Pump inlet valves of the check valve type being open when actuated

Pump inlet valves of the check valve type being open when actuated · 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 codeF02M59/367
Official title{Pump inlet valves of the check valve type being open when actuated}
Display labelPump inlet valves of the check valve type being open when actuated
Total patents111

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
201515
201613
201715
20189
201916
202018
20219
20223
20237
20243
20253

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 F02M59/367?
CPC F02M59/367 is the Cooperative Patent Classification code for “Pump inlet valves of the check valve type being open when actuated.”
How many patents are filed under CPC F02M59/367 (Pump inlet valves of the check valve type being open when actuated)?
Our database includes 111 publications tagged with this CPC code.
Is patent activity under CPC F02M59/367 growing?
Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).