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for upper cylinder lubrication only

for upper cylinder lubrication only · 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	F01M3/04
Official title	for upper cylinder lubrication only
Display label	for upper cylinder lubrication only
Total patents	7

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

Filing activity over the last five years is rapidly declining.

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