Glass melting furnace with submerged burner, comprising an anti-slosh barrier
US-2026022049-A1 · Jan 22, 2026 · US
Bridges, shoes, throats, or other devices for withholding dirt, foam, or batch
Bridges, shoes, throats, or other devices for withholding dirt, foam, or batch · 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 | C03B5/20 |
| Official title | Bridges, shoes, throats, or other devices for withholding dirt, foam, or batch |
| Display label | Bridges, shoes, throats, or other devices for withholding dirt, foam, or batch |
| Total patents | 51 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 7 |
| 2017 | 13 |
| 2018 | 2 |
| 2019 | 8 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Restricting Backflowing Molten Glass in a Refiner
US-2025376403-A1 · Dec 11, 2025 · US
Hybrid glass manufacturing furnace with electric melting, for supplying a float unit
US-2025019287-A1 · Jan 16, 2025 · US
Feeder tank for a glass melter
US-12084378-B2 · Sep 10, 2024 · US
Glass manufacturing
US-11912608-B2 · Feb 27, 2024 · US
Color streaked glass containers using cullet injection
US-2023331615-A1 · Oct 19, 2023 · US
Method for decreasing bubble lifetime on a glass melt surface
US-11655176-B2 · May 23, 2023 · US
Glass Manufacturing
US-2022388884-A1 · Dec 8, 2022 · US
Feeder Tank For A Glass Melter
US-2022332622-A1 · Oct 20, 2022 · US
Method for decreasing bubble lifetime on a glass melt surface
US-2022017398-A1 · Jan 20, 2022 · US
Vacuum refining of molten glass
US-11001519-B2 · May 11, 2021 · US
Effective discharge of exhaust from submerged combustion melters and methods
US-10793459-B2 · Oct 6, 2020 · US
Device and process for producing a glass product and glass product
US-2020239350-A1 · Jul 30, 2020 · US
Systems and methods for glass manufacturing
US-10472268-B2 · Nov 12, 2019 · US
Submerged combustion melters having an extended treatment zone and methods of producing molten glass
US-2019337833-A1 · Nov 7, 2019 · US
Vacuum Refining of Molten Glass
US-2019284077-A1 · Sep 19, 2019 · US
Processes for producing molten glasses from glass batches using turbulent submerged combustion melting, and systems for carrying out such processes
US-2019263701-A1 · Aug 29, 2019 · US
Submerged combustion melters having an extended treatment zone and methods of producing molten glass
US-10392285-B2 · Aug 27, 2019 · US
Effective discharge of exhaust from submerged combustion melters and methods
US-2019177200-A1 · Jun 13, 2019 · US
Effective discharge of exhaust from submerged combustion melters and methods
US-10246362-B2 · Apr 2, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C03B5/20?
- CPC C03B5/20 is the Cooperative Patent Classification code for “Bridges, shoes, throats, or other devices for withholding dirt, foam, or batch.”
- How many patents are filed under CPC C03B5/20 (Bridges, shoes, throats, or other devices for withholding dirt, foam, or batch)?
- Our database includes 51 publications tagged with this CPC code.
- Is patent activity under CPC C03B5/20 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).