Crystallized glass substrate
US-11926562-B2 · Mar 12, 2024 · US
Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface · 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 | C03C21/00 |
| Official title | Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface |
| Display label | Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface |
| Total patents | 460 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 42 |
| 2016 | 32 |
| 2017 | 39 |
| 2018 | 47 |
| 2019 | 46 |
| 2020 | 49 |
| 2021 | 32 |
| 2022 | 47 |
| 2023 | 47 |
| 2024 | 43 |
| 2025 | 28 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing crystallized glass member having curved shape
US-2024018029-A1 · Jan 18, 2024 · US
Strengthened glass with deep depth of compression
US-9517968-B2 · Dec 13, 2016 · US
Chemically tempered glass
US-2016347655-A1 · Dec 1, 2016 · US
Strengthened glass with deep depth of compression
US-9487434-B2 · Nov 8, 2016 · US
Strengthened glass with deep depth of compression
US-2016264452-A1 · Sep 15, 2016 · US
Strengthened glass with deep depth of compression
US-2016257605-A1 · Sep 8, 2016 · US
Transparent glass-ceramic articles, glass-ceramic precursor glasses and methods for forming the same
US-2016236970-A1 · Aug 18, 2016 · US
Method for localized annealing of chemically strengthened glass
US-2016207820-A1 · Jul 21, 2016 · US
Glass sheet and chemically strengthened glass sheet
US-2016200626-A1 · Jul 14, 2016 · US
Glass sheet
US-2016200627-A1 · Jul 14, 2016 · US
Substrate having a functional coating and a temporary protection layer
US-2016194516-A1 · Jul 7, 2016 · US
Method for handling ultra-thin glass for display panel
US-2016159685-A1 · Jun 9, 2016 · US
Methods of fabricating glass articles by laser damage and etching
US-9346706-B2 · May 24, 2016 · US
Glass compositions with improved chemical and mechanical durability
US-9340447-B2 · May 17, 2016 · US
Damage-resistant glass articles and method
US-9302937-B2 · Apr 5, 2016 · US
Method for texturing a glass surface
US-9302933-B2 · Apr 5, 2016 · US
Manufacturing method of substrate, manufacturing method of wiring substrate, glass substrate and wiring substrate
US-9232652-B2 · Jan 5, 2016 · US
Ion exchangeable glass with high crack initiation threshold
US-2015368150-A1 · Dec 24, 2015 · US
Scratch-resistant chemically tempered glass substrate and use thereof
US-2015353418-A1 · Dec 10, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C03C21/00?
- CPC C03C21/00 is the Cooperative Patent Classification code for “Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface.”
- How many patents are filed under CPC C03C21/00 (Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface)?
- Our database includes 460 publications tagged with this CPC code.
- Is patent activity under CPC C03C21/00 growing?
- Publication counts under this code: 43 in 2024 vs 28 in 2025 (latest complete years).