Halogens

Halogens · 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 codeH01M4/388
Official title{Halogens}
Display labelHalogens
Total patents73

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20153
20164
20174
20187
201910
20209
20219
20226
202313
20244
20254

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 H01M4/388?
CPC H01M4/388 is the Cooperative Patent Classification code for “Halogens.”
How many patents are filed under CPC H01M4/388 (Halogens)?
Our database includes 73 publications tagged with this CPC code.
Is patent activity under CPC H01M4/388 growing?
Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).