Fabrication and application of nanofiber ribbons and sheets and twisted and non-twisted nanofiber yarns
US-2017137290-A1 · May 18, 2017 · US
Nanoonions; Nanoscrolls; Nanohorns; Nanocones; Nanowalls
Nanoonions; Nanoscrolls; Nanohorns; Nanocones; Nanowalls · 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 | C01B32/18 |
| Official title | Nanoonions; Nanoscrolls; Nanohorns; Nanocones; Nanowalls |
| Display label | Nanoonions; Nanoscrolls; Nanohorns; Nanocones; Nanowalls |
| Total patents | 267 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 19 |
| 2016 | 36 |
| 2017 | 29 |
| 2018 | 19 |
| 2019 | 24 |
| 2020 | 29 |
| 2021 | 21 |
| 2022 | 28 |
| 2023 | 31 |
| 2024 | 18 |
| 2025 | 13 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fabrication of nanofiber ribbons and sheets
US-9605363-B2 · Mar 28, 2017 · US
Method of preparing doped and/or composite carbon fibers
US-2017081786-A1 · Mar 23, 2017 · US
Carbon nanotube composite structural body and pressure-sensitive adhesive member
US-9550677-B2 · Jan 24, 2017 · US
Systems and methods for growth of nanostructures on substrates, including substrates comprising fibers
US-9540243-B2 · Jan 10, 2017 · US
Carbon materials comprising enhanced electrochemical properties
US-2016372750-A1 · Dec 22, 2016 · US
Method for Manufacturing a Nanocarbon Material
US-2016362301-A1 · Dec 15, 2016 · US
Scroll composite having amphiphilic substance inside and method for preparation of the same
US-2016355401-A1 · Dec 8, 2016 · US
Production method and production device of nanocarbon
US-9511338-B2 · Dec 6, 2016 · US
Nanofiber ribbons and sheets and fabrication and application thereof
US-9512545-B2 · Dec 6, 2016 · US
Secondary structure of carbon nanostructure, bundle thereof and composite comprising same
US-9512006-B2 · Dec 6, 2016 · US
Carbon nanofibers encapsulating metal cobalt, and production method therefor
US-9505622-B2 · Nov 29, 2016 · US
Solvent-based methods for production of graphene nanoribbons
US-9493355-B2 · Nov 15, 2016 · US
Noncovalent bond-modified carbon structure, and carbon structure/polymer composite comprising same
US-2016326393-A1 · Nov 10, 2016 · US
Tube shaped carbon structure and manufacturing method thereof
US-2016318826-A1 · Nov 3, 2016 · US
Fabrication and application of nanofiber ribbons and sheets and twisted and non-twisted nanofiber yarns
US-9481949-B2 · Nov 1, 2016 · US
Method of preparing hollow metal or metal oxide nano- or microspheres
US-2016311132-A1 · Oct 27, 2016 · US
Fabrication and application of nanofiber ribbons and sheets and twisted and non-twisted nanofiber yarns
US-2016312387-A1 · Oct 27, 2016 · US
Device for producing nanocarbon
US-9463429-B2 · Oct 11, 2016 · US
Composite material and method for producing same
US-9458295-B2 · Oct 4, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B32/18?
- CPC C01B32/18 is the Cooperative Patent Classification code for “Nanoonions; Nanoscrolls; Nanohorns; Nanocones; Nanowalls.”
- How many patents are filed under CPC C01B32/18 (Nanoonions; Nanoscrolls; Nanohorns; Nanocones; Nanowalls)?
- Our database includes 267 publications tagged with this CPC code.
- Is patent activity under CPC C01B32/18 growing?
- Publication counts under this code: 18 in 2024 vs 13 in 2025 (latest complete years).