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the vanes having the form of rollers, slippers or the like

the vanes having the form of rollers, slippers or the like · 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 codeF04C2/3445
Official title{the vanes having the form of rollers, slippers or the like}
Display labelthe vanes having the form of rollers, slippers or the like
Total patents16

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
20171
20182
20202
20211
20221
20232
20242
20251

Representative patents

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