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for reducing noise pollution

for reducing noise pollution · 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 codeF03D80/005
Official title{for reducing noise pollution}
Display labelfor reducing noise pollution
Total patents9

Filing trend

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

Filing activity appears to be growing based on the most recent years.

Patents filed per year
YearPatents
20242
20256
20261

Representative patents

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