F02M 26/25
With coolers having bypasses
Official title: with coolers having bypasses
F02M26/25 (With coolers having bypasses) appears on 429 US grants and 508 published applications in this corpus.
Search patents in F02M- Granted patents
- 429
- Published applications
- 508
- Assignees
- 151
- Inventors
- 990
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 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 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 5 |
| 2002 | 6 | 4 |
| 2003 | 4 | 9 |
| 2004 | 8 | 6 |
| 2005 | 9 | 13 |
| 2006 | 11 | 26 |
| 2007 | 20 | 32 |
| 2008 | 19 | 40 |
| 2009 | 17 | 45 |
| 2010 | 18 | 29 |
| 2011 | 32 | 37 |
| 2012 | 21 | 23 |
| 2013 | 20 | 24 |
| 2014 | 25 | 36 |
| 2015 | 23 | 43 |
| 2016 | 38 | 30 |
| 2017 | 35 | 25 |
| 2018 | 28 | 27 |
| 2019 | 23 | 13 |
| 2020 | 12 | 13 |
| 2021 | 15 | 6 |
| 2022 | 9 | 6 |
| 2023 | 14 | 11 |
| 2024 | 4 | 3 |
| 2025 | 2 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Exhaust gas heat exchanger with twisted restrictor21 Apr 2026US 12,607,412 B2RB Distribution, Inc.
- Valve device11 Mar 2025US 12,247,532 B2Denso Corporation
- Engine4 Feb 2025US 12,215,641 B2Yanmar Power Technology Co., Ltd.
- System and method for management of multiple exhaust gas recirculation coolers19 Nov 2024US 12,146,457 B2Innio Waukesha Gas Engines Inc.
- Dual core exhaust gas recirculation cooler22 Oct 2024US 12,123,379 B2Deere & Company
- Exhaust gas recirculation device and exhaust gas recirculation method for internal combustion engine26 Jun 2025US 2025/0207547 A1Toyota Jidosha Kabushiki Kaisha
- Engine8 May 2025US 2025/0146446 A1Yanmar Power Technology Co., Ltd.
- Exhaust gas heat exchanger with twisted restrictor3 Oct 2024US 2024/0328720 A1RB Distribution, Inc.
- Engine29 Aug 2024US 2024/0287944 A1Yanmar Power Technology Co., Ltd.
- Internal combustion engine and method for controlling internal combustion engine27 Jun 2024US 2024/0209816 A1Kabushiki Kaisha Toyota Jidoshokki
Most cited
By later US patents
- Control system for exhaust gas recovery system in an internal combustion engine151US 5,771,867 ACaterpillar Inc. · 1998
- Low pressure EGR system for diesel engines149US 6,301,887 B1Engelhard Corporation · 2001
- HCCI engine intake/exhaust systems for fast inlet temperature and pressure control with intake pressure boosting117US 6,675,579 B1Ford Global Technologies, LLC · 2004
- Cooled exhaust gas recirculation system with load and ambient bypasses113US 5,617,726 ACummins Engine Company, Inc. · 1997
- Exhaust gas re-circulation arrangement111US 6,216,459 B1DaimlerChrysler AG · 2001