C01B 2202/04
Nanotubes with a specific amount of walls
C01B2202/04 (Nanotubes with a specific amount of walls) appears on 87 US grants and 142 published applications in this corpus.
Search patents in C01B- Granted patents
- 87
- Published applications
- 142
- Assignees
- 87
- Inventors
- 383
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 2 | 7 |
| 2007 | 0 | 12 |
| 2008 | 0 | 9 |
| 2009 | 6 | 14 |
| 2010 | 5 | 18 |
| 2011 | 10 | 16 |
| 2012 | 5 | 11 |
| 2013 | 10 | 4 |
| 2014 | 7 | 8 |
| 2015 | 8 | 3 |
| 2016 | 3 | 5 |
| 2017 | 3 | 5 |
| 2018 | 8 | 2 |
| 2019 | 2 | 5 |
| 2020 | 1 | 5 |
| 2021 | 1 | 4 |
| 2022 | 3 | 5 |
| 2023 | 5 | 3 |
| 2024 | 3 | 2 |
| 2025 | 3 | 1 |
| 2026 | 2 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Activated carbon and method for manufacturing the same28 Jul 2026US 12,692,165 B2LG Energy Solution, Ltd.
- Method for producing anode paste for lithium-ion battery24 Feb 2026US 12,562,371 B2MCD Technologies S.A R. L.
- Apparatus and method for manufacturing high-density in-line carbon nanotube thin film2 Sep 2025US 12,403,497 B2Beijing Hua Tan Yuan Xin Electronics Technology Co., Ltd
- Method for manufacturing high-density in-line carbon nanotube thin film20 May 2025US 12,303,930 B2Beijing Hua Tan Yuan Xin Electronics Technology Co., Ltd
- Anode electrode compositions for battery applications4 Mar 2025US 12,244,018 B2Cabot Corporation
- Chemical-free production of graphene-reinforced cement and concrete11 Sep 2025US 2025/0282624 A1Global Graphene Group, Inc.
- Facile direct amination and alkylamination of carbon nanotubes19 Dec 2024US 2024/0417367 A1Board of Regents, The University of Texas System
- Films of multiwall, few wall, and single wall carbon nanotube mixtures1 Feb 2024US 2024/0034629 A1Lintec of America, Inc.
- Activated carbon and method for manufacturing the same10 Aug 2023US 2023/0249977 A1LG Energy Solution, Ltd.
- Method for producing anode paste for lithium-ion battery3 Aug 2023US 2023/0246166 A1MCD Technologies S.A R. L.
Most cited
By later US patents
- Catalytic growth of single- and double-wall carbon nanotubes from metal particles79US 7,125,534 B1William Marsh Rice University · 2006
- Fibrous columnar structure aggregate and pressure-sensitive adhesive member using the aggregate46US 8,025,971 B2Nitto Denko Corporation · 2011
- Fabrication of carbon nanotube reinforced epoxy polymer composites using functionalized carbon nanotubes44US 7,601,421 B2William Marsh Rice University · 2009
- Ropes comprised of single-walled and double-walled carbon nanotubes42US 7,150,864 B1William Marsh Rice University · 2006
- Energy storage media for ultracapacitors42US 9,218,917 B2FastCAP Sysems Corporation · 2015