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by changing the eccentricity of the cylinders, e.g. by moving a cylinder block

by changing the eccentricity of the cylinders, e.g. by moving a cylinder block · 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 codeF04B49/128
Official title{by changing the eccentricity of the cylinders, e.g. by moving a cylinder block}
Display labelby changing the eccentricity of the cylinders, e.g. by moving a cylinder block
Total patents18

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20151
20162
20171
20184
20202
20222
20232
20242
20262

Representative patents

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