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Rotary-piston machines or engines with fluid ring or the like

Rotary-piston machines or engines with fluid ring or the like · 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 codeF01C7/00
Official titleRotary-piston machines or engines with fluid ring or the like
Display labelRotary-piston machines or engines with fluid ring or the like
Total patents3

Filing trend

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

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

Patents filed per year
YearPatents
20161
20172

Representative patents

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