High purity iron-bearing materials and systems and methods of production thereof
US-2023339770-A1 · Oct 26, 2023 · US
Other processes for the manufacture of iron from iron compounds (by electrolysis C25C1/06)
Other processes for the manufacture of iron from iron compounds (by electrolysis C25C1/06) · 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 | C21B15/00 |
| Official title | Other processes for the manufacture of iron from iron compounds (by electrolysis C25C1/06) |
| Display label | Other processes for the manufacture of iron from iron compounds (by electrolysis C25C1/06) |
| Total patents | 73 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 20 |
| 2017 | 14 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Multivalent iron bio-inhibitor from waste bauxite residue to control reservoir souring
US-11535790-B2 · Dec 27, 2022 · US
Production of iron
US-11479829-B2 · Oct 25, 2022 · US
Method for preparing a cementing material using smelting industrial waste slag after utilizing the simultaneous removal of S02 and NOx in flue gas and application of the cementing material obtained by the same
US-11440842-B2 · Sep 13, 2022 · US
Electrolytic smelting system
US-2022243293-A1 · Aug 4, 2022 · US
Multivalent iron bio-inhibitor from waste bauxite residue to control reservoir souring
US-2022073808-A1 · Mar 10, 2022 · US
METHOD FOR PREPARING A CEMENTING MATERIAL USING SMELTING INDUSTRIAL WASTE SLAG AFTER UTILIZING THE SIMULTANEOUS REMOVAL OF SO2 AND NOx IN FLUE GAS AND APPLICATION OF THE CEMENTING MATERIAL OBTAINED BY THE SAME
US-2021331974-A1 · Oct 28, 2021 · US
Processing method for lithium ion battery scrap
US-10807879-B2 · Oct 20, 2020 · US
Integrated electrical power and chemical production using fuel cells
US-10676799-B2 · Jun 9, 2020 · US
Production of Iron
US-2019241990-A1 · Aug 8, 2019 · US
Preparation method of calcium carbonate with high purity from inorganic materials containing alkali metals or alkali earth metals
US-10322941-B2 · Jun 18, 2019 · US
Method for converting and separating vanadium, titanium, and iron from vanadium-titanium-iron concentrate in one step
US-10316392-B2 · Jun 11, 2019 · US
Processing method for lithium ion battery scrap
US-2019084839-A1 · Mar 21, 2019 · US
Process for recycling li-ion batteries
US-10164302-B2 · Dec 25, 2018 · US
Integration of molten carbonate fuel cells in iron and steel processing
US-10093997-B2 · Oct 9, 2018 · US
Processes for the selective separation of iron and aluminium
US-10087501-B2 · Oct 2, 2018 · US
Method for producing pellets and method for producing iron-nickel alloy
US-9970085-B2 · May 15, 2018 · US
Integrated power generation and carbon capture using fuel cells
US-9941534-B2 · Apr 10, 2018 · US
Green process for the preparation of pure iron
US-9879331-B2 · Jan 30, 2018 · US
Integrated power generation and chemical production using fuel cells
US-9786939-B2 · Oct 10, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C21B15/00?
- CPC C21B15/00 is the Cooperative Patent Classification code for “Other processes for the manufacture of iron from iron compounds (by electrolysis C25C1/06).”
- How many patents are filed under CPC C21B15/00 (Other processes for the manufacture of iron from iron compounds (by electrolysis C25C1/06))?
- Our database includes 73 publications tagged with this CPC code.
- Is patent activity under CPC C21B15/00 growing?
- Publication counts under this code: 2 in 2024 vs 6 in 2025 (latest complete years).