Method for producing crystallized glass member having curved shape
US-2024018029-A1 · Jan 18, 2024 · US
doped with aluminium (C03B2201/36 takes precedence)
doped with aluminium (C03B2201/36 takes precedence) · 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 | C03B2201/32 |
| Official title | doped with aluminium (C03B2201/36 takes precedence) |
| Display label | doped with aluminium (C03B2201/36 takes precedence) |
| Total patents | 72 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 10 |
| 2017 | 7 |
| 2018 | 4 |
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 9 |
| 2022 | 3 |
| 2023 | 7 |
| 2024 | 3 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reducing light-induced loss in optical fibre
US-2023305222-A1 · Sep 28, 2023 · US
Optimized core particles for optical fiber preform and optical fiber preform thereof
US-2023069378-A1 · Mar 2, 2023 · US
Method for manufacturing an optical fibre and optical fiber thereof
US-2023064814-A1 · Mar 2, 2023 · US
Method for drawing an optical fiber using rod-in cylinder technique
US-2023060842-A1 · Mar 2, 2023 · US
Methods for producing a hollow-core fiber and for producing a preform for a hollow-core fiber
US-2022267193-A1 · Aug 25, 2022 · US
Forming and bonding of glass components for portable electronic devices
US-2022194840-A1 · Jun 23, 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
Microstructured materials
US-2021292934-A1 · Sep 23, 2021 · US
Optical tube waveguide lasing medium and related method
US-11114812-B2 · Sep 7, 2021 · US
Methods of soot capture and articles formed therefrom
US-11103825-B2 · Aug 31, 2021 · US
Spray granulation of silicon dioxide in the preparation of quartz glass
US-11053152-B2 · Jul 6, 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 to reduce darkening in phosphor in glass (PIG) made by SPS
US-11046607-B2 · Jun 29, 2021 · US
Method for producing crystallized glass member having curved shape
US-2021139362-A1 · May 13, 2021 · US
Process for creating a polymer filament suitable for use in three-dimensional printing
US-11001945-B2 · May 11, 2021 · US
Glass fibers
US-10899652-B2 · Jan 26, 2021 · US
Quartz glass crucible and manufacturing method thereof
US-10822716-B2 · Nov 3, 2020 · US
Method to Reduce Darkening in Phosphor in Glass (PIG) Made by SPS
US-2020247704-A1 · Aug 6, 2020 · US
Reducing light-induced loss in optical fibre
US-2020158946-A1 · May 21, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C03B2201/32?
- CPC C03B2201/32 is the Cooperative Patent Classification code for “doped with aluminium (C03B2201/36 takes precedence).”
- How many patents are filed under CPC C03B2201/32 (doped with aluminium (C03B2201/36 takes precedence))?
- Our database includes 72 publications tagged with this CPC code.
- Is patent activity under CPC C03B2201/32 growing?
- Publication counts under this code: 3 in 2024 vs 6 in 2025 (latest complete years).