by particle radiation, e.g. electron beams

by particle radiation, e.g. electron beams · 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 codeC22B9/228
Official title{by particle radiation, e.g. electron beams}
Display labelby particle radiation, e.g. electron beams
Total patents29

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
20162
20176
20184
20192
20202
20212
20225
20232
20241

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 C22B9/228?
CPC C22B9/228 is the Cooperative Patent Classification code for “by particle radiation, e.g. electron beams.”
How many patents are filed under CPC C22B9/228 (by particle radiation, e.g. electron beams)?
Our database includes 29 publications tagged with this CPC code.
Is patent activity under CPC C22B9/228 growing?
Publication counts under this code: 2 in 2023 vs 1 in 2024 (latest complete years).