Tokamaks

Tokamaks · Cooperative Patent Classification (CPC)

Computing, optics, measurement, and control technologies.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeG21B1/057
Official title{Tokamaks}
Display labelTokamaks
Total patents127

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
20161
20174
201813
20195
202017
202115
202213
202317
202419
202517
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 G21B1/057?
CPC G21B1/057 is the Cooperative Patent Classification code for “Tokamaks.”
How many patents are filed under CPC G21B1/057 (Tokamaks)?
Our database includes 127 publications tagged with this CPC code.
Is patent activity under CPC G21B1/057 growing?
Publication counts under this code: 19 in 2024 vs 17 in 2025 (latest complete years).