B01J 20/205
Carbon nanostructures
Official title: {Carbon nanostructures, e.g. nanotubes, nanohorns, nanocones, nanoballs (carbon nanotubes per se C01B32/15)}
B01J20/205 (Carbon nanostructures) appears on 253 US grants and 407 published applications in this corpus.
Search patents in B01J- Granted patents
- 253
- Published applications
- 407
- Assignees
- 245
- Inventors
- 964
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 6 |
| 2004 | 3 | 8 |
| 2005 | 1 | 8 |
| 2006 | 6 | 13 |
| 2007 | 4 | 8 |
| 2008 | 5 | 12 |
| 2009 | 1 | 15 |
| 2010 | 3 | 9 |
| 2011 | 9 | 16 |
| 2012 | 4 | 10 |
| 2013 | 8 | 14 |
| 2014 | 8 | 19 |
| 2015 | 10 | 21 |
| 2016 | 11 | 14 |
| 2017 | 17 | 30 |
| 2018 | 25 | 35 |
| 2019 | 22 | 24 |
| 2020 | 22 | 22 |
| 2021 | 18 | 30 |
| 2022 | 17 | 19 |
| 2023 | 17 | 22 |
| 2024 | 14 | 21 |
| 2025 | 19 | 17 |
| 2026 | 6 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Isolation and analysis of terpenes6 Oct 2026US 12,754,110 B2Orange Photonics, Inc.
- Modified multi-walled carbon nanotubes including multi-walled carbon nanotubes and carboxylate moieties and related methods21 Jul 2026US 12,686,616 B2King Fahd University of Petroleum and Minerals
- Method for producing semiconductor quantum dots30 Jun 2026US 12,668,740 B2The Trustees of Princeton University
- Membrane comprising biopolymers and carbon nanomaterials for removing heavy metals in polluted waters2 Jun 2026US 12,643,088 B2Universidad TéCnica Federico Santa MaríA
- Activated carbon and method of fabrication thereof26 May 2026US 12,636,631 B2National University of Singapore
- Amino acid based carbon dioxide capture catalyzed with three-dimensional graphene8 Oct 2026US 2026/0307044 A1University of Wyoming
- Photothermal polymeric aerogels for wastewater detoxification and water recycling8 Oct 2026US 2026/0308020 A1University of Kentucky Research Foundation
- Method for producing semiconductor quantum dots17 Sep 2026US 2026/0275188 A1The Trustees of Princeton University
- Process for separating nanoplastics from aqueous matrices by means of using carbon black particles16 Jul 2026US 2026/0200763 A1Universidad Autonoma De Madrid
- Porous carbon sorbent for carbon dioxide capture and methods of making and using same2 Jul 2026US 2026/0183740 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Rigid porous carbon structures, methods of making, methods of using and products containing same143US 6,099,965 AHyperion Catalysis International, Inc. · 2000
- Purification of fluids with nanomaterials104US 7,211,320 B1Seldon Technologies, LLC · 2007
- Adsorbent sheet material for parallel passage contactors94US 7,077,891 B2Air Products and Chemicals, Inc. · 2006
- Nanomesh article and method of using the same for purifying fluids88US 7,419,601 B2Seldon Technologies, LLC · 2008
- Carbon nanotube-containing catalysts, methods of making, and reactions catalyzed over nanotube catalysts69US 6,713,519 B2Battelle Memorial Institute · 2004