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Machines or engines characterised by non-bladed rotors, e.g. serrated, using friction

Machines or engines characterised by non-bladed rotors, e.g. serrated, using friction · 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	F03B5/00
Official title	Machines or engines characterised by non-bladed rotors, e.g. serrated, using friction
Display label	Machines or engines characterised by non-bladed rotors, e.g. serrated, using friction
Total patents	8

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

Filing activity over the last five years is stable.

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