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.

Date of Patent:
Jul. 05, 2011

Filed:

May. 25, 2007
Applicants:

Thomas Davidson, Arlington, MA (US);

Robert Villegas, Los Angeles, CA (US);

Inventors:

Thomas Davidson, Arlington, MA (US);

Robert Villegas, Los Angeles, CA (US);

Assignee:

Z Corporation, Burlington, MA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 29/13 (2006.01); B28B 1/14 (2006.01); B05B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention is directed towards methods and apparatus for handling powder in a 3D printer. The invention includes a means of transporting powder from multiple sources to a powder dispensing apparatus with minimal user intervention, thus reducing contamination of the 3D printer and surrounding area with loose powder, while also providing a means of improving the recycling of powder for re-use.


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