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with two or more rotary valves, their rotational axes being parallel, e.g. 4-stroke

with two or more rotary valves, their rotational axes being parallel, e.g. 4-stroke · Cooperative Patent Classification (CPC)

Engines, pumps, lighting, heating, and mechanical systems.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	F01L7/026
Official title	{with two or more rotary valves, their rotational axes being parallel, e.g. 4-stroke}
Display label	with two or more rotary valves, their rotational axes being parallel, e.g. 4-stroke
Total patents	5

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

Not enough yearly data to assess filing trend yet.

Patents filed per year
Year	Patents
2025	5

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.