End pieces consisting of a ferrule or sleeve

End pieces consisting of a ferrule or sleeve · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeH01R11/28
Official titleEnd pieces consisting of a ferrule or sleeve
Display labelEnd pieces consisting of a ferrule or sleeve
Total patents128

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20155
20166
201713
201812
201921
202016
20217
20229
20236
202418
202511
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 H01R11/28?
CPC H01R11/28 is the Cooperative Patent Classification code for “End pieces consisting of a ferrule or sleeve.”
How many patents are filed under CPC H01R11/28 (End pieces consisting of a ferrule or sleeve)?
Our database includes 128 publications tagged with this CPC code.
Is patent activity under CPC H01R11/28 growing?
Publication counts under this code: 18 in 2024 vs 11 in 2025 (latest complete years).