with swirl means

with swirl means · 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 codeF23D11/383
Official title{with swirl means}
Display labelwith swirl means
Total patents248

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
201515
201630
201728
201828
201933
202024
202122
202217
202313
202421
202516
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 F23D11/383?
CPC F23D11/383 is the Cooperative Patent Classification code for “with swirl means.”
How many patents are filed under CPC F23D11/383 (with swirl means)?
Our database includes 248 publications tagged with this CPC code.
Is patent activity under CPC F23D11/383 growing?
Publication counts under this code: 21 in 2024 vs 16 in 2025 (latest complete years).