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with vanes reciprocating with respect to the outer member

with vanes reciprocating with respect to the outer member · 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 codeF04C2/356
Official titlewith vanes reciprocating with respect to the outer member
Display labelwith vanes reciprocating with respect to the outer member
Total patents16

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
20163
20173
20182
20202
20223
20242
20251

Representative patents

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