Perforating by slitting, i.e. forming cuts closed at their ends without removal of material

Perforating by slitting, i.e. forming cuts closed at their ends without removal of material · 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 codeB26F1/18
Official titlePerforating by slitting, i.e. forming cuts closed at their ends without removal of material
Display labelPerforating by slitting, i.e. forming cuts closed at their ends without removal of material
Total patents86

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
20155
20165
20174
20187
201910
202010
202113
20229
20238
20246
20258
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 B26F1/18?
CPC B26F1/18 is the Cooperative Patent Classification code for “Perforating by slitting, i.e. forming cuts closed at their ends without removal of material.”
How many patents are filed under CPC B26F1/18 (Perforating by slitting, i.e. forming cuts closed at their ends without removal of material)?
Our database includes 86 publications tagged with this CPC code.
Is patent activity under CPC B26F1/18 growing?
Publication counts under this code: 6 in 2024 vs 8 in 2025 (latest complete years).