Glass melting process with very low to zero-co2 emission
US-2025353773-A1 · Nov 20, 2025 · US
Tank furnaces
Tank furnaces · 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 | C03B5/03 |
| Official title | Tank furnaces |
| Display label | Tank furnaces |
| Total patents | 45 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 7 |
| 2022 | 8 |
| 2023 | 4 |
| 2024 | 9 |
| 2025 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Glass melting process with very low to zero-co2 emission
US-2025353774-A1 · Nov 20, 2025 · US
Glass melting process with very low to zero-co2 emission
US-2025346517-A1 · Nov 13, 2025 · US
Energy efficient and durable hybrid glass melting furnace
US-2025340475-A1 · Nov 6, 2025 · US
Melting device
US-2025154042-A1 · May 15, 2025 · US
Electric glass furnace, methods for the melting and manufacture of glass by means of said furnace
US-2025145511-A1 · May 8, 2025 · US
Hybrid glass-manufacturing furnace with three convection currents for feeding a float unit
US-2025034020-A1 · Jan 30, 2025 · US
Glass melting process with very low to zero-co2 emission
US-2025011213-A1 · Jan 9, 2025 · US
Glass melting process with very low to zero-co2 emission
US-2025002388-A1 · Jan 2, 2025 · US
Glass melting process with very low to zero-co2 emission
US-2024425402-A1 · Dec 26, 2024 · US
Glass melting process with very low to zero-co2 emission
US-2024425401-A1 · Dec 26, 2024 · US
Method for heating molten glass and glass article
US-12157696-B2 · Dec 3, 2024 · US
Segmented glass melting furnace
US-2024343627-A1 · Oct 17, 2024 · US
Method for producing glass article and glass-melting furnace
US-2024343628-A1 · Oct 17, 2024 · US
Bus bar design to enable high current input for low resistivity glasses
US-11993533-B2 · May 28, 2024 · US
Method and apparatus for making a glass product and corresponding glass product
US-2024092672-A1 · Mar 21, 2024 · US
Gradient fining tank for refining foamy molten glass and a method of using the same
US-11919798-B2 · Mar 5, 2024 · US
Method of making high quality glass products from high viscosity melts
US-2024010539-A1 · Jan 11, 2024 · US
Method for producing glass article
US-11613487-B2 · Mar 28, 2023 · US
Method for making man-made vitreous fibres
US-2023062262-A1 · Mar 2, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C03B5/03?
- CPC C03B5/03 is the Cooperative Patent Classification code for “Tank furnaces.”
- How many patents are filed under CPC C03B5/03 (Tank furnaces)?
- Our database includes 45 publications tagged with this CPC code.
- Is patent activity under CPC C03B5/03 growing?
- Publication counts under this code: 9 in 2024 vs 9 in 2025 (latest complete years).