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:
Oct. 12, 2021

Filed:

Oct. 10, 2019
Applicant:

Lawrence Livermore National Security, Llc, Livermore, CA (US);

Inventors:

Saad A. Khairallah, Livermore, CA (US);

Gabe Guss, Manteca, CA (US);

Eric B. Herbold, Hayward, CA (US);

Wayne E. King, Danville, CA (US);

Manyalibo J. Matthews, Livermore, CA (US);

Alexander M. Rubenchik, Livermore, CA (US);

Otis R. Walton, Livermore, CA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 64/153 (2017.01); B29C 64/205 (2017.01); B29C 64/268 (2017.01); B29C 64/245 (2017.01); B29C 64/35 (2017.01); B33Y 40/00 (2020.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01);
U.S. Cl.
CPC ...
B29C 64/153 (2017.08); B29C 64/205 (2017.08); B29C 64/245 (2017.08); B29C 64/268 (2017.08); B29C 64/35 (2017.08); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 40/00 (2014.12);
Abstract

A laser powder bed fusion additive manufacturing system having a powder dispenser that provides powder layers on a build platform; a laser fusion system that fuses the powder layers, wherein spatter particles are produce on the powder layers; and a powder bed sweeping system that sweeps the spatter particles from the powder layers. The powder bed sweeping system includes a brush that has bristles that contact the spatter particles and sweeps the spatter particles from the powder layers.


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