F01N 13/017
The purifying devices are arranged in a single housing
Official title: {the purifying devices are arranged in a single housing}
F01N13/017 (The purifying devices are arranged in a single housing) appears on 268 US grants and 271 published applications in this corpus.
Search patents in F01N- Granted patents
- 268
- Published applications
- 271
- Assignees
- 151
- Inventors
- 675
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 1 |
| 2002 | 2 | 6 |
| 2003 | 4 | 4 |
| 2004 | 4 | 18 |
| 2005 | 6 | 17 |
| 2006 | 6 | 20 |
| 2007 | 11 | 14 |
| 2008 | 12 | 7 |
| 2009 | 7 | 11 |
| 2010 | 8 | 14 |
| 2011 | 9 | 6 |
| 2012 | 8 | 12 |
| 2013 | 6 | 13 |
| 2014 | 9 | 20 |
| 2015 | 21 | 19 |
| 2016 | 9 | 10 |
| 2017 | 14 | 18 |
| 2018 | 13 | 13 |
| 2019 | 14 | 12 |
| 2020 | 14 | 7 |
| 2021 | 11 | 4 |
| 2022 | 4 | 8 |
| 2023 | 8 | 5 |
| 2024 | 6 | 6 |
| 2025 | 3 | 2 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Exhaust gas purification apparatus and construction machinery including the same9 Sep 2025US 12,410,738 B2Hd Hyundai Infracore Co., Ltd.
- Modularly constructed exhaust gas treatment arrangement19 Aug 2025US 12,392,271 B2Purem GmbH
- Diesel engine aftertreatment system1 Jul 2025US 12,345,184 B2Caterpillar Inc.
- Exhaust gas aftertreatment system31 Dec 2024US 12,180,873 B2Cummins Emission Solutions Inc.
- Exhaust gas aftertreatment system24 Dec 2024US 12,173,632 B2Cummins Emission Solutions Inc.
- Gas filter element, filter device and method of use1 Oct 2026US 2026/0295490 A1Pall Corporation
- Ammonia oxidation catalyst with zoned scr inlet and pgm outlet for gasoline applications23 Jul 2026US 2026/0208105 A1BASF SE
- Mixing tube for exhaust system and operating strategy for same18 Jun 2026US 2026/0168419 A1Caterpillar Inc.
- Aftertreatment system and mixing tube18 Jun 2026US 2026/0168420 A1Caterpillar Inc.
- Exhaust gas aftertreatment system27 Feb 2025US 2025/0067206 A1Cummins Emission Solutions Inc.
Most cited
By later US patents
- Ceramic structural body188US 5,914,187 AIbiden Co., Ltd. · 1999
- Process and device for the catalytic cleaning of the exhaust gas from a combustion plant84US 6,444,177 B1Siemens Aktiengesellschaft · 2002
- Series combination catalytic converter65US 5,611,198 ACaterpillar Inc. · 1997
- Method for producing a honeycomb body, especially a catalyst carrier body having sheet metal layers twisted in opposite directions61US 4,923,109 AInteratom GmbH · 1990
- Exhaust processor55US 4,625,511 AArvin Industries, Inc. · 1986