Collars or rings

Collars or rings · 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 codeB65D53/02
Official titleCollars or rings
Display labelCollars or rings
Total patents502

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
201521
201633
201743
201834
201961
202051
202154
202250
202345
202458
202542
202610

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 B65D53/02?
CPC B65D53/02 is the Cooperative Patent Classification code for “Collars or rings.”
How many patents are filed under CPC B65D53/02 (Collars or rings)?
Our database includes 502 publications tagged with this CPC code.
Is patent activity under CPC B65D53/02 growing?
Publication counts under this code: 58 in 2024 vs 42 in 2025 (latest complete years).