Fin lines; Slot lines

Fin lines; Slot lines · 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 codeH01P3/023
Official title{Fin lines; Slot lines}
Display labelFin lines; Slot lines
Total patents27

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
20151
20161
20174
20181
20192
20204
20214
20222
20232
20245
20251

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 H01P3/023?
CPC H01P3/023 is the Cooperative Patent Classification code for “Fin lines; Slot lines.”
How many patents are filed under CPC H01P3/023 (Fin lines; Slot lines)?
Our database includes 27 publications tagged with this CPC code.
Is patent activity under CPC H01P3/023 growing?
Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).