Glass material and optical fiber
US-2025382221-A1 · Dec 18, 2025 · US
containing metals
containing metals · 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 | C03C2201/30 |
| Official title | containing metals |
| Display label | containing metals |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 1 |
| 2022 | 3 |
| 2024 | 1 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Glass material and optical fiber
US-2025361174-A1 · Nov 27, 2025 · US
Fusion formable glass composition and colored glass-based articles formed therefrom
US-2025361172-A1 · Nov 27, 2025 · US
Titanium-containing quartz glass having excellent UV absorption, and method for producing same
US-12286374-B2 · Apr 29, 2025 · US
Composition for inorganic molded article production use, and method for producing inorganic molded article
US-11975996-B2 · May 7, 2024 · US
Optical fiber
US-11467340-B2 · Oct 11, 2022 · US
Titanium-containing quartz glass having excellent uv absorption, and method for producing same
US-2022204387-A1 · Jun 30, 2022 · US
Doped fused silica component for use in a plasma-assisted manufacturing process and method for producing the component
US-2022153626-A1 · May 19, 2022 · US
Optical fiber
US-2021096297-A1 · Apr 1, 2021 · US
Alkali metal-incorporated chalcopyrite compound-based thin film and method of fabricating the same
US-2020343393-A1 · Oct 29, 2020 · US
Method for controlling the formation of metallic nanoparticles in glass and products thereof
US-2020331791-A1 · Oct 22, 2020 · US
Optical fiber
US-2020241198-A1 · Jul 30, 2020 · US
Optical fiber
US-10656326-B2 · May 19, 2020 · US
Composition for inorganic molded article production use, and method for producing inorganic molded article
US-2020140318-A1 · May 7, 2020 · US
Optical fiber
US-2020024182-A1 · Jan 23, 2020 · US
Composite shaped body and silica glass, and method for producing the same
US-10407334-B2 · Sep 10, 2019 · US
Fused quartz tubing for pharmaceutical packaging and methods for making the same
US-10384972-B2 · Aug 20, 2019 · US
Discharge lamp
US-10354856-B2 · Jul 16, 2019 · US
Method for producing a glass ceramic element with patterned coating
US-10315276-B2 · Jun 11, 2019 · US
Discharge lamp
US-2019172698-A1 · Jun 6, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C03C2201/30?
- CPC C03C2201/30 is the Cooperative Patent Classification code for “containing metals.”
- How many patents are filed under CPC C03C2201/30 (containing metals)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC C03C2201/30 growing?
- Publication counts under this code: 1 in 2024 vs 4 in 2025 (latest complete years).