Friction stir welding involving a mechanical connection

Friction stir welding involving a mechanical connection · 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 codeB23K20/127
Official title{Friction stir welding involving a mechanical connection}
Display labelFriction stir welding involving a mechanical connection
Total patents107

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20154
20163
20177
201813
201915
202014
202111
202213
20237
202411
20259

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 B23K20/127?
CPC B23K20/127 is the Cooperative Patent Classification code for “Friction stir welding involving a mechanical connection.”
How many patents are filed under CPC B23K20/127 (Friction stir welding involving a mechanical connection)?
Our database includes 107 publications tagged with this CPC code.
Is patent activity under CPC B23K20/127 growing?
Publication counts under this code: 11 in 2024 vs 9 in 2025 (latest complete years).