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Intermediate liquid-piston between a driving piston and a driven piston (F04B9/10, F04B43/06, F04B43/10 and F04B53/141 take precedence)

Intermediate liquid-piston between a driving piston and a driven piston (F04B9/10, F04B43/06, F04B43/10 and F04B53/141 take precedence) · 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 codeF04B53/142
Official title{Intermediate liquid-piston between a driving piston and a driven piston (F04B9/10, F04B43/06, F04B43/10 and F04B53/141 take precedence)}
Display labelIntermediate liquid-piston between a driving piston and a driven piston (F04B9/10, F04B43/06, F04B43/10 and F04B53/141 take precedence)
Total patents3

Filing trend

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

Filing activity appears stable based on the most recent years.

Patents filed per year
YearPatents
20151
20171
20181

Representative patents

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