This page is not indexed by search engines while we improve data quality.

Hollow valve members, e.g. members internally guided

Hollow valve members, e.g. members internally guided · 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 codeF02M63/008
Official title{Hollow valve members, e.g. members internally guided}
Display labelHollow valve members, e.g. members internally guided
Total patents22

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
20154
20165
20173
20183
20191
20203
20213

Representative patents

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