B01D 2255/2065
Cerium
B01D2255/2065 (Cerium) appears on 847 US grants and 1,116 published applications in this corpus.
Search patents in B01D- Granted patents
- 847
- Published applications
- 1,116
- Assignees
- 328
- Inventors
- 2,159
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 13 | 0 |
| 2001 | 7 | 1 |
| 2002 | 5 | 7 |
| 2003 | 8 | 8 |
| 2004 | 7 | 6 |
| 2005 | 4 | 9 |
| 2006 | 5 | 5 |
| 2007 | 4 | 7 |
| 2008 | 4 | 9 |
| 2009 | 5 | 24 |
| 2010 | 12 | 19 |
| 2011 | 7 | 39 |
| 2012 | 9 | 50 |
| 2013 | 35 | 56 |
| 2014 | 43 | 72 |
| 2015 | 54 | 91 |
| 2016 | 54 | 76 |
| 2017 | 71 | 93 |
| 2018 | 55 | 96 |
| 2019 | 74 | 81 |
| 2020 | 66 | 70 |
| 2021 | 69 | 57 |
| 2022 | 53 | 72 |
| 2023 | 47 | 63 |
| 2024 | 34 | 41 |
| 2025 | 36 | 33 |
| 2026 | 22 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Exhaust gas purification catalyst6 Oct 2026US 12,752,237 B2Cataler Corporation
- Layered tri-metallic catalytic article and method of manufacturing the catalytic article29 Sep 2026US 12,746,532 B2BASF Mobile Emissions Catalysts LLC
- Exhaust gas purification device and method for manufacturing exhaust gas purification device29 Sep 2026US 12,746,533 B2Cataler Corporation
- Selective catalytic reduction catalyst for the treatment of an exhaust gas8 Sep 2026US 12,728,409 B2BASF Mobile Emissions Catalysts LLC
- Composite, zoned oxidation catalyst for a compression ignition internal combustion engine25 Aug 2026US 12,714,990 B2Johnson Matthey Public Limited Company
- Composite of manganese-based oxide and zeolite useful as nh3-scr catalyst24 Sep 2026US 2026/0284594 A1
- Catalyst article for treating exhaust gas, its method of manufacture and uses thereof10 Sep 2026US 2026/0264015 A1Johnson Matthey Public Limited Company
- Catalyst article for treating exhaust gas, its method of manufacture and uses thereof10 Sep 2026US 2026/0264058 A1Johnson Matthey Public Limited Company
- Exhaust gas purification catalyst composition, exhaust gas purification catalyst and exhaust gas purification system3 Sep 2026US 2026/0257173 A1Mitsui Mining & Smelting Co., Ltd.
- Exhaust gas purification catalyst device3 Sep 2026US 2026/0257210 A1Cataler Corporation
Most cited
By later US patents
- Catalytic wall-flow filter103US 6,753,294 B1Johnson Matthey Public Limited Company · 2004
- Thermally regenerable nitric oxide adsorbent90US 8,105,559 B2Johnson Matthey Public Limited Company · 2012
- Engine exhaust gas purification catalyst and exhaust gas purifier84US 6,047,544 ANissan Motor Co., Ltd. · 2000
- Reactor system for reducing NOx emissions from boilers80US 7,943,097 B2Catalytic Solutions, Inc. · 2011
- Rare earth containing catalyst composition76US 3,993,572 AEngelhard Minerals & Chemicals Corporation · 1976