for rotating or pivoting valves

for rotating or pivoting 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 codeF16K31/563
Official title{for rotating or pivoting valves}
Display labelfor rotating or pivoting valves
Total patents67

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20151
20161
20174
20183
20198
202011
202111
202210
20238
20245
20254
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 F16K31/563?
CPC F16K31/563 is the Cooperative Patent Classification code for “for rotating or pivoting valves.”
How many patents are filed under CPC F16K31/563 (for rotating or pivoting valves)?
Our database includes 67 publications tagged with this CPC code.
Is patent activity under CPC F16K31/563 growing?
Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).