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for plugs with spherical surfaces

for plugs with spherical surfaces · Cooperative Patent Classification (CPC)

Engines, pumps, lighting, heating, and mechanical systems.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	F16K5/227
Official title	{for plugs with spherical surfaces}
Display label	for plugs with spherical surfaces
Total patents	7

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

Filing activity over the last five years is growing.

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