by liberation of internal stresses, e.g. shrinking of one of the parts to be joined

by liberation of internal stresses, e.g. shrinking of one of the parts to be joined · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB29C65/66
Official titleby liberation of internal stresses, e.g. shrinking of one of the parts to be joined
Display labelby liberation of internal stresses, e.g. shrinking of one of the parts to be joined
Total patents70

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20157
20167
201712
201811
20198
20208
20212
20225
20236
20243
20251

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC B29C65/66?
CPC B29C65/66 is the Cooperative Patent Classification code for “by liberation of internal stresses, e.g. shrinking of one of the parts to be joined.”
How many patents are filed under CPC B29C65/66 (by liberation of internal stresses, e.g. shrinking of one of the parts to be joined)?
Our database includes 70 publications tagged with this CPC code.
Is patent activity under CPC B29C65/66 growing?
Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).