignee:

Stratasys, Inc., Eden Praire, MN (US);

Attorney:

Westman, Champlin & Koehler, P.A.

Primary Examiner:

Joseph S Del Sole

Assistant Examiner:

Nahida Sultana

Int. Cl.
CPC ...
B29C 67/00 (2006.01); B29C 47/08 (2006.01); B29C 47/00 (2006.01); B29C 47/86 (2006.01);
U.S. Cl.
CPC ...
B29C 67/0055 (2013.01); B29C 47/0002 (2013.01); B29C 47/0852 (2013.01); B29C 47/0864 (2013.01); B29C 47/862 (2013.01); B29C 2947/92571 (2013.01); B29C 47/0014 (2013.01);
Abstract

A liquefier assembly for use in an extrusion-based additive manufacturing system, the liquefier assembly comprising a downstream portion having a first average inner cross-sectional area, and an upstream having a second average inner cross-sectional area that is less than the first inner cross-sectional area, the upstream portion defining a shoulder configured to restrict movement of a melt meniscus of a consumable material.

Find Patent Forward Citations

Swanson, William. (2015). Liquefier assembly for use in extrusion-based additive manufacturing systems (U.S. Patent No. 9022771). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9022771

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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