characterised by special use

characterised by special use · 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 codeB64C39/02
Official titlecharacterised by special use
Display labelcharacterised by special use
Total patents771

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
201519
201623
201735
201853
201979
2020109
202187
202287
202383
2024103
202575
202618

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 B64C39/02?
CPC B64C39/02 is the Cooperative Patent Classification code for “characterised by special use.”
How many patents are filed under CPC B64C39/02 (characterised by special use)?
Our database includes 771 publications tagged with this CPC code.
Is patent activity under CPC B64C39/02 growing?
Publication counts under this code: 103 in 2024 vs 75 in 2025 (latest complete years).