C01B 32/348
Metallic compounds
C01B32/348 (Metallic compounds) appears on 103 US grants and 125 published applications in this corpus.
Search patents in C01B- Granted patents
- 103
- Published applications
- 125
- Assignees
- 118
- Inventors
- 401
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 2 | 3 |
| 2010 | 3 | 5 |
| 2011 | 2 | 3 |
| 2012 | 3 | 1 |
| 2013 | 2 | 2 |
| 2014 | 2 | 3 |
| 2015 | 3 | 6 |
| 2016 | 2 | 6 |
| 2017 | 5 | 8 |
| 2018 | 4 | 6 |
| 2019 | 5 | 7 |
| 2020 | 6 | 9 |
| 2021 | 5 | 6 |
| 2022 | 4 | 3 |
| 2023 | 6 | 12 |
| 2024 | 7 | 9 |
| 2025 | 6 | 10 |
| 2026 | 4 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Activated carbon production and methods therefor22 Sep 2026US 12,741,875 B2Atlas Power Technologies Inc.
- Method of producing a battery anode active material comprising a porous host structure and silicon residing in the host pores14 Jul 2026US 12,683,152 B1Honeycomb Battery Company
- Method of synthesizing porous composite including single atom metal catalysts and nitrogen atoms in hierarchical carbon material from carbon dioxide containing gas23 Jun 2026US 12,665,196 B2Korea Advanced Institute of Science and Technology
- Activated carbon and method of fabrication thereof26 May 2026US 12,636,631 B2National University of Singapore
- Method for hydrolyzing cellulose into sugar to produce spherical capacitive carbon25 Nov 2025US 12,479,732 B2Guangxi Academy of Sciences
- Method and system for producing activated carbon24 Sep 2026US 2026/0285688 A1Valmet Corporation
- Porous carbon material and preparation method thereof, and silicon-carbon material and application thereof24 Sep 2026US 2026/0290824 A1Ningde Amperex Technology Limited
- Graphene and methods of making graphene17 Sep 2026US 2026/0274675 A1
- Porous carbon material and preparation method thereof, silicon-carbon material, and applications thereof17 Sep 2026US 2026/0279806 A1Ningde Amperex Technology Limited
- Staged pyrolysis-catalytic gasification process systems for hydrogen production from biomass waste20 Aug 2026US 2026/0242679 A1Changzhou University
Most cited
By later US patents
- Production of highly microporous activated carbon products149US 5,416,056 AWestvaco Corporation · 1995
- Highly microporous carbon125US 5,710,092 AWestvaco Corporation · 1998
- Highly microporous carbons and process of manufacture111US 5,965,483 AWestvaco Corporation · 1999
- Carbonaceous material, polarizable electrode for electrical double-layer capacitor, and electrical double-layer capacitor90US 6,574,092 B2Itochu Corporation · 2003
- Low pressure methane storage with highly microporous carbons84US 5,626,637 AWestvaco Corporation · 1997