by physical means, e.g. irradiation

by physical means, e.g. irradiation · 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 codeC12H1/16
Official titleby physical means, e.g. irradiation
Display labelby physical means, e.g. irradiation
Total patents25

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
20154
20161
20173
20193
20201
20214
20223
20231
20241
20252
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 C12H1/16?
CPC C12H1/16 is the Cooperative Patent Classification code for “by physical means, e.g. irradiation.”
How many patents are filed under CPC C12H1/16 (by physical means, e.g. irradiation)?
Our database includes 25 publications tagged with this CPC code.
Is patent activity under CPC C12H1/16 growing?
Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).