Door telephones (adapted for television H04N7/186)

Door telephones (adapted for television H04N7/186) · 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 codeH04M11/025
Official title{Door telephones (adapted for television H04N7/186)}
Display labelDoor telephones (adapted for television H04N7/186)
Total patents350

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
201543
201628
201728
201835
201941
202035
202128
202230
202324
202429
202527
20262

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 H04M11/025?
CPC H04M11/025 is the Cooperative Patent Classification code for “Door telephones (adapted for television H04N7/186).”
How many patents are filed under CPC H04M11/025 (Door telephones (adapted for television H04N7/186))?
Our database includes 350 publications tagged with this CPC code.
Is patent activity under CPC H04M11/025 growing?
Publication counts under this code: 29 in 2024 vs 27 in 2025 (latest complete years).