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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 11780167 B1

PDFFull Text
Date of Patent:
Oct. 10, 2023

Filed:

Nov. 16, 2018

Apparatus for the manufacture of three-dimensional objects

Applicant:

Stratasys Powder Production Ltd., Cambridge, GB;

Inventors:

Frederik Tjellesen, Cambridge, GB;

Anders Hartmann, Cambridge, GB;

Alexander Rasmussen, Cambridge, GB;

Assignee:

Stratasys Powder Production Ltd., London, GB;

Attorneys:

Honigman LLP

Eric J. Sosenko

Jonathan P. O'Brien

Primary Examiner:

Timothy Kennedy

Int. Cl.
CPC ...
B29C 64/357 (2017.01); B29C 64/307 (2017.01); B29C 64/214 (2017.01); B29C 64/314 (2017.01); B29C 64/321 (2017.01); B29C 64/153 (2017.01); B29C 64/245 (2017.01); B29C 64/255 (2017.01); B29C 64/295 (2017.01); B33Y 40/00 (2020.01); B22F 10/73 (2021.01); B22F 12/50 (2021.01); B33Y 30/00 (2015.01); B29C 64/209 (2017.01); B29C 64/227 (2017.01); B33Y 40/10 (2020.01); B22F 10/28 (2021.01); B22F 12/13 (2021.01); B22F 12/20 (2021.01); B22F 12/57 (2021.01); B22F 12/63 (2021.01); B22F 12/90 (2021.01);
U.S. Cl.
CPC ...
B29C 64/307 (2017.08); B22F 10/73 (2021.01); B22F 12/50 (2021.01); B29C 64/153 (2017.08); B29C 64/214 (2017.08); B29C 64/245 (2017.08); B29C 64/255 (2017.08); B29C 64/295 (2017.08); B29C 64/314 (2017.08); B29C 64/321 (2017.08); B29C 64/357 (2017.08); B33Y 40/00 (2014.12); B22F 10/28 (2021.01); B22F 12/13 (2021.01); B22F 12/20 (2021.01); B22F 12/57 (2021.01); B22F 12/63 (2021.01); B22F 12/90 (2021.01); B29C 64/209 (2017.08); B29C 64/227 (2017.08); B33Y 30/00 (2014.12); B33Y 40/10 (2020.01);
Abstract

A powder recirculation system for an apparatus for manufacturing a three-dimensional object () from powder is provided. The powder recirculation system comprises: a delivery path coupled to an outlet of a powder tank (), the powder tank configured to store the powder; a powder repository () coupled to an outlet of the delivery path, the delivery path comprising a delivery mechanism for delivering the powder from the powder tank to the powder repository; a powder recirculation path coupled to an outlet () of the powder repository, wherein the powder recirculation path is configured to return first excess powder from the powder repository to the delivery path at a location () upstream of the outlet of the powder tank.

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