Method for fusion of carbon nanostructures
US-2024199423-A1 · Jun 20, 2024 · US
Nanotubes
Nanotubes · 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 | C01P2004/13 |
| Official title | Nanotubes |
| Display label | Nanotubes |
| Total patents | 355 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 32 |
| 2016 | 28 |
| 2017 | 30 |
| 2018 | 24 |
| 2019 | 31 |
| 2020 | 32 |
| 2021 | 29 |
| 2022 | 36 |
| 2023 | 33 |
| 2024 | 42 |
| 2025 | 32 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalytic processes for obtaining inorganic nanostructures by using soft metals
US-9527735-B2 · Dec 27, 2016 · US
Nanostructures, their use and process for their production
US-9496067-B2 · Nov 15, 2016 · US
Production method for the boron nitride nanotubes
US-9487402-B2 · Nov 8, 2016 · US
Nanoplate-nanotube composites, methods for production thereof and products obtained therefrom
US-9475921-B2 · Oct 25, 2016 · US
Hybrid carbon nanotube and graphene nanostructures
US-2016293956-A1 · Oct 6, 2016 · US
Carbon nanofiber dispersion liquid, coating composition, and paste composition
US-9455061-B2 · Sep 27, 2016 · US
Metal-oxide anchored graphene and carbon-nanotube hybrid foam
US-2016268061-A1 · Sep 15, 2016 · US
Carbon nanostructure preblends and their applications
US-2016251534-A1 · Sep 1, 2016 · US
Gas-phase functionalization of surfaces of microelectronic structures
US-9425406-B2 · Aug 23, 2016 · US
Titanium oxide structure and porous titanium oxide composition
US-9409790-B2 · Aug 9, 2016 · US
Elongated titanate nanotube, its synthesis method, and its use
US-2016207789-A1 · Jul 21, 2016 · US
Metal sulfide and rare-earth phosphate nanostructures and methods of making same
US-9377464-B2 · Jun 28, 2016 · US
Titanate and titania nanostructures and nanostructure assemblies, and methods of making same
US-9365432-B2 · Jun 14, 2016 · US
Coated fullerenes, composites and dielectrics made therefrom
US-2016163652-A1 · Jun 9, 2016 · US
Carbon nanotube sheet and production method for carbon nanotube sheet
US-2016145105-A1 · May 26, 2016 · US
A production method for the boron nitride nanotubes
US-2016145101-A1 · May 26, 2016 · US
Corrosion inhibiting pigment comprising nanoreservoirs of corrosion inhibitor
US-9340676-B2 · May 17, 2016 · US
Catalytic Decomposition of Lower Hydrocarbons to Produce Carbon Oxides Free Hydrogen and Bamboo Shaped Carbon Nanotubes
US-2016129424-A1 · May 12, 2016 · US
Composite material and method of manufacturing composite material
US-2016102302-A1 · Apr 14, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01P2004/13?
- CPC C01P2004/13 is the Cooperative Patent Classification code for “Nanotubes.”
- How many patents are filed under CPC C01P2004/13 (Nanotubes)?
- Our database includes 355 publications tagged with this CPC code.
- Is patent activity under CPC C01P2004/13 growing?
- Publication counts under this code: 42 in 2024 vs 32 in 2025 (latest complete years).