C01B 32/172
Sorting
C01B32/172 (Sorting) appears on 163 US grants and 209 published applications in this corpus.
Search patents in C01B- Granted patents
- 163
- Published applications
- 209
- Assignees
- 113
- Inventors
- 367
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 4 |
| 2004 | 0 | 5 |
| 2005 | 3 | 5 |
| 2006 | 3 | 11 |
| 2007 | 2 | 4 |
| 2008 | 5 | 11 |
| 2009 | 4 | 11 |
| 2010 | 7 | 15 |
| 2011 | 5 | 11 |
| 2012 | 11 | 12 |
| 2013 | 12 | 16 |
| 2014 | 9 | 7 |
| 2015 | 11 | 6 |
| 2016 | 12 | 9 |
| 2017 | 2 | 7 |
| 2018 | 8 | 13 |
| 2019 | 8 | 5 |
| 2020 | 8 | 20 |
| 2021 | 8 | 8 |
| 2022 | 10 | 12 |
| 2023 | 9 | 5 |
| 2024 | 9 | 8 |
| 2025 | 7 | 2 |
| 2026 | 7 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Self-assembling rod-coil copolymers for carbon nanotube sorting and the fabrication of carbon nanotube films22 Sep 2026US 12,741,872 B2Wisconsin Alumni Research Foundation
- Method for preparing porous carbon material, and sulfur-carbon composite and lithium-sulfur battery including the same17 Mar 2026US 12,580,193 B2LG Energy Solution, Ltd.
- Methods for dry printing carbon nanotube membranes17 Feb 2026US 12,557,609 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Carbon nanotube collection apparatus, carbon nanotube manufacturing apparatus, and carbon nanotube collection method3 Feb 2026US 12,540,421 B2Dowa Thermotech Co., Ltd.
- Method for separating carbon nanotubes using modified cellulose27 Jan 2026US 12,534,370 B2Yazaki Corporation
- Methods for dry printing carbon nanotube membranes4 Jun 2026US 2026/0157155 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Carbon nanotube collection apparatus, carbon nanotube manufacturing apparatus, and carbon nanotube collection method12 Feb 2026US 2026/0042671 A1Dowa Thermotech Co., Ltd.
- Method and apparatus for synthesizing two-dimensional materials19 Jun 2025US 2025/0201799 A1
- Length-selective dielectrophoretic manipulation of single-walled carbon nanotubes30 Jan 2025US 2025/0033971 A1Arizona Board of Regents on behalf of Arizona State University
- Method for separating semiconducting carbon nanotubes, and mixed solution, and dispersion of semiconducting carbon nanotubes31 Oct 2024US 2024/0359984 A1Nagase Viita Co., Ltd.
Most cited
By later US patents
- Process of isolating carbon nanotubes from a mixture containing carbon nanotubes and graphite particles111US 5,560,898 ADirector-General of Agency of Industrial Science and Technology · 1996
- Method for separating single-wall carbon nanotubes and compositions thereof76US 7,074,310 B2William Marsh Rice University · 2006
- Process for the separation of carbon nanotubes from graphite46US 5,695,734 ADirector-General of Agency of Industrial Science and Technology · 1997
- Spheroidal aggregates comprising single-wall carbon nanotubes and method for making the same42US 7,135,160 B2Carbon NanoTechnologies, Inc. · 2006
- Selective functionalization of carbon nanotubes36US 7,572,426 B2William Marsh Rice University · 2009