Skip to main content
DownloadPatent

United States

US 12,697,772 B2

Process for three-dimensional printing with variable cross-section

US 12,697,772 B2 is a granted patent from the United States Patent and Trademark Office (USPTO), dated 2026-08-04. Applicant: SAFRAN HELICOPTER ENGINES. Its PDF downloads from this page without an account, up to 5 a day.

A first-page preview appears here once the PDF has been downloaded.
Applicant
SAFRAN HELICOPTER ENGINES
Inventors
Laurent CHARES
Publication date
2026-08-04
Filing date
2024-12-23
Document type
B2 Granted patent
Also written as
US 12,697,772 B2 · US12697772 · 12697772

Abstract

A process for three-dimensional printing of a workpiece including a succession of steps for producing a layer of the workpiece by means of a nozzle which has an output cross-section along a path of the nozzle, wherein, during at least one step for producing a layer, use is made of at least one nozzle, an output portion of which has an output cross-section which is variable between a first maximum cross-section and a second minimum cross-section, and wherein the cross-section of at least one part of an output portion of the nozzle is varied along at least one portion of the path.

The opening of the abstract. The full text is in the PDF.

No account needed: 5 free downloads a day (5 left today). Batch downloads and Office Action citations need a free account.

Patent office website: United States Patent and Trademark Office (USPTO)

Look up another patent

Need many patents at once?

Paste a whole list of numbers. DownloadPatent finds the right version of each and packs the PDFs into one ZIP.

Sign up free