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Preventing loss of prime, siphon breakers (stopping of pumps F04D15/02)

Preventing loss of prime, siphon breakers (stopping of pumps F04D15/02) · 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 codeF04D9/007
Official title{Preventing loss of prime, siphon breakers (stopping of pumps F04D15/02)}
Display labelPreventing loss of prime, siphon breakers (stopping of pumps F04D15/02)
Total patents11

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20152
20162
20192
20221
20232
20242

Representative patents

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