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Intermediate liquid piston between the driving piston and the pumped liquid (F04B43/06 and F04B43/10 take precedence)

Intermediate liquid piston between the driving piston and the pumped liquid (F04B43/06 and F04B43/10 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 codeF04B53/141
Official title{Intermediate liquid piston between the driving piston and the pumped liquid (F04B43/06 and F04B43/10 take precedence)}
Display labelIntermediate liquid piston between the driving piston and the pumped liquid (F04B43/06 and F04B43/10 take precedence)
Total patents11

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
20152
20161
20172
20181
20192
20231
20241
20261

Representative patents

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