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for filtering (filters per se B01D)

for filtering (filters per se B01D) · 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 codeF16F9/3285
Official title{for filtering (filters per se B01D)}
Display labelfor filtering (filters per se B01D)
Total patents10

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
20152
20161
20202
20211
20222
20241
20251

Representative patents

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