Changing atmosphere

Changing atmosphere · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB22F3/101
Official title{Changing atmosphere}
Display labelChanging atmosphere
Total patents41

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
20165
20175
20182
20194
20204
20218
20222
20236
20242
20251

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 B22F3/101?
CPC B22F3/101 is the Cooperative Patent Classification code for “Changing atmosphere.”
How many patents are filed under CPC B22F3/101 (Changing atmosphere)?
Our database includes 41 publications tagged with this CPC code.
Is patent activity under CPC B22F3/101 growing?
Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).