Fire protection composite made of a liquid applied coating and a mat or fleece for an electric vehicle battery
US-2025347039-A1 · Nov 13, 2025 · US
Ferrous oxide (FeO)
Ferrous oxide (FeO) · 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 | C08K2003/2268 |
| Official title | {Ferrous oxide (FeO)} |
| Display label | Ferrous oxide (FeO) |
| Total patents | 42 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 6 |
| 2019 | 3 |
| 2020 | 8 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluoropolymer adhesives and methods thereof
US-12275820-B2 · Apr 15, 2025 · US
Two-part, room temperature curable heat and fire retardant composition
US-2025011603-A1 · Jan 9, 2025 · US
Film with low heat conductivity, reduced density and low solar absorption
US-2024110034-A1 · Apr 4, 2024 · US
Wireless charging apparatus and transportation means comprising same
US-2023365006-A1 · Nov 16, 2023 · US
Corrosion protecting layer system, corrosion protected bearing component and method for protecting a bearing component against corrosion
US-11713398-B2 · Aug 1, 2023 · US
Fluoropolymer adhesives and methods thereof
US-2023002557-A1 · Jan 5, 2023 · US
Composition for 3D printing
US-11472971-B2 · Oct 18, 2022 · US
Maleimide resin film and composition for maleimide resin film
US-2022267526-A1 · Aug 25, 2022 · US
Fluoropolymer adhesives and methods thereof
US-11421080-B2 · Aug 23, 2022 · US
Inkjet inks
US-11390764-B2 · Jul 19, 2022 · US
E-iron oxide type ferromagnetic powder, method for manufacturing same, and composition containing e-iron oxide type ferromagnetic powder
US-11367548-B2 · Jun 21, 2022 · US
Electrospun nanofiber composites for water treatment applications
US-11136453-B2 · Oct 5, 2021 · US
Maleimide resin film and composition for maleimide resin film
US-2021061955-A1 · Mar 4, 2021 · US
Electrospun nanofiber composites for water treatment applications
US-2020317903-A1 · Oct 8, 2020 · US
Organism adhesion reduction paint, method for manufacturing the same, and organism adhesion reduction coating
US-10759910-B2 · Sep 1, 2020 · US
Fluoropolymer adhesives and methods thereof
US-2020199299-A1 · Jun 25, 2020 · US
Nanoparticle-polymer fluorescent composite and method of preparing the same
US-10689510-B2 · Jun 23, 2020 · US
Cellulose nanofiber-supporting inorganic powder and production method thereof
US-2020140659-A1 · May 7, 2020 · US
Inkjet inks
US-2020123400-A1 · Apr 23, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08K2003/2268?
- CPC C08K2003/2268 is the Cooperative Patent Classification code for “Ferrous oxide (FeO).”
- How many patents are filed under CPC C08K2003/2268 (Ferrous oxide (FeO))?
- Our database includes 42 publications tagged with this CPC code.
- Is patent activity under CPC C08K2003/2268 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).