by electrolysis

by electrolysis · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC02F1/461
Official titleby electrolysis
Display labelby electrolysis
Total patents214

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
20155
201619
201715
201812
201913
202014
202119
202222
202331
202435
202523
20266

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 C02F1/461?
CPC C02F1/461 is the Cooperative Patent Classification code for “by electrolysis.”
How many patents are filed under CPC C02F1/461 (by electrolysis)?
Our database includes 214 publications tagged with this CPC code.
Is patent activity under CPC C02F1/461 growing?
Publication counts under this code: 35 in 2024 vs 23 in 2025 (latest complete years).