Carbon nanotube manufacturing method
US-9527737-B2 · Dec 27, 2016 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C01B31/0226 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 156 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 42 |
| 2016 | 46 |
| 2017 | 51 |
| 2018 | 16 |
| 2019 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for making marco-scale carbon nanotube tube structure
US-9523162-B2 · Dec 20, 2016 · US
Production method and production device of nanocarbon
US-9511338-B2 · Dec 6, 2016 · US
Carbon nanotube foams with controllable mechanical properties
US-9499903-B2 · Nov 22, 2016 · US
Device for producing nanocarbon
US-9463429-B2 · Oct 11, 2016 · US
Carbon nanotubes and production method thereof
US-9463981-B2 · Oct 11, 2016 · US
Graphene-carbon nanotube hybrid materials and use as electrodes
US-9455094-B2 · Sep 27, 2016 · US
High purity carbon nanotube, process for preparing the same and transparent conductive film using the same
US-9440855-B2 · Sep 13, 2016 · US
Method and apparatus for producing carbon nanotubes
US-9428391-B2 · Aug 30, 2016 · US
Continuous, floating evaporative assembly of aligned carbon nanotubes
US-9425405-B1 · Aug 23, 2016 · US
Continuous, floating evaporative assembly of aligned carbon nanotubes
US-2016233426-A1 · Aug 11, 2016 · US
Apparatus for producing aligned carbon nanotube aggregates
US-2016207771-A1 · Jul 21, 2016 · US
Method for manufacturing carbon nanotubes
US-9394625-B2 · Jul 19, 2016 · US
Device for making carbon nanotube film
US-9339807-B2 · May 17, 2016 · US
Method for increasing density of aligned carbon nanotubes
US-9340428-B2 · May 17, 2016 · US
Catalyst free synthesis of vertically aligned CNTs on SiNW arrays
US-9305777-B2 · Apr 5, 2016 · US
Graphene-carbon nanotube nanostructure and method of manufacturing same
US-9249022-B2 · Feb 2, 2016 · US
Method for making carbon fiber film
US-2016023903-A1 · Jan 28, 2016 · US
Hierarchical carbon nano and micro structures
US-9221684-B2 · Dec 29, 2015 · US
Preparation of nitrogen-doped carbon tubes
US-9216900-B2 · Dec 22, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B31/0226?
- CPC C01B31/0226 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01B31/0226 (Chemistry & Metallurgy)?
- Our database includes 156 publications tagged with this CPC code.
- Is patent activity under CPC C01B31/0226 growing?
- Publication counts under this code: 16 in 2018 vs 1 in 2019 (latest complete years).