C01B 32/366
By physical processes
Official title: by physical processes, e.g. by irradiation, by using electric current passing through carbonaceous feedstock or by using recyclable inert heating bodies
C01B32/366 (By physical processes) appears on 69 US grants and 62 published applications in this corpus.
Search patents in C01B- Granted patents
- 69
- Published applications
- 62
- Assignees
- 59
- Inventors
- 151
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 4 |
| 2011 | 1 | 4 |
| 2012 | 2 | 0 |
| 2013 | 6 | 5 |
| 2014 | 1 | 5 |
| 2015 | 4 | 4 |
| 2016 | 3 | 12 |
| 2017 | 3 | 8 |
| 2018 | 9 | 5 |
| 2019 | 6 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 2 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and device for regenerating granular activated carbon by arc initiation and discharge11 Nov 2025US 12,466,736 B2Zhejiang Qizheng Environmental Protection Technology Co. Ltd
- Highly mesoporous activated carbon13 May 2025US 12,296,316 B2Carbon Technology Holdings, LLC
- Vertically oriented plasma reactor30 Jul 2024US 12,048,910 B2Board of Trustees of Michigan State University
- Method for producing activated carbon and activated carbon obtained in this way and use thereof23 May 2023US 11,655,155 B2Blücher GmbH
- Highly mesoporous activated carbon4 Oct 2022US 11,458,452 B2Carbon Technology Holdings, LLC
- Method for recovering and regenerating activated carbon17 Sep 2026US 2026/0274682 A1Kuraray Co., Ltd.
- Highly mesoporous activated carbon14 Aug 2025US 2025/0256260 A1Carbon Technology Holdings, LLC
- Carbon processing for energy storage systems8 May 2025US 2025/0145471 A1CapyBara Energy, LLC
- Method for preparing activated carbon6 Mar 2025US 2025/0074776 A1National Health Research Institutes
- Spent coffee ground biochar, related methods of making, environmental remediation systems, and methods of removing contaminants from solution11 Jul 2024US 2024/0228327 A1University of Washington
Most cited
By later US patents
- Enhancing biochar performance using pyrolysis acid stream72US 9,527,780 B2Cool Planet Energy Systems, Inc. · 2016
- Method for producing negative carbon fuel49US 8,430,937 B2Cool Planet Biofuels, Inc. · 2013
- Method for producing negative carbon fuel48US 8,568,493 B2Cool Planet Energy Systems, Inc. · 2013
- Anchored catalyst system and method of making and using thereof34US 6,342,191 B12002
- Adsorbent and/or catalyst and binder system and method of making therefor30US 5,948,726 AProject Earth Industries, Inc. · 1999