Connection structure connecting knitting needle body and cable and circular knitting needle having the same
US-11220767-B2 · Jan 11, 2022 · US
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Crocheting tools or apparatus
Crocheting tools or apparatus · 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 | D04B33/00 |
| Official title | Crocheting tools or apparatus |
| Display label | Crocheting tools or apparatus |
| Total patents | 3 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2020 | 1 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.