characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means

characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means · 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 codeF16K31/043
Official title{characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means}
Display labelcharacterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
Total patents436

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
20158
201613
201739
201861
201954
202054
202149
202249
202340
202434
202533
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 F16K31/043?
CPC F16K31/043 is the Cooperative Patent Classification code for “characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means.”
How many patents are filed under CPC F16K31/043 (characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means)?
Our database includes 436 publications tagged with this CPC code.
Is patent activity under CPC F16K31/043 growing?
Publication counts under this code: 34 in 2024 vs 33 in 2025 (latest complete years).