C01B 32/18
Nanoonions
Official title: Nanoonions; Nanoscrolls; Nanohorns; Nanocones; Nanowalls
C01B32/18 (Nanoonions) appears on 273 US grants and 405 published applications in this corpus.
Search patents in C01B- Granted patents
- 273
- Published applications
- 405
- Assignees
- 220
- Inventors
- 721
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 5 |
| 2003 | 0 | 9 |
| 2004 | 4 | 7 |
| 2005 | 4 | 12 |
| 2006 | 4 | 23 |
| 2007 | 6 | 12 |
| 2008 | 3 | 24 |
| 2009 | 10 | 26 |
| 2010 | 19 | 24 |
| 2011 | 20 | 18 |
| 2012 | 12 | 13 |
| 2013 | 9 | 12 |
| 2014 | 11 | 24 |
| 2015 | 16 | 20 |
| 2016 | 18 | 16 |
| 2017 | 17 | 22 |
| 2018 | 13 | 10 |
| 2019 | 14 | 11 |
| 2020 | 10 | 22 |
| 2021 | 9 | 17 |
| 2022 | 15 | 13 |
| 2023 | 19 | 31 |
| 2024 | 16 | 9 |
| 2025 | 14 | 20 |
| 2026 | 9 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Laser-induced carbon nanostructures28 Jul 2026US 12,692,160 B2Integrated Graphene Holding Limited
- Silicon dioxide doped carbon-based nanomaterial and methods of forming the same9 Jun 2026US 12,649,663 B2Nabors Energy Transition Solutions LLC
- Laser-induced carbon nanostructures2 Jun 2026US 12,643,791 B2Integrated Graphene Holding Limited
- Laser-induced carbon nanostructures26 May 2026US 12,637,354 B2Integrated Graphene Holding Limited
- Laser-induced carbon nanostructures21 Apr 2026US 12,606,439 B2Integrated Graphene Holding Limited
- Graphene-containing composite structure and manufacturing method of same30 Jul 2026US 2026/0217536 A1National Institute of Technology
- Method of forming polyaniline/carbon composite23 Jul 2026US 2026/0209046 A1Atomiq Inc
- Laser-induced carbon nanostructures2 Jul 2026US 2026/0184570 A1
- Methods And Systems For Processing And Recycling Of Carbonaceous Materials21 May 2026US 2026/0138875 A1Nanotech Energy, Inc.
- Laser-induced carbon nanostructures30 Apr 2026US 2026/0116757 A1
Most cited
By later US patents
- Systems and methods for nanowire growth and harvesting127US 7,105,428 B2Nanosys, Inc. · 2006
- Chemical manufacture of nanostructured materials111US 6,872,330 B2The Regents of the University of California · 2005
- Fabrication of twisted and non-twisted nanofiber yarns56US 8,926,933 B2Board of Regents, The University of Texas System · 2015
- Carbon nanostructures encapsulating palladium49US 5,543,378 AE. I. Du Pont de Nemours and Company · 1996
- Catalyst-induced growth of carbon nanotubes on tips of cantilevers and nanowires44US 6,755,956 B2UT-Battelle, LLC · 2004