in one piece with protrusions or ridges on the shaft

in one piece with protrusions or ridges on the shaft · Cooperative Patent Classification (CPC)

Engines, pumps, lighting, heating, and mechanical systems.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeF16B13/02
Official titlein one piece with protrusions or ridges on the shaft
Display labelin one piece with protrusions or ridges on the shaft
Total patents46

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
20153
20161
20172
20186
20198
20206
20215
20226
20231
20245
20253

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 F16B13/02?
CPC F16B13/02 is the Cooperative Patent Classification code for “in one piece with protrusions or ridges on the shaft.”
How many patents are filed under CPC F16B13/02 (in one piece with protrusions or ridges on the shaft)?
Our database includes 46 publications tagged with this CPC code.
Is patent activity under CPC F16B13/02 growing?
Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).