Safety valves; Equalising valves, {e.g. pressure relief valves}

Safety valves; Equalising valves, {e.g. pressure relief valves} · 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 codeF16K17/00
Official titleSafety valves; Equalising valves, {e.g. pressure relief valves}
Display labelSafety valves; Equalising valves, {e.g. pressure relief valves}
Total patents110

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
201520
201618
201714
20188
201911
20206
20217
20227
20237
20246
20255
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 F16K17/00?
CPC F16K17/00 is the Cooperative Patent Classification code for “Safety valves; Equalising valves, {e.g. pressure relief valves}.”
How many patents are filed under CPC F16K17/00 (Safety valves; Equalising valves, {e.g. pressure relief valves})?
Our database includes 110 publications tagged with this CPC code.
Is patent activity under CPC F16K17/00 growing?
Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).