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Internal-combustion engines with pistons rotating or oscillating with relation to the housing

Internal-combustion engines with pistons rotating or oscillating with relation to the housing · 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	F02B2730/00
Official title	Internal-combustion engines with pistons rotating or oscillating with relation to the housing
Display label	Internal-combustion engines with pistons rotating or oscillating with relation to the housing
Total patents	4

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

Filing activity appears to be declining based on the most recent years.

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