Single hemmed joints, i.e. one of the parts to be joined being hemmed in the joint area

Single hemmed joints, i.e. one of the parts to be joined being hemmed in the joint area · 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 codeB29C66/135
Official title{Single hemmed joints, i.e. one of the parts to be joined being hemmed in the joint area}
Display labelSingle hemmed joints, i.e. one of the parts to be joined being hemmed in the joint area
Total patents84

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20154
20167
20177
201810
201910
20209
20217
20227
20234
20247
202511
20261

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 B29C66/135?
CPC B29C66/135 is the Cooperative Patent Classification code for “Single hemmed joints, i.e. one of the parts to be joined being hemmed in the joint area.”
How many patents are filed under CPC B29C66/135 (Single hemmed joints, i.e. one of the parts to be joined being hemmed in the joint area)?
Our database includes 84 publications tagged with this CPC code.
Is patent activity under CPC B29C66/135 growing?
Publication counts under this code: 7 in 2024 vs 11 in 2025 (latest complete years).