smoke-producing {, e.g. infrared clouds}

smoke-producing {, e.g. infrared clouds} · Cooperative Patent Classification (CPC)

Engines, pumps, lighting, heating, and mechanical systems.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeF42B12/48
Official titlesmoke-producing {, e.g. infrared clouds}
Display labelsmoke-producing {, e.g. infrared clouds}
Total patents48

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
20155
20162
20174
20189
20195
202011
20213
20222
20234
20243

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 F42B12/48?
CPC F42B12/48 is the Cooperative Patent Classification code for “smoke-producing {, e.g. infrared clouds}.”
How many patents are filed under CPC F42B12/48 (smoke-producing {, e.g. infrared clouds})?
Our database includes 48 publications tagged with this CPC code.
Is patent activity under CPC F42B12/48 growing?
Publication counts under this code: 4 in 2023 vs 3 in 2024 (latest complete years).