Process control

Introduced: January 2021

Full Title

Full titles differ between systems:

IPC:

Additive manufacturing of workpieces or articles from metallic powder > Process control

CPC:

Additive manufacturing of workpieces or articles from metallic powder (apparatus or devices therefor B22F12/00) > Process control

IPC and CPC are identically structured here. All 7 subcodes exist in both systems.

IPC defines codes here since 2021.

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B22F 10/31 Calibration of process steps or apparatus settings, e.g. before or during manufacturing since 2021 IPC+CPC Available in IPC and CPC
B22F 10/32 of the atmosphere, e.g. composition or pressure in a building chamber since 2021 IPC+CPC Available in IPC and CPC
B22F 10/34 of powder characteristics, e.g. density, oxidation or flowability since 2021 IPC+CPC Available in IPC and CPC
B22F 10/36 of energy beam parameters since 2021 IPC+CPC Available in IPC and CPC
B22F 10/37 of powder bed aspects, e.g. density since 2021 IPC+CPC Available in IPC and CPC
B22F 10/38 to achieve specific product aspects, e.g. surface smoothness, density, porosity or hollow structures since 2021 +1 CPC IPC+CPC Available in IPC and CPC
B22F 10/39 Traceability, e.g. incorporating identifier into a workpiece or article since 2021 IPC+CPC Available in IPC and CPC

Class B22,2013–2023, worldwide · Source: EPO PATSTAT

Class B22,2013–2023, worldwide · Source: EPO PATSTAT