Method of producing a yarn and a fabric having the look and feel of natural fibers
US-11959200-B2 · Apr 16, 2024 · US
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Friction spinning, i.e. the running surface being provided by a pair of closely spaced friction drums, e.g. at least one suction drum {(false twisting with friction drums D01H1/11)}
Friction spinning, i.e. the running surface being provided by a pair of closely spaced friction drums, e.g. at least one suction drum {(false twisting with friction drums D01H1/11)} · 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 | D01H4/16 |
| Official title | Friction spinning, i.e. the running surface being provided by a pair of closely spaced friction drums, e.g. at least one suction drum {(false twisting with friction drums D01H1/11)} |
| Display label | Friction spinning, i.e. the running surface being provided by a pair of closely spaced friction drums, e.g. at least one suction drum {(false twisting with friction drums D01H1/11)} |
| Total patents | 4 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2019 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of producing a yarn and a fabric having the look and feel of natural fibers
US-2022112631-A1 · Apr 14, 2022 · US
Method of producing a yarn and a fabric having the look and feel of natural fibers
US-11203820-B2 · Dec 21, 2021 · US
Method of producing a yarn and a fabric having the look and feel of natural fibers
US-2019024266-A1 · Jan 24, 2019 · US