Method of producing melt, method of producing glass article, melting apparatus, and equipment for producing glass article
US-12378147-B2 · Aug 5, 2025 · US
by passing an electric current between electrodes immersed in the glass bath, i.e. by direct resistance heating
by passing an electric current between electrodes immersed in the glass bath, i.e. by direct resistance heating · 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 | C03B5/027 |
| Official title | by passing an electric current between electrodes immersed in the glass bath, i.e. by direct resistance heating |
| Display label | by passing an electric current between electrodes immersed in the glass bath, i.e. by direct resistance heating |
| Total patents | 65 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 2 |
| 2020 | 11 |
| 2021 | 7 |
| 2022 | 11 |
| 2023 | 6 |
| 2024 | 11 |
| 2025 | 6 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for manufacturing glass article
US-2025236550-A1 · Jul 24, 2025 · US
Glass melting furnaces and vessels with improved electrical resistivity
US-2025115508-A1 · Apr 10, 2025 · US
Melting furnace electrode push assembly with torque limiter
US-12252433-B2 · Mar 18, 2025 · US
Method for heating molten glass and glass article
US-12157696-B2 · Dec 3, 2024 · US
Alkali-free glass plate
US-2024375992-A1 · Nov 14, 2024 · US
Method for producing glass article and glass-melting furnace
US-2024343628-A1 · Oct 17, 2024 · US
Carrier glass and method for producing same
US-12109780-B2 · Oct 8, 2024 · US
Apparatus and method for mitigating electrochemical attack of precious metal components in a glass making process
US-12091351-B2 · Sep 17, 2024 · US
Apparatus and method for mitigating electrochemical attack of precious metal components in a glass making process
US-12091352-B2 · Sep 17, 2024 · US
Alkali-free glass plate
US-12077471-B2 · Sep 3, 2024 · US
Bus bar design to enable high current input for low resistivity glasses
US-11993533-B2 · May 28, 2024 · US
Process for thermoprocessing a charge
US-2024166546-A1 · May 23, 2024 · US
Method and apparatus for making a glass product and corresponding glass product
US-2024092672-A1 · Mar 21, 2024 · US
Method of making high quality glass products from high viscosity melts
US-2024010539-A1 · Jan 11, 2024 · US
Glass plate and method for manufacturing same
US-2023365453-A1 · Nov 16, 2023 · US
Glass plate and method for manufacturing same
US-11753329-B2 · Sep 12, 2023 · US
Method for manufacturing alkali-free glass substrate and alkali-free glass substrate
US-11629092-B2 · Apr 18, 2023 · US
Method for producing glass article
US-11613487-B2 · Mar 28, 2023 · US
Method for making man-made vitreous fibres
US-2023061070-A1 · Mar 2, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C03B5/027?
- CPC C03B5/027 is the Cooperative Patent Classification code for “by passing an electric current between electrodes immersed in the glass bath, i.e. by direct resistance heating.”
- How many patents are filed under CPC C03B5/027 (by passing an electric current between electrodes immersed in the glass bath, i.e. by direct resistance heating)?
- Our database includes 65 publications tagged with this CPC code.
- Is patent activity under CPC C03B5/027 growing?
- Publication counts under this code: 11 in 2024 vs 6 in 2025 (latest complete years).