in direct contact with the pressure vessel

in direct contact with the pressure vessel · 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 codeF17C2205/0394
Official titlein direct contact with the pressure vessel
Display labelin direct contact with the pressure vessel
Total patents271

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
201511
201627
201722
201840
201921
202029
202117
202228
202318
202428
202524
20266

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 F17C2205/0394?
CPC F17C2205/0394 is the Cooperative Patent Classification code for “in direct contact with the pressure vessel.”
How many patents are filed under CPC F17C2205/0394 (in direct contact with the pressure vessel)?
Our database includes 271 publications tagged with this CPC code.
Is patent activity under CPC F17C2205/0394 growing?
Publication counts under this code: 28 in 2024 vs 24 in 2025 (latest complete years).