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Having two or more closing springs acting on injection-valve

Having two or more closing springs acting on injection-valve · 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 codeF02M45/083
Official title{Having two or more closing springs acting on injection-valve}
Display labelHaving two or more closing springs acting on injection-valve
Total patents16

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20163
20184
20193
20201
20221
20243
20251

Representative patents

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