Glass direct roving production method and glass direct roving
US-2025320156-A1 · Oct 16, 2025 · US
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Drying; Dehydration; Dehydroxylation
Drying; Dehydration; Dehydroxylation · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C03C25/64 |
| Official title | Drying; Dehydration; Dehydroxylation |
| Display label | Drying; Dehydration; Dehydroxylation |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Glass direct roving production method and glass direct roving
US-12365621-B2 · Jul 22, 2025 · US
Process for drying wet glass fibre forming packages
US-12304854-B2 · May 20, 2025 · US
Process for drying wet glass fibre forming packages
US-2024254042-A1 · Aug 1, 2024 · US
Process for drying wet glass fibre forming packages
US-11981599-B2 · May 14, 2024 · US
Method for modification of surface of optical fiber preform
US-11733459-B2 · Aug 22, 2023 · US
Metal treatments for fiber substrates, processes for treating fiber substrates, and filter media having treated fiber substrates
US-2023212068-A1 · Jul 6, 2023 · US
Fiber composite material and method for producing the same
US-2023192541-A1 · Jun 22, 2023 · US
Process for drying wet glass fibre forming packages
US-2022340485-A1 · Oct 27, 2022 · US
Glass direct roving production method and glass direct roving
US-2022298066-A1 · Sep 22, 2022 · US
Antiviral metal treatments for fiber substrates, filter media having antiviral metal treatments, and processes for treating fiber substrates
US-2022117233-A1 · Apr 21, 2022 · US
Antiviral metal treatments for fiber substrates, filter media having antiviral metal treatments, and processes for treating fiber substrates
US-2022061327-A1 · Mar 3, 2022 · US
Method and facility for manufacturing a fiberglass material
US-11066319-B2 · Jul 20, 2021 · US
Resin composite and restoration containing bioactive glass fillers
US-10940097-B2 · Mar 9, 2021 · US
Method for impregnating a fibrous substrate with a methacrylic mixture comprising a flame-retardant substance
US-10787388-B2 · Sep 29, 2020 · US
Method for modification of surface of optical fiber preform
US-2020209475-A1 · Jul 2, 2020 · US
Resin composite and restoration containing bioactive glass fillers
US-2020121562-A1 · Apr 23, 2020 · US
Gypsum products with fortified glass fiber mat
US-10272641-B2 · Apr 30, 2019 · US
Method and facility for manufacturing a fiberglass material
US-2019023599-A1 · Jan 24, 2019 · US
Method for impregnating a fibrous substrate with a methacrylic mixture comprising a flame-retardant substance
US-2018179105-A1 · Jun 28, 2018 · US