Prevention of membrane fouling or of concentration polarisation

Prevention of membrane fouling or of concentration polarisation · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB01D65/08
Official titlePrevention of membrane fouling or of concentration polarisation
Display labelPrevention of membrane fouling or of concentration polarisation
Total patents825

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
201549
201664
201770
201890
201989
202093
202189
202277
202366
202462
202564
202612

Representative patents

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

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC B01D65/08?
CPC B01D65/08 is the Cooperative Patent Classification code for “Prevention of membrane fouling or of concentration polarisation.”
How many patents are filed under CPC B01D65/08 (Prevention of membrane fouling or of concentration polarisation)?
Our database includes 825 publications tagged with this CPC code.
Is patent activity under CPC B01D65/08 growing?
Publication counts under this code: 62 in 2024 vs 64 in 2025 (latest complete years).