by exposure to gases

by exposure to gases · 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 codeB05D3/04
Official titleby exposure to gases
Display labelby exposure to gases
Total patents130

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
201514
20168
201719
201814
201914
202018
202112
202211
202310
20244
20255
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 B05D3/04?
CPC B05D3/04 is the Cooperative Patent Classification code for “by exposure to gases.”
How many patents are filed under CPC B05D3/04 (by exposure to gases)?
Our database includes 130 publications tagged with this CPC code.
Is patent activity under CPC B05D3/04 growing?
Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).