What is CPC H01H33/901?

CPC H01H33/901 is the Cooperative Patent Classification code for “making use of the energy of the arc or an auxiliary arc.”

How many patents are filed under CPC H01H33/901 (making use of the energy of the arc or an auxiliary arc)?

Our database includes 30 publications tagged with this CPC code.

Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).

making use of the energy of the arc or an auxiliary arc · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	H01H33/901
Official title	{making use of the energy of the arc or an auxiliary arc}
Display label	making use of the energy of the arc or an auxiliary arc
Total patents	30

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

Filing activity over the last five years is rapidly declining.

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Answers are generated from the same data shown on this page.

What is CPC H01H33/901?: CPC H01H33/901 is the Cooperative Patent Classification code for “making use of the energy of the arc or an auxiliary arc.”
How many patents are filed under CPC H01H33/901 (making use of the energy of the arc or an auxiliary arc)?: Our database includes 30 publications tagged with this CPC code.
Is patent activity under CPC H01H33/901 growing?: Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).