the means being only outside the tubular element

the means being only outside the tubular element · 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 codeF28F1/12
Official titlethe means being only outside the tubular element
Display labelthe means being only outside the tubular element
Total patents340

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201538
201629
201734
201845
201934
202024
202123
202236
202324
202425
202524
20264

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 F28F1/12?
CPC F28F1/12 is the Cooperative Patent Classification code for “the means being only outside the tubular element.”
How many patents are filed under CPC F28F1/12 (the means being only outside the tubular element)?
Our database includes 340 publications tagged with this CPC code.
Is patent activity under CPC F28F1/12 growing?
Publication counts under this code: 25 in 2024 vs 24 in 2025 (latest complete years).