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for rollers {of drafting machines; Roller speed control}(regulating or varying draft D01H5/32)

for rollers {of drafting machines; Roller speed control}(regulating or varying draft D01H5/32) · Cooperative Patent Classification (CPC)

Textile and paper production, treatment, and products.

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CPC classification statistics
Metric	Value
CPC code	D01H1/22
Official title	for rollers {of drafting machines; Roller speed control}(regulating or varying draft D01H5/32)
Display label	for rollers {of drafting machines; Roller speed control}(regulating or varying draft D01H5/32)
Total patents	7

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

Filing activity over the last five years is growing.

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