Process and apparatus for producing flat glass
US-2026092002-A1 · Apr 2, 2026 · US
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Drawing glass sheets
Drawing glass sheets · 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 | C03B15/02 |
| Official title | Drawing glass sheets |
| Display label | Drawing glass sheets |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Glasses with improved ion exchangeability
US-12570570-B2 · Mar 10, 2026 · US
Methods and apparatus for manufacturing a glass ribbon
US-2026035279-A1 · Feb 5, 2026 · US
Glass substrate
US-12209052-B2 · Jan 28, 2025 · US
Methods of making glass constructs
US-12051824-B2 · Jul 30, 2024 · US
Continuous methods of forming glass ribbon using a gyrotron microwave heating device
US-11739018-B2 · Aug 29, 2023 · US
Glass substrate
US-2022363585-A1 · Nov 17, 2022 · US
Glass substrate
US-2022204385-A1 · Jun 30, 2022 · US
Apparatus and method for forming a glass article
US-11319234-B2 · May 3, 2022 · US
Methods of making glass constructs
US-2022013857-A1 · Jan 13, 2022 · US
Continuous methods of forming glass ribbon using a gyrotron microwave heating device
US-2021078894-A1 · Mar 18, 2021 · US
Method and apparatus for thickness control of a material ribbon
US-10870599-B2 · Dec 22, 2020 · US
Method for producing glass plate
US-2020325060-A1 · Oct 15, 2020 · US
Apparatus and method for forming a glass article
US-2020180990-A1 · Jun 11, 2020 · US
Glasses with improved ion exchangeability
US-2020010355-A1 · Jan 9, 2020 · US
Glass substrate
US-10233113-B2 · Mar 19, 2019 · US
Method and apparatus for thickness control of a material ribbon
US-2018334405-A1 · Nov 22, 2018 · US
X-ray and gamma-ray shielding glass
US-10035725-B2 · Jul 31, 2018 · US
Glass roll, device for producing glass roll, and process for producing glass roll
US-9931816-B2 · Apr 3, 2018 · US
Glass substrate
US-2018044223-A1 · Feb 15, 2018 · US