B01D 2255/20746
Cobalt
B01D2255/20746 (Cobalt) appears on 472 US grants and 587 published applications in this corpus.
Search patents in B01D- Granted patents
- 472
- Published applications
- 587
- Assignees
- 310
- Inventors
- 1,447
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 10 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 10 | 0 |
| 1999 | 11 | 0 |
| 2000 | 11 | 0 |
| 2001 | 10 | 4 |
| 2002 | 10 | 6 |
| 2003 | 7 | 12 |
| 2004 | 8 | 12 |
| 2005 | 4 | 6 |
| 2006 | 4 | 10 |
| 2007 | 2 | 6 |
| 2008 | 2 | 15 |
| 2009 | 5 | 28 |
| 2010 | 18 | 37 |
| 2011 | 13 | 32 |
| 2012 | 15 | 24 |
| 2013 | 32 | 32 |
| 2014 | 18 | 38 |
| 2015 | 24 | 39 |
| 2016 | 25 | 32 |
| 2017 | 28 | 31 |
| 2018 | 21 | 33 |
| 2019 | 29 | 25 |
| 2020 | 32 | 38 |
| 2021 | 17 | 21 |
| 2022 | 15 | 19 |
| 2023 | 26 | 20 |
| 2024 | 15 | 24 |
| 2025 | 18 | 20 |
| 2026 | 8 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Complex oxides for reactive oxygen separation and related applications6 Oct 2026US 12,752,260 B2North Carolina State University
- Gas treatment system, semiconductor process system including the same, and gas treatment method using the same26 May 2026US 12,636,612 B2Samsung Electronics Co., Ltd.
- Propane gas removal material12 May 2026US 12,623,186 B2Robert Bosch GmbH
- Method for manufacturing catalyst for capture and conversion of carbon dioxide10 Mar 2026US 12,569,836 B2Lowcarbon Co., Ltd.
- Adsorbent, its preparation and use3 Feb 2026US 12,539,502 B2City University of Hong Kong
- Method for capturing co2 and use of a metal-based surface for capturing co227 Aug 2026US 2026/0249243 A1Institut National De La Recherche Scientifique
- Catalyst composition, exhaust gas treatment method using the same, and exhaust gas treatment system including the same13 Aug 2026US 2026/0233206 A1Gwangju Institute of Science and Technology
- Tail gas treatment by two stage adsorption with intermediate cooling30 Jul 2026US 2026/0216647 A1Saudi Arabian Oil Company
- Reducing the content of nox and n2o in the offgas from firing plants operated with nh3 for catalytic decomposition of nh330 Jul 2026US 2026/0216648 A1
- Reduction of nox and n2o in the exhaust gas of ship motors operated using nh330 Jul 2026US 2026/0216649 A1
Most cited
By later US patents
- NOx decreasing apparatus for an internal combustion engine153US 5,412,946 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1995
- Thermally insulative smoking article filter components111US 7,878,209 B2Philip Morris USA Inc. · 2011
- Catalytic process for reducing nitrogen oxides to nitrogen110US 4,085,193 ABabcock-Hitachi Kabushiki Kaisha · 1978
- Thermally insulative smoking article filter components107US 8,066,010 B2Philip Morris USA Inc. · 2011
- Catalytic reduction of nitrogen oxides in methane-fueled engine exhaust by controlled methane injections69US 5,524,432 AAir Products and Chemicals, Inc. · 1996