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Hand-driven ratchets

Hand-driven ratchets · 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 codeF16H31/002
Official title{Hand-driven ratchets}
Display labelHand-driven ratchets
Total patents20

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20151
20162
20173
20182
20191
20204
20212
20225

Representative patents

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