Method for hot pressing preforms from a fiber-containing material
US-12571162-B2 · Mar 10, 2026 · US
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using board presses
using board presses · 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 | D21F13/10 |
| Official title | using board presses |
| Display label | using board presses |
| 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 |
|---|---|
| 2016 | 1 |
| 2018 | 1 |
| 2023 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hot-Pressing Tool Half, Hot-Pressing Device with A Hot-Pressing Tool and Method for Hot Pressing Preforms from A Fiber-Containing Material
US-2023313458-A1 · Oct 5, 2023 · US
Sheet manufacturing apparatus and sheet manufacturing method
US-9920478-B2 · Mar 20, 2018 · US
Sheet manufacturing apparatus and sheet manufacturing method
US-2016069023-A1 · Mar 10, 2016 · US