Current collectors

Current collectors · 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 codeH01G11/66
Official titleCurrent collectors
Display labelCurrent collectors
Total patents198

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
201538
201626
201730
201817
201922
202011
202117
202211
20233
202414
20256
20263

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 H01G11/66?
CPC H01G11/66 is the Cooperative Patent Classification code for “Current collectors.”
How many patents are filed under CPC H01G11/66 (Current collectors)?
Our database includes 198 publications tagged with this CPC code.
Is patent activity under CPC H01G11/66 growing?
Publication counts under this code: 14 in 2024 vs 6 in 2025 (latest complete years).