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with two rows of balls, one on each side of the rail

with two rows of balls, one on each side of the rail · 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 codeF16C29/0657
Official title{with two rows of balls, one on each side of the rail}
Display labelwith two rows of balls, one on each side of the rail
Total patents17

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
20161
20174
20182
20191
20222
20232
20242
20251

Representative patents

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