MXene-based voice coils and active acoustic devices
US-11470424-B2 · Oct 11, 2022 · US
Tungsten or molybdenum carbides
Tungsten or molybdenum carbides · 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 | C01B32/949 |
| Official title | Tungsten or molybdenum carbides |
| Display label | Tungsten or molybdenum carbides |
| Total patents | 91 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 8 |
| 2017 | 6 |
| 2018 | 5 |
| 2019 | 10 |
| 2020 | 10 |
| 2021 | 4 |
| 2022 | 14 |
| 2023 | 11 |
| 2024 | 6 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Physical Forms of MXene Materials Exhibiting Novel Electrical And Optical Characteristics
US-2022181507-A1 · Jun 9, 2022 · US
Tungsten carbide powder
US-11339096-B1 · May 24, 2022 · US
Tungsten carbide powder
US-11312632-B2 · Apr 26, 2022 · US
Physical forms of MXene materials exhibiting novel electrical and optical characteristics
US-11296243-B2 · Apr 5, 2022 · US
Powder containing tungsten carbide
US-11293082-B2 · Apr 5, 2022 · US
Tungsten carbide powder and production method therefor
US-2022089447-A1 · Mar 24, 2022 · US
Metal carbides and methods of making the same
US-2021309525-A1 · Oct 7, 2021 · US
Mxene-based voice coils and active acoustic devices
US-2021250693-A1 · Aug 12, 2021 · US
Manufacture of tungsten monocarbide (WC) spherical powder
US-11072533-B2 · Jul 27, 2021 · US
Method for producing metal nitrides and metal carbides
US-10974962-B2 · Apr 13, 2021 · US
Polycrystalline silicon fragments and process for comminuting polycrystalline silicon rods
US-10876221-B2 · Dec 29, 2020 · US
Powder containing tungsten carbide
US-2020392606-A1 · Dec 17, 2020 · US
Tungsten Carbide Powder
US-2020346935-A1 · Nov 5, 2020 · US
Diamond-coated cemented carbide cutting tool
US-10745802-B2 · Aug 18, 2020 · US
Selenium-doped mxene composite nano-material, and preparation method and use thereof
US-2020223702-A1 · Jul 16, 2020 · US
Physical Forms of MXene Materials Exhibiting Novel Electrical and Optical Characteristics
US-2020176619-A1 · Jun 4, 2020 · US
Surface-coated cutting tool
US-2020171581-A1 · Jun 4, 2020 · US
Process for manufacturing a metal carbide, nitride, boride, or silicide in powder form
US-10611638-B2 · Apr 7, 2020 · US
Physical forms of MXene materials exhibiting novel electrical and optical characteristics
US-10573768-B2 · Feb 25, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B32/949?
- CPC C01B32/949 is the Cooperative Patent Classification code for “Tungsten or molybdenum carbides.”
- How many patents are filed under CPC C01B32/949 (Tungsten or molybdenum carbides)?
- Our database includes 91 publications tagged with this CPC code.
- Is patent activity under CPC C01B32/949 growing?
- Publication counts under this code: 6 in 2024 vs 6 in 2025 (latest complete years).