of cylinders, pistons, bearing shells or like thin-walled objects

of cylinders, pistons, bearing shells or like thin-walled objects · 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 codeB22D15/02
Official titleof cylinders, pistons, bearing shells or like thin-walled objects
Display labelof cylinders, pistons, bearing shells or like thin-walled objects
Total patents101

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
20154
201618
201715
20188
201912
20209
20216
202212
20238
20245
20254

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 B22D15/02?
CPC B22D15/02 is the Cooperative Patent Classification code for “of cylinders, pistons, bearing shells or like thin-walled objects.”
How many patents are filed under CPC B22D15/02 (of cylinders, pistons, bearing shells or like thin-walled objects)?
Our database includes 101 publications tagged with this CPC code.
Is patent activity under CPC B22D15/02 growing?
Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).