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with vertical shaft

with vertical shaft · 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 codeD21D1/36
Official titlewith vertical shaft
Display labelwith vertical shaft
Total patents19

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
20172
20182
20192
20203
20212
20224
20232
20242

Representative patents

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