Wire-drawing optical fiber base material manufacturing method and manufacturing apparatus
US-2022332627-A1 · Oct 20, 2022 · US
Fibre optics, e.g. core and clad fibre compositions (light guides G02B6/00)
Fibre optics, e.g. core and clad fibre compositions (light guides G02B6/00) · 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 | C03C13/04 |
| Official title | Fibre optics, e.g. core and clad fibre compositions (light guides G02B6/00) |
| Display label | Fibre optics, e.g. core and clad fibre compositions (light guides G02B6/00) |
| Total patents | 103 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 7 |
| 2020 | 13 |
| 2021 | 14 |
| 2022 | 14 |
| 2023 | 7 |
| 2024 | 15 |
| 2025 | 12 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High speed draw optical fiber coating system and method
US-11407682-B2 · Aug 9, 2022 · US
Optical fiber
US-11366267-B2 · Jun 21, 2022 · US
Glass manufacturing apparatus and methods
US-2022106215-A1 · Apr 7, 2022 · US
Thermally resistant radiation curable coatings for optical fiber
US-11256028-B2 · Feb 22, 2022 · US
High chlorine content low attenuation optical fiber
US-11237321-B2 · Feb 1, 2022 · US
Method for manufacturing optical fiber
US-2022009817-A1 · Jan 13, 2022 · US
Fiber identification with photoreactive marking compounds
US-2021371688-A1 · Dec 2, 2021 · US
Halogen co-doped optical fibers
US-11175450-B2 · Nov 16, 2021 · US
Radiation curable compositions for coating optical fiber
US-2021331969-A1 · Oct 28, 2021 · US
Nanoparticle doping for lasers and amplifiers operating at eye-safer wavelengths, and/or exhibiting reduced stimulated brillouin scattering
US-2021313756-A1 · Oct 7, 2021 · US
Manufacturing method of porous glass base material for optical fiber and manufacturing apparatus
US-2021292222-A1 · Sep 23, 2021 · US
Optical fiber ribbon and optical fiber cable
US-2021263255-A1 · Aug 26, 2021 · US
Optical fiber and manufacturing method of optical fiber
US-11079537-B2 · Aug 3, 2021 · US
Optical fiber
US-11048040-B2 · Jun 29, 2021 · US
Nanoparticle doping for lasers and amplifiers operating at eye-safer wavelengths, and/or exhibiting reduced Stimulated Brillouin Scattering
US-11043785-B2 · Jun 22, 2021 · US
Optical fiber
US-2021149107-A1 · May 20, 2021 · US
Optical fiber
US-2021132291-A1 · May 6, 2021 · US
Thermally resistant radiation curable coatings for optical fiber
US-2021088720-A1 · Mar 25, 2021 · US
High speed draw optical fiber coating system and method
US-2021032160-A1 · Feb 4, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C03C13/04?
- CPC C03C13/04 is the Cooperative Patent Classification code for “Fibre optics, e.g. core and clad fibre compositions (light guides G02B6/00).”
- How many patents are filed under CPC C03C13/04 (Fibre optics, e.g. core and clad fibre compositions (light guides G02B6/00))?
- Our database includes 103 publications tagged with this CPC code.
- Is patent activity under CPC C03C13/04 growing?
- Publication counts under this code: 15 in 2024 vs 12 in 2025 (latest complete years).