C01B 32/336
Characterised by gaseous activating agents
Official title: characterised by gaseous activating agents
C01B32/336 (Characterised by gaseous activating agents) appears on 359 US grants and 416 published applications in this corpus.
Search patents in C01B- Granted patents
- 359
- Published applications
- 416
- Assignees
- 294
- Inventors
- 959
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 1 | 0 |
| 1999 | 10 | 0 |
| 2000 | 1 | 0 |
| 2001 | 11 | 0 |
| 2002 | 4 | 5 |
| 2003 | 3 | 9 |
| 2004 | 4 | 6 |
| 2005 | 3 | 5 |
| 2006 | 5 | 9 |
| 2007 | 5 | 6 |
| 2008 | 1 | 9 |
| 2009 | 5 | 9 |
| 2010 | 6 | 12 |
| 2011 | 2 | 9 |
| 2012 | 9 | 11 |
| 2013 | 12 | 14 |
| 2014 | 8 | 15 |
| 2015 | 16 | 26 |
| 2016 | 10 | 25 |
| 2017 | 18 | 17 |
| 2018 | 16 | 14 |
| 2019 | 12 | 30 |
| 2020 | 15 | 26 |
| 2021 | 19 | 40 |
| 2022 | 20 | 26 |
| 2023 | 30 | 26 |
| 2024 | 23 | 25 |
| 2025 | 20 | 22 |
| 2026 | 12 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Activated carbon and method for manufacturing the same28 Jul 2026US 12,692,165 B2LG Energy Solution, Ltd.
- System and method for using ultramicroporous carbon for the selective removal of nitrate with capacitive deionization30 Jun 2026US 12,668,516 B2Lawrence Livermore National Security, LLC
- Biomass pyrolysis integrated with bio-reduction of metal ores, hydrogen production, and/or activated-carbon production9 Jun 2026US 12,649,959 B2Carbon Technology Holdings, LLC
- Functional material, an apparatus for purification of a fluid, an apparatus for a containing a liquid, a pulverized product and method of manufacturing same5 May 2026US 12,616,954 B2Sony Corporation
- Biogenic activated carbon and methods of making and using same28 Apr 2026US 12,611,649 B2Carbon Technology Holdings, LLC
- Sorbent materials for gas storage1 Oct 2026US 2026/0295557 A1Entegris, Inc.
- Dispersion, adsorbent material for pfas, environmental improvement method, powder for environmental improvement liquid, method for dispersing porous carbon material, porous carbon material, and filter10 Sep 2026US 2026/0264044 A1Sony Group Corporation
- Porous carbon support and cataylst for fuel cell27 Aug 2026US 2026/0253912 A1The Carbon Studio Inc.
- Porous material for hydrogen purification and method for producing same, and hydrogen purification apparatus20 Aug 2026US 2026/0241366 A1Osaka Gas Chemicals Co., Ltd.
- Carbon micro-plant20 Aug 2026US 2026/0241367 A1Carbon Technology Holdings, LLC
Most cited
By later US patents
- Biochar157US 8,361,186 B1Full Circle Biochar, Inc. · 2013
- Filter sheet material109US 4,510,193 A1985
- Process for the manufacture of activated carbon from coal by mild gasification and hydrogenation91US 5,187,141 A1993
- Carbonaceous material, its production process and electric double layer capacitor employing it90US 6,865,068 B1Asahi Glass Company, Limited · 2005
- Manufacturing methods for the production of carbon materials70US 8,293,818 B2EnerG2 Technologies, Inc. · 2012