Glass Cloth and Method of Manufacture
US-2024140863-A1 · May 2, 2024 · US
Pure silica glass, e.g. pure fused quartz
Pure silica glass, e.g. pure fused quartz · 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 | C03C2201/02 |
| Official title | Pure silica glass, e.g. pure fused quartz |
| Display label | Pure silica glass, e.g. pure fused quartz |
| Total patents | 122 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 5 |
| 2017 | 6 |
| 2018 | 8 |
| 2019 | 14 |
| 2020 | 16 |
| 2021 | 13 |
| 2022 | 18 |
| 2023 | 8 |
| 2024 | 20 |
| 2025 | 13 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Low dielectric loss glasses for electronic devices
US-2021395134-A1 · Dec 23, 2021 · US
Photonic crystal fiber, a method of production thereof and a supercontinuum light source
US-2021311251-A1 · Oct 7, 2021 · US
Synthetic quartz glass substrate with antireflection film, window material, lid for optical element package, optical element package, and light irradiation device
US-2021293994-A1 · Sep 23, 2021 · US
In-situ generation of glass-like materials inside subterranean formation
US-11124689-B2 · Sep 21, 2021 · US
Resin composition, optical fiber, and method for manufacturing optical fiber
US-2021198517-A1 · Jul 1, 2021 · US
Optical fiber preform and method for manufacturing such optical fiber preform from a primary preform
US-11046608-B2 · Jun 29, 2021 · US
Method of treating surface of quartz member and quartz member obtained by same
US-2021147287-A1 · May 20, 2021 · US
Optical fiber
US-2021132291-A1 · May 6, 2021 · US
Photonic crystal fiber, a method of production thereof and a supercontinuum light source
US-10928584-B2 · Feb 23, 2021 · US
Silica glass crucible
US-2020392032-A1 · Dec 17, 2020 · US
Preparation of a quartz glass body in a multi-chamber oven
US-2020361806-A1 · Nov 19, 2020 · US
Methods and laser processing machines for the surface structuring of laser-transparent workpieces
US-2020331100-A1 · Oct 22, 2020 · US
Photonic crystal fiber, a method of production thereof and a supercontinuum light source
US-2020319401-A1 · Oct 8, 2020 · US
Resin composition and optical fiber
US-2020262749-A1 · Aug 20, 2020 · US
Method for preparing synthetic quartz glass substrate
US-10737966-B2 · Aug 11, 2020 · US
Preparation of a quartz glass body in a multi-chamber oven
US-10730780-B2 · Aug 4, 2020 · US
Low dielectric loss glasses for electronic devices
US-2020231490-A1 · Jul 23, 2020 · US
Rayleigh scattering based distributed fiber sensors with optimized scattering coefficients
US-10663326-B2 · May 26, 2020 · US
Composition for inorganic molded article production use, and method for producing inorganic molded article
US-2020140318-A1 · May 7, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C03C2201/02?
- CPC C03C2201/02 is the Cooperative Patent Classification code for “Pure silica glass, e.g. pure fused quartz.”
- How many patents are filed under CPC C03C2201/02 (Pure silica glass, e.g. pure fused quartz)?
- Our database includes 122 publications tagged with this CPC code.
- Is patent activity under CPC C03C2201/02 growing?
- Publication counts under this code: 20 in 2024 vs 13 in 2025 (latest complete years).