separating and removing the vapour

separating and removing the vapour · 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 codeF04D9/003
Official title{separating and removing the vapour}
Display labelseparating and removing the vapour
Total patents69

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20154
20164
20175
20184
20198
20203
20219
20224
20239
20246
202512
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 F04D9/003?
CPC F04D9/003 is the Cooperative Patent Classification code for “separating and removing the vapour.”
How many patents are filed under CPC F04D9/003 (separating and removing the vapour)?
Our database includes 69 publications tagged with this CPC code.
Is patent activity under CPC F04D9/003 growing?
Publication counts under this code: 6 in 2024 vs 12 in 2025 (latest complete years).