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Spiral or volute casings

Spiral or volute casings · 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 codeF03B3/186
Official title{Spiral or volute casings}
Display labelSpiral or volute casings
Total patents7

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
20172
20191
20203
20211

Representative patents

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