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by or of water level

by or of water level · 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 codeF03B15/14
Official titleby or of water level
Display labelby or of water level
Total patents11

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
20161
20174
20182
20201
20221
20242

Representative patents

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