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having two or more parallel tracks

having two or more parallel tracks · 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 codeF27B9/021
Official title{having two or more parallel tracks}
Display labelhaving two or more parallel tracks
Total patents11

Filing trend

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

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

Patents filed per year
YearPatents
20232
20244
20253
20262

Representative patents

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