Process for recycling waste mineral material
US-2026062338-A1 · Mar 5, 2026 · US
in shaft furnaces {(C03B5/02 takes precedence)}
in shaft furnaces {(C03B5/02 takes precedence)} · 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 | C03B5/12 |
| Official title | in shaft furnaces {(C03B5/02 takes precedence)} |
| Display label | in shaft furnaces {(C03B5/02 takes precedence)} |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 3 |
| 2020 | 2 |
| 2021 | 3 |
| 2023 | 2 |
| 2024 | 6 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High temperature and low pressure fining of submerged combustion or other glass
US-2026022048-A1 · Jan 22, 2026 · US
High temperature and low pressure fining of submerged combustion or other glass
US-12459848-B2 · Nov 4, 2025 · US
High Temperature and Low Pressure Fining of Submerged Combustion or Other Glass
US-2024300840-A1 · Sep 12, 2024 · US
Oxy-fuel burner, ignition and flame control system and method for controlling ignition and flame
US-2024230087-A9 · Jul 11, 2024 · US
Gas-burning furnace
US-2024158277-A1 · May 16, 2024 · US
Oxy-fuel burner, ignition and flame control system and method for controlling ignition and flame
US-2024133551-A1 · Apr 25, 2024 · US
Method and apparatus for supplying pre-heated particulate mineral material for making a mineral melt
US-11878930-B2 · Jan 23, 2024 · US
Method of preparing a melt for the production of man-made mineral fibres
US-2024018028-A1 · Jan 18, 2024 · US
Method of making mineral fibres
US-2023075323-A1 · Mar 9, 2023 · US
Method for making man-made vitreous fibres
US-2023062262-A1 · Mar 2, 2023 · US
Method and apparatus for supplying pre-heated particulate mineral material for making a mineral melt
US-2021403360-A1 · Dec 30, 2021 · US
Submerged burner furnace
US-2021395127-A1 · Dec 23, 2021 · US
Method and an apparatus for making a mineral melt
US-11034606-B2 · Jun 15, 2021 · US
Glass manufacturing apparatus and related processes
US-10730779-B2 · Aug 4, 2020 · US
Submerged combustion melter and method
US-10604435-B2 · Mar 31, 2020 · US
Method and apparatus for supplying pre-heated particulate mineral material for making a mineral melt
US-2018354836-A1 · Dec 13, 2018 · US
Process and apparatus for making a mineral melt
US-10040712-B2 · Aug 7, 2018 · US
Submerged combustion melter and method
US-2018022629-A1 · Jan 25, 2018 · US
Process and apparatus for making a mineral melt
US-2017321885-A1 · Nov 9, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C03B5/12?
- CPC C03B5/12 is the Cooperative Patent Classification code for “in shaft furnaces {(C03B5/02 takes precedence)}.”
- How many patents are filed under CPC C03B5/12 (in shaft furnaces {(C03B5/02 takes precedence)})?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC C03B5/12 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).