gear wheels

gear wheels · 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 codeB21D53/28
Official titlegear wheels
Display labelgear wheels
Total patents60

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20158
20167
201711
20187
20194
20209
20212
20225
20233
20242
20252

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 B21D53/28?
CPC B21D53/28 is the Cooperative Patent Classification code for “gear wheels.”
How many patents are filed under CPC B21D53/28 (gear wheels)?
Our database includes 60 publications tagged with this CPC code.
Is patent activity under CPC B21D53/28 growing?
Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).