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.:
Date of Patent:
Jul. 22, 2025
Filed:
Aug. 02, 2023
Applicant:
Lawrence Livermore National Security, Llc, Livermore, CA (US);
Inventor:
Eric S. Elton, Livermore, CA (US);
Assignee:
Lawrence Livermore National Security, LLC, Livermore, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D 23/00 (2006.01); B22F 10/22 (2021.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01);
U.S. Cl.
CPC ...
B22D 23/003 (2013.01); B22F 10/22 (2021.01); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12);
Abstract
Various embodiments include constant pressure direct casting into molds to create low surface finish additive manufacturing parts with reduced surface roughness apparatus having a liquid metal print head, a high pressure gas supply line, a pneumatic valve between said liquid metal print head and said high pressure gas supply line, a build plate motion stage, and a stream of metal produced by said liquid metal print head that is directed onto said build plate motion stage to produce the low surface finish additive manufacturing parts with reduced surface roughness.