Fiberboard structure manufacturing method, fiberboard structure manufacturing system, and fiberboard structure
US-2025229454-A1 · Jul 17, 2025 · US
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Combined bleaching or impregnating and drying of wood
Combined bleaching or impregnating and drying of wood · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B27K5/04 |
| Official title | Combined bleaching or impregnating and drying of wood |
| Display label | Combined bleaching or impregnating and drying of wood |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Strong and tough structural wood materials, and methods for fabricating and use thereof
US-2025162189-A1 · May 22, 2025 · US
Strong and tough structural wood materials, and methods for fabricating and use thereof
US-12285882-B2 · Apr 29, 2025 · US
Modified wood product and a process for producing said product
US-12220836-B2 · Feb 11, 2025 · US
Process for the production of OSB wood-based boards with reduced emission of volatile organic compounds (VOCs)
US-11904496-B2 · Feb 20, 2024 · US
Strong and tough structural wood materials, and methods for fabricating and use thereof
US-2023166427-A1 · Jun 1, 2023 · US
Strong and tough structural wood materials, and methods for fabricating and use thereof
US-11554514-B2 · Jan 17, 2023 · US
Fragrance dispensing emanating substrate and method
US-2022193296-A1 · Jun 23, 2022 · US
Strong and tough structural wood materials, and methods for fabricating and use thereof
US-2022040881-A1 · Feb 10, 2022 · US
Wood transaction instrument
US-11170279-B1 · Nov 9, 2021 · US
Strong and tough structural wood materials, and methods for fabricating and use thereof
US-11130256-B2 · Sep 28, 2021 · US
Process for the Production of OSB Wood-Based Boards with Reduced Emission of Volatile Organic Compounds (VOCs)
US-2021245391-A1 · Aug 12, 2021 · US
Process for the production of OSB wood-based boards with reduced emission of volatile organic compounds (VOCs)
US-11007668-B2 · May 18, 2021 · US
Strong and tough structural wood materials, and methods for fabricating and use thereof
US-2020223091-A1 · Jul 16, 2020 · US
Process for the Production of OSB Wood-Based Boards with Reduced Emission of Volatile Organic Compounds (VOCs)
US-2020108523-A1 · Apr 9, 2020 · US
Wood transaction instrument
US-10572784-B1 · Feb 25, 2020 · US
Modified wood product and a process for producing said product
US-2019054650-A1 · Feb 21, 2019 · US
Wood drying and preservation methods
US-2018071944-A1 · Mar 15, 2018 · US