B01D 2255/915
Catalyst supported on particulate filters
B01D2255/915 (Catalyst supported on particulate filters) appears on 721 US grants and 1,016 published applications in this corpus.
Search patents in B01D- Granted patents
- 721
- Published applications
- 1,016
- Assignees
- 200
- Inventors
- 1,625
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 3 | 1 |
| 2005 | 1 | 4 |
| 2006 | 1 | 12 |
| 2007 | 1 | 6 |
| 2008 | 1 | 11 |
| 2009 | 5 | 13 |
| 2010 | 10 | 13 |
| 2011 | 9 | 23 |
| 2012 | 13 | 27 |
| 2013 | 17 | 27 |
| 2014 | 20 | 38 |
| 2015 | 36 | 46 |
| 2016 | 37 | 48 |
| 2017 | 40 | 82 |
| 2018 | 57 | 96 |
| 2019 | 63 | 78 |
| 2020 | 59 | 80 |
| 2021 | 79 | 98 |
| 2022 | 73 | 87 |
| 2023 | 65 | 67 |
| 2024 | 47 | 73 |
| 2025 | 52 | 43 |
| 2026 | 23 | 41 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for manufacturing exhaust gas purification catalyst29 Sep 2026US 12,746,538 B2Cataler Corporation
- Honeycomb structure8 Sep 2026US 12,728,377 B2NGK Insulators, Ltd.
- Selective catalytic reduction catalyst for the treatment of an exhaust gas8 Sep 2026US 12,728,409 B2BASF Mobile Emissions Catalysts LLC
- Catalyzed soot filter with reduced ammonia oxidation1 Sep 2026US 12,723,531 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
- Honeycomb structure and honeycomb filter1 Oct 2026US 2026/0295525 A1NGK Insulators, Ltd.
- Pillar-shaped honeycomb structure1 Oct 2026US 2026/0295572 A1NGK Insulators, Ltd.
- Composite of manganese-based oxide and zeolite useful as nh3-scr catalyst24 Sep 2026US 2026/0284594 A1
- Modified copper zeolites and method of using the same for treatment of gas streams containing nox24 Sep 2026US 2026/0284646 A1BASF SE
- Catalyst article for treating exhaust gas, its method of manufacture and uses thereof10 Sep 2026US 2026/0264015 A1Johnson Matthey Public Limited Company
Most cited
By later US patents
- Method and apparatus for emission control148US 6,314,722 B1Matros Technologies, Inc. · 2001
- Catalyzed SCR filter and emission treatment system132US 7,229,597 B2BASFD Catalysts LLC · 2007
- Catalytic wall-flow filter103US 6,753,294 B1Johnson Matthey Public Limited Company · 2004
- Copper CHA zeolite catalysts85US 7,601,662 B2BASF Catalysts LLC · 2009
- Method for treating soot-containing exhaust56US 7,097,817 B2Johnson Matthey Public Limited Company · 2006