Liquid depolarisers

Liquid depolarisers · 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 codeH01M4/368
Official title{Liquid depolarisers}
Display labelLiquid depolarisers
Total patents140

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
20152
20162
20172
201814
201918
202028
202122
202220
202315
20246
20259
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 H01M4/368?
CPC H01M4/368 is the Cooperative Patent Classification code for “Liquid depolarisers.”
How many patents are filed under CPC H01M4/368 (Liquid depolarisers)?
Our database includes 140 publications tagged with this CPC code.
Is patent activity under CPC H01M4/368 growing?
Publication counts under this code: 6 in 2024 vs 9 in 2025 (latest complete years).