Castors in general {; Anti-clogging castors} (castors for large containers B65D90/18)

Castors in general {; Anti-clogging castors} (castors for large containers B65D90/18) · 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 codeB60B33/00
Official titleCastors in general {; Anti-clogging castors} (castors for large containers B65D90/18)
Display labelCastors in general {; Anti-clogging castors} (castors for large containers B65D90/18)
Total patents109

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
20158
20167
201714
20188
201914
20206
202113
202212
202314
20248
20254
20261

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 B60B33/00?
CPC B60B33/00 is the Cooperative Patent Classification code for “Castors in general {; Anti-clogging castors} (castors for large containers B65D90/18).”
How many patents are filed under CPC B60B33/00 (Castors in general {; Anti-clogging castors} (castors for large containers B65D90/18))?
Our database includes 109 publications tagged with this CPC code.
Is patent activity under CPC B60B33/00 growing?
Publication counts under this code: 8 in 2024 vs 4 in 2025 (latest complete years).