F02M 26/12
Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air
Official title: characterised by means for attaching parts of an EGR system to each other or to engine parts
F02M26/12 (Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air) appears on 122 US grants and 103 published applications in this corpus.
Search patents in F02M- Granted patents
- 122
- Published applications
- 103
- Assignees
- 89
- Inventors
- 309
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 8 | 2 |
| 2002 | 7 | 5 |
| 2003 | 4 | 5 |
| 2004 | 4 | 3 |
| 2005 | 6 | 4 |
| 2006 | 2 | 1 |
| 2007 | 2 | 1 |
| 2008 | 1 | 4 |
| 2009 | 1 | 3 |
| 2010 | 1 | 5 |
| 2011 | 3 | 2 |
| 2012 | 2 | 3 |
| 2013 | 4 | 3 |
| 2014 | 2 | 3 |
| 2015 | 4 | 10 |
| 2016 | 10 | 5 |
| 2017 | 4 | 2 |
| 2018 | 4 | 4 |
| 2019 | 5 | 7 |
| 2020 | 6 | 10 |
| 2021 | 7 | 9 |
| 2022 | 8 | 5 |
| 2023 | 4 | 3 |
| 2024 | 2 | 2 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Exhaust pipe, method for optimizing and designing exhaust pipe, and engine17 Feb 2026US 12,553,374 B2Weichai Power Co., Ltd.
- Engine4 Feb 2025US 12,215,641 B2Yanmar Power Technology Co., Ltd.
- Air pressure energy recovery and air/fuel/reformate storage during vehicle deceleration for active prechamber operation26 Nov 2024US 12,152,555 B2Saudi Arabian Oil Company
- Engine18 Jun 2024US 12,012,907 B2Yanmar Power Technology Co., Ltd.
- Exhaust gas recirculation structure10 Oct 2023US 11,781,509 B1Isuzu Motors Limited
- Engine8 May 2025US 2025/0146446 A1Yanmar Power Technology Co., Ltd.
- Exhaust pipe, method for optimizing and designing exhaust pipe, and engine17 Apr 2025US 2025/0122821 A1Weichai Power Co., Ltd.
- Engine29 Aug 2024US 2024/0287944 A1Yanmar Power Technology Co., Ltd.
- Air pressure energy recovery and air/fuel/reformate storage during vehicle deceleration for active prechamber operation20 Jun 2024US 2024/0200518 A1Aramco Services Company
- Exhaust gas recirculation structure28 Sep 2023US 2023/0304460 A1Isuzu Motors Limited
Most cited
By later US patents
- Model-based diagnostics of NOx sensor malfunction for selective catalyst reduction system35US 8,555,613 B2GM Global Technology Operations LLC · 2013
- Apparatus for supply of recirculated exhaust gas33US 7,389,770 B2Volvo Lastvagnar AB · 2008
- Gas mixture feed system for internal combustion engine32US 4,094,285 AHitachi, Ltd. · 1978
- Exhaust gas recirculation system of internal combustion engine32US 5,970,960 ANissan Motor Co., Ltd. · 1999
- Exhaust gas recirculation mixer apparatus and method32US 6,427,671 B1Caterpillar Inc. · 2002