for limiting the maximum flow rate, using a stop

for limiting the maximum flow rate, using a stop · 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 codeF16K1/523
Official title{for limiting the maximum flow rate, using a stop}
Display labelfor limiting the maximum flow rate, using a stop
Total patents127

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
20154
201610
201717
20189
201917
202017
202114
202214
20239
20248
20255
20263

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 F16K1/523?
CPC F16K1/523 is the Cooperative Patent Classification code for “for limiting the maximum flow rate, using a stop.”
How many patents are filed under CPC F16K1/523 (for limiting the maximum flow rate, using a stop)?
Our database includes 127 publications tagged with this CPC code.
Is patent activity under CPC F16K1/523 growing?
Publication counts under this code: 8 in 2024 vs 5 in 2025 (latest complete years).