B01D 71/0211
Graphene or derivates thereof
Official title: {Graphene or derivates thereof}
B01D71/0211 (Graphene or derivates thereof) appears on 279 US grants and 480 published applications in this corpus.
Search patents in B01D- Granted patents
- 279
- Published applications
- 480
- Assignees
- 221
- Inventors
- 940
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 7 |
| 2013 | 2 | 15 |
| 2014 | 3 | 16 |
| 2015 | 7 | 25 |
| 2016 | 13 | 25 |
| 2017 | 15 | 43 |
| 2018 | 26 | 36 |
| 2019 | 22 | 43 |
| 2020 | 35 | 47 |
| 2021 | 34 | 43 |
| 2022 | 28 | 45 |
| 2023 | 17 | 41 |
| 2024 | 22 | 33 |
| 2025 | 36 | 31 |
| 2026 | 15 | 24 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Separation of alcohol using a membrane15 Sep 2026US 12,734,482 B2Altr Fltr Inc.
- Membrane assembly for gas separation, method for producing the membrane assembly and method of separating gases15 Sep 2026US 12,734,487 B2Université De Fribourg
- 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
- Filtration membrane and method of production thereof28 Jul 2026US 12,691,422 B2NewSouth Innovations Pty Limited
- All-carbon film based on activated carbon and preparation method and use thereof14 Jul 2026US 12,678,742 B2Zhejiang University
- Method and use of a graphene oxide membrane for removing at least a portion of one or more disinfectants from a liquid feed10 Sep 2026US 2026/0264026 A1NewSouth Innovations Pty Limited
- Membrane separation apparatus and engine exhaust apparatus20 Aug 2026US 2026/0241331 A1Hunan University
- Reverse electro-osmotic filtration exploiting nanofluidic transport through asymmetric membrane13 Aug 2026US 2026/0233166 A1
- Separation methods and systems13 Aug 2026US 2026/0233170 A1Altr Fltr Inc.
- Ultrafast water flux through hot-pressed solution blown spun nanofiber-based thin film composite membranes for forward osmosis23 Jul 2026US 2026/0208117 A1Qatar University
Most cited
By later US patents
- Perforated graphene deionization or desalination69US 8,361,321 B2Lockheed Martin Corporation · 2013
- Tunable layered membrane configuration for filtration and selective isolation and recovery devices33US 9,095,823 B2Lockheed Martin Corporation · 2015
- Graphene membrane with regular angstrom-scale pores28US 8,979,978 B2Empire Technology Development LLC · 2015
- Molecular separation device27US 9,028,663 B2Lockheed Martin Corporation · 2015
- Ultrathin, molecular-sieving graphene oxide membranes for separations along with their methods of formation and use23US 9,108,158 B2University of South Carolina · 2015