Impurity removal method of silicate solid waste and its application
US-12589420-B2 · Mar 31, 2026 · US
by induction heating
by induction 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 | C03B5/021 |
| Official title | {by induction heating} |
| Display label | by induction heating |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus for charging heating element into vitrified melting furnace
US-2026018312-A1 · Jan 15, 2026 · US
Fining molten material using reduced pressure
US-12486190-B2 · Dec 2, 2025 · US
Glass production method
US-12459850-B2 · Nov 4, 2025 · US
Glass production method
US-12448312-B2 · Oct 21, 2025 · US
Glass production method
US-2024368016-A1 · Nov 7, 2024 · US
Fining molten material using reduced pressure
US-2024166545-A1 · May 23, 2024 · US
Glass for radiation and/or particle detectors
US-2024109805-A1 · Apr 4, 2024 · US
Glass production method
US-2023406748-A1 · Dec 21, 2023 · US
Glass production method
US-2023373839-A1 · Nov 23, 2023 · US
Melt flow rate adjustment system and method of multi-component radial functional-gradient-material equipment
US-11752543-B2 · Sep 12, 2023 · US
Impurity Removal Method of Silicate Solid Waste and Its Application
US-2023211392-A1 · Jul 6, 2023 · US
Method and apparatus for melting and refining glass, glass ceramic, and glass ceramifiable to glass ceramic
US-2023021281-A1 · Jan 19, 2023 · US
Melt Flow Rate Adjustment System and Method of Multi-Component Radial Functional-Gradient-Material Equipment
US-2022362839-A1 · Nov 17, 2022 · US
Cold crucible comprising metal oxide barrier and method for manufacturing same
US-11391516-B2 · Jul 19, 2022 · US
Additive manufacturing systems and method for making glass articles
US-2021101818-A1 · Apr 8, 2021 · US
Ion-conducting glass ceramic having garnet-like crystal structure
US-10899648-B2 · Jan 26, 2021 · US
Glass manufacturing apparatus and related processes
US-10730779-B2 · Aug 4, 2020 · US
Ion-conducting glass ceramic having garnet-like crystal structure
US-2020144660-A1 · May 7, 2020 · US
Ion-conducting glass ceramic having garnet-like crystal structure
US-10483585-B2 · Nov 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C03B5/021?
- CPC C03B5/021 is the Cooperative Patent Classification code for “by induction heating.”
- How many patents are filed under CPC C03B5/021 (by induction heating)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC C03B5/021 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).