C01B 32/178
Opening
Official title: Opening; Filling
C01B32/178 (Opening) appears on 46 US grants and 62 published applications in this corpus.
Search patents in C01B- Granted patents
- 46
- Published applications
- 62
- Assignees
- 47
- Inventors
- 154
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 2 |
| 2011 | 3 | 4 |
| 2012 | 3 | 5 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 0 | 2 |
| 2016 | 1 | 3 |
| 2017 | 2 | 6 |
| 2018 | 2 | 6 |
| 2019 | 6 | 7 |
| 2020 | 6 | 7 |
| 2021 | 3 | 3 |
| 2022 | 2 | 3 |
| 2023 | 4 | 2 |
| 2024 | 5 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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.
- Infiltrated carbon nanotubes2 Dec 2025US 12,486,569 B2Tula Health, Inc.
- Copper-filled carbon nanotubes and synthesis methods thereof26 Nov 2024US 12,151,938 B2The Florida International University Board of Trustees
- Carbon material and method for producing carbon material17 Sep 2024US 12,090,448 B2Shinshu University
- Sulfur-carbon composite and manufacturing method therefor13 Aug 2024US 12,062,778 B2LG Energy Solution, Ltd.
- Process for making carbon nanotubes with oriented fullerene crystals24 Sep 2026US 2026/0285686 A1Government of the United States as Represented by the Secretary of the Air Force
- Positive electrode and lithium-sulfur battery comprising the same30 May 2024US 2024/0178388 A1LG Energy Solution, Ltd.
- Method for preparing porous carbon material, and sulfur-carbon composite and lithium-sulfur battery including the same30 May 2024US 2024/0178390 A1LG Energy Solution, Ltd.
- Infiltrated carbon nanotubes21 Dec 2023US 2023/0407462 A1Brigham Young University
- Metal sulfide filled carbon nanotubes and synthesis methods thereof29 Jun 2023US 2023/0203712 A1The Florida International University Board of Trustees
Most cited
By later US patents
- Controlled synthesis and metal-filling of aligned carbon nanotubes154US 6,129,901 A2000
- Carbon nanotubule enclosing a foreign material93US 5,457,343 ANEC Corporation · 1995
- Single-walled carbon nanotube and aligned single-walled carbon nanotube bulk structure, and their production process, production apparatus and application use81US 7,854,991 B2National Institute of Advanced Industrial Science and Technology · 2010
- Method of opening and filling carbon nanotubes50US 6,090,363 AIsis Innovation Limited · 2000
- Single-walled carbon nanotube and aligned single-walled carbon nanotube bulk structure, and their production process, production apparatus and application use29US 8,114,518 B2National Institute of Advanced Industrial Science and Technology · 2012