What is CPC H01P1/185?

CPC H01P1/185 is the Cooperative Patent Classification code for “using a diode or a gas filled discharge tube.”

How many patents are filed under CPC H01P1/185 (using a diode or a gas filled discharge tube)?

Our database includes 75 publications tagged with this CPC code.

Publication counts under this code: 20 in 2024 vs 11 in 2025 (latest complete years).

using a diode or a gas filled discharge tube · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	H01P1/185
Official title	using a diode or a gas filled discharge tube
Display label	using a diode or a gas filled discharge tube
Total patents	75

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

Filing activity over the last five years is rapidly growing.

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 H01P1/185?: CPC H01P1/185 is the Cooperative Patent Classification code for “using a diode or a gas filled discharge tube.”
How many patents are filed under CPC H01P1/185 (using a diode or a gas filled discharge tube)?: Our database includes 75 publications tagged with this CPC code.
Is patent activity under CPC H01P1/185 growing?: Publication counts under this code: 20 in 2024 vs 11 in 2025 (latest complete years).