F01N 2240/26
An exhaust gas reservoir
Official title: an exhaust gas reservoir, e.g. emission buffer
F01N2240/26 (An exhaust gas reservoir) appears on 44 US grants and 51 published applications in this corpus.
Search patents in F01N- Granted patents
- 44
- Published applications
- 51
- Assignees
- 36
- Inventors
- 106
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 0 | 1 |
| 2005 | 4 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 6 |
| 2011 | 0 | 0 |
| 2012 | 3 | 1 |
| 2013 | 2 | 1 |
| 2014 | 2 | 1 |
| 2015 | 2 | 5 |
| 2016 | 3 | 2 |
| 2017 | 2 | 1 |
| 2018 | 1 | 5 |
| 2019 | 0 | 2 |
| 2020 | 3 | 0 |
| 2021 | 4 | 6 |
| 2022 | 4 | 3 |
| 2023 | 5 | 4 |
| 2024 | 4 | 4 |
| 2025 | 3 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mobile carbon capture system enhancement1 Jul 2025US 12,344,046 B2United Parcel Service of America, Inc.
- Engine emissions encapsulation in asphalt17 Jun 2025US 12,331,471 B2Caterpillar Paving Products Inc.
- System and method for mobile carbon capture13 May 2025US 12,297,759 B2Echeneidae Inc.
- Exhaust gas aftertreatment device for internal combustion engine29 Oct 2024US 12,129,781 B2Isuzu Motors Limited
- Emissions control watercraft27 Aug 2024US 12,071,205 B2
- Locomotive exhaust duct assembly25 Jun 2026US 2026/0175883 A1Echeneidae Inc.
- Mobile carbon capture system enhancement18 Sep 2025US 2025/0289272 A1United Parcel Service of America, Inc.
- System and method for mobile carbon capture24 Jul 2025US 2025/0237162 A1Echeneidae Inc.
- Attenuation means for emission neutrality/harmful emission control "k"1 May 2025US 2025/0137392 A1
- Emissions control watercraft7 Nov 2024US 2024/0367762 A1STAX Engineering, Inc.
Most cited
By later US patents
- Exhaust emission control system22US 3,968,649 AThe Rovac Corporation · 1976
- Exhaust gas purification apparatus and method21US 6,845,610 B2Nissan Motor Co., Ltd. · 2005
- Exhaust gas purifying method, exhaust gas purifying apparatus, and exhaust gas collecting apparatus of internal combustion engine19US 6,901,743 B2Toyota Jidosha Kabushiki Kaisha · 2005
- Exhaust system of an internal-combustion engine having a storage volume16US 6,250,073 B1Bayerische Motoren Werke Aktiengesellschaft · 2001
- Diesel particulate filter apparatus14US 6,887,294 B2Calsonic Kansei Corporation · 2005