Production method for precarbonized fiber bundle, production method for carbon fiber bundle, and precarbonization furnace
US-12516451-B2 · Jan 6, 2026 · US
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with elimination of fumes
with elimination of fumes · 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 | D02J13/008 |
| Official title | {with elimination of fumes} |
| Display label | with elimination of fumes |
| 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 |
|---|---|
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Production method for precarbonized fiber bundle, production method for carbon fiber bundle, and precarbonization furnace
US-2024035205-A1 · Feb 1, 2024 · US
Carbon fiber production method
US-11261545-B2 · Mar 1, 2022 · US
Carbon fiber production method
US-2021054540-A1 · Feb 25, 2021 · US