for large storage vessels not under pressure (F17C13/008 and F17C13/02 - F17C13/12 take precedence)

for large storage vessels not under pressure (F17C13/008 and F17C13/02 - F17C13/12 take precedence) · 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 codeF17C13/004
Official title{for large storage vessels not under pressure (F17C13/008 and F17C13/02 - F17C13/12 take precedence)}
Display labelfor large storage vessels not under pressure (F17C13/008 and F17C13/02 - F17C13/12 take precedence)
Total patents123

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
20159
201612
201716
201814
201914
20208
20219
20228
202311
202415
20255
20262

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 F17C13/004?
CPC F17C13/004 is the Cooperative Patent Classification code for “for large storage vessels not under pressure (F17C13/008 and F17C13/02 - F17C13/12 take precedence).”
How many patents are filed under CPC F17C13/004 (for large storage vessels not under pressure (F17C13/008 and F17C13/02 - F17C13/12 take precedence))?
Our database includes 123 publications tagged with this CPC code.
Is patent activity under CPC F17C13/004 growing?
Publication counts under this code: 15 in 2024 vs 5 in 2025 (latest complete years).