Outer or upper end constructions

Outer or upper end constructions · 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 codeB66C23/66
Official titleOuter or upper end constructions
Display labelOuter or upper end constructions
Total patents83

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
20155
20162
201711
20186
201911
20207
20219
20223
202310
202411
20254
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 B66C23/66?
CPC B66C23/66 is the Cooperative Patent Classification code for “Outer or upper end constructions.”
How many patents are filed under CPC B66C23/66 (Outer or upper end constructions)?
Our database includes 83 publications tagged with this CPC code.
Is patent activity under CPC B66C23/66 growing?
Publication counts under this code: 11 in 2024 vs 4 in 2025 (latest complete years).