Method and apparatus for entangling yarns
US-9528199-B2 · Dec 27, 2016 · US
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imparting twist by contact of fibres with a running surface
imparting twist by contact of fibres with a running surface · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D01H4/04 |
| Official title | imparting twist by contact of fibres with a running surface |
| Display label | imparting twist by contact of fibres with a running surface |
| Total patents | 2 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for entangling yarns
US-2015259831-A1 · Sep 17, 2015 · US