combined with braking of castor wheel

combined with braking of castor wheel · 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 codeB60B33/021
Official title{combined with braking of castor wheel}
Display labelcombined with braking of castor wheel
Total patents51

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
20152
20167
20173
20183
20195
20201
20215
20223
20237
20246
20255
20264

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 B60B33/021?
CPC B60B33/021 is the Cooperative Patent Classification code for “combined with braking of castor wheel.”
How many patents are filed under CPC B60B33/021 (combined with braking of castor wheel)?
Our database includes 51 publications tagged with this CPC code.
Is patent activity under CPC B60B33/021 growing?
Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).