B01D 71/0212
Carbon nanotubes
Official title: {Carbon nanotubes}
B01D71/0212 (Carbon nanotubes) appears on 143 US grants and 245 published applications in this corpus.
Search patents in B01D- Granted patents
- 143
- Published applications
- 245
- Assignees
- 148
- Inventors
- 539
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 2 |
| 2003 | 3 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 4 |
| 2006 | 2 | 9 |
| 2007 | 2 | 4 |
| 2008 | 3 | 3 |
| 2009 | 3 | 5 |
| 2010 | 2 | 5 |
| 2011 | 3 | 9 |
| 2012 | 3 | 8 |
| 2013 | 6 | 7 |
| 2014 | 3 | 14 |
| 2015 | 9 | 13 |
| 2016 | 6 | 9 |
| 2017 | 3 | 17 |
| 2018 | 10 | 18 |
| 2019 | 11 | 10 |
| 2020 | 13 | 14 |
| 2021 | 10 | 15 |
| 2022 | 6 | 16 |
| 2023 | 7 | 16 |
| 2024 | 21 | 22 |
| 2025 | 11 | 12 |
| 2026 | 6 | 11 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing a separation membrane based on a polar carbon nanotube dispersion and a polar one-dimensional carbon body28 Jul 2026US 12,691,418 B2Industry-Academic Cooperation Foundation, Yonsei University
- Membrane comprising biopolymers and carbon nanomaterials for removing heavy metals in polluted waters2 Jun 2026US 12,643,088 B2Universidad TéCnica Federico Santa MaríA
- Desalination and/or purification device, desalination and/or purification carbon membrane, and method of desalinating and/or purifying a liquid12 May 2026US 12,623,924 B2King Abdullah University of Science and Technology
- Laundry appliance having a micro-particle filtration and collection system10 Mar 2026US 12,571,154 B2Whirlpool Corporation
- Carbon film17 Feb 2026US 12,552,670 B2Zeon Corporation
- Water filtration assembly having a polymer hydrogel filtration media structure24 Sep 2026US 2026/0284604 A1Haier US Appliance Solutions, Inc.
- Organic solvent regenerator, substrate processing system, and method of regenerating organic solvent27 Aug 2026US 2026/0250222 A1SCREEN Holdings Co., Ltd.
- Nanofiltration membrane based on carbon nanotube fibers and method for fabricating the same30 Jul 2026US 2026/0216657 A1Institute of Physics, Chinese Academy of Sciences
- Polymer composite thin film, gas separation body provided with polymer composite thin film, gas separation device provided with polymer composite thin film, and manufacturing method for polymer composite thin film30 Jul 2026US 2026/0216663 A1NanoMembrane Technologies, Inc.
- Membranes for co2 capture2 Jul 2026US 2026/0183702 A1
Most cited
By later US patents
- Purification of fluids with nanomaterials104US 7,211,320 B1Seldon Technologies, LLC · 2007
- Nanomesh article and method of using the same for purifying fluids88US 7,419,601 B2Seldon Technologies, LLC · 2008
- Method for continuous fabrication of carbon nanotube networks or membrane materials84US 7,459,121 B2The Florida State University Research Foundation, Inc. · 2008
- Method and apparatus for nanoparticle transport and detection57US 7,077,939 B1The Texas A&M University System · 2006
- Gas separations using mixed matrix membranes47US 6,503,295 B1Chevron U.S.A.Inc. · 2003