Three-wire DC power distribution systems; Systems having more than three wires

Three-wire DC power distribution systems; Systems having more than three wires · 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 codeH02J1/08
Official titleThree-wire DC power distribution systems; Systems having more than three wires
Display labelThree-wire DC power distribution systems; Systems having more than three wires
Total patents678

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
201548
201657
201760
201871
201958
202071
202162
202274
202364
202450
202553
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 H02J1/08?
CPC H02J1/08 is the Cooperative Patent Classification code for “Three-wire DC power distribution systems; Systems having more than three wires.”
How many patents are filed under CPC H02J1/08 (Three-wire DC power distribution systems; Systems having more than three wires)?
Our database includes 678 publications tagged with this CPC code.
Is patent activity under CPC H02J1/08 growing?
Publication counts under this code: 50 in 2024 vs 53 in 2025 (latest complete years).