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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G10K 11/162

Selection of materials

Introduced: January 1995

Full Title

Full titles differ between systems:

IPC:

Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general > Methods or devices for protecting against, or for damping, noise or other acoustic waves in general > Selection of materials

CPC:

Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general > Methods or devices for protecting against, or for damping, noise or other acoustic waves in general (G10K11/36 takes precedence) > Selection of materials

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 1995.

Child Classifications

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  • G10K 11/165 Particles in a matrix since 1995 IPC+CPC Available in IPC and CPC
  • G10K 11/168 Plural layers of different materials, e.g. sandwiches since 1995 IPC+CPC Available in IPC and CPC