for creating voids inside the workpiece, e.g. for forming flow passages or flow patterns

for creating voids inside the workpiece, e.g. for forming flow passages or flow patterns · 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 codeB23K26/55
Official titlefor creating voids inside the workpiece, e.g. for forming flow passages or flow patterns
Display labelfor creating voids inside the workpiece, e.g. for forming flow passages or flow patterns
Total patents175

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
201516
201615
201715
201816
201919
202022
202115
202220
20237
202418
20256
20266

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 B23K26/55?
CPC B23K26/55 is the Cooperative Patent Classification code for “for creating voids inside the workpiece, e.g. for forming flow passages or flow patterns.”
How many patents are filed under CPC B23K26/55 (for creating voids inside the workpiece, e.g. for forming flow passages or flow patterns)?
Our database includes 175 publications tagged with this CPC code.
Is patent activity under CPC B23K26/55 growing?
Publication counts under this code: 18 in 2024 vs 6 in 2025 (latest complete years).