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Purification of the pulp suspension by mechanical means; Apparatus therefor (centrifuges, cyclones B04)

Purification of the pulp suspension by mechanical means; Apparatus therefor (centrifuges, cyclones B04) · Cooperative Patent Classification (CPC)

Textile and paper production, treatment, and products.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeD21D5/00
Official titlePurification of the pulp suspension by mechanical means; Apparatus therefor (centrifuges, cyclones B04)
Display labelPurification of the pulp suspension by mechanical means; Apparatus therefor (centrifuges, cyclones B04)
Total patents23

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
20151
20162
20173
20183
20193
20202
20212
20225
20242

Representative patents

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