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Use of foils, membranes or other means to protect the filter before its use or for protecting the environment, e.g. during removal of the filter

Use of foils, membranes or other means to protect the filter before its use or for protecting the environment, e.g. during removal of the filter · 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 codeB01D2201/308
Official titleUse of foils, membranes or other means to protect the filter before its use or for protecting the environment, e.g. during removal of the filter
Display labelUse of foils, membranes or other means to protect the filter before its use or for protecting the environment, e.g. during removal of the filter
Total patents10

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20152
20162
20182
20211
20241
20252

Representative patents

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