in controlled atmosphere

in controlled 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 codeB22F2009/0844
Official title{in controlled atmosphere}
Display labelin controlled atmosphere
Total patents43

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
20151
20161
20174
20187
20191
20206
20214
20227
20237
20242
20252
20261

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 B22F2009/0844?
CPC B22F2009/0844 is the Cooperative Patent Classification code for “in controlled atmosphere.”
How many patents are filed under CPC B22F2009/0844 (in controlled atmosphere)?
Our database includes 43 publications tagged with this CPC code.
Is patent activity under CPC B22F2009/0844 growing?
Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).