Tubular double-needle bed warp knitting machine
US-12385174-B2 · Aug 12, 2025 · US
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Tubular machines
Tubular machines · 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 | D04B25/02 |
| Official title | Tubular machines |
| Display label | Tubular machines |
| Total patents | 5 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2019 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Tubular double-needle bed warp knitting machine
US-2023383445-A1 · Nov 30, 2023 · US
Tubular Warp Knit Spacer Fabric
US-2023078969-A1 · Mar 16, 2023 · US
Tubular warp knit spacer fabric
US-11530501-B1 · Dec 20, 2022 · US
Knitted Tensile Structures
US-2019223541-A1 · Jul 25, 2019 · US