F02M 26/35
With means for cleaning or treating the recirculated gases
Official title: with means for cleaning or treating the recirculated gases, e.g. catalysts, condensate traps, particle filters or heaters
F02M26/35 (With means for cleaning or treating the recirculated gases) appears on 460 US grants and 500 published applications in this corpus.
Search patents in F02M- Granted patents
- 460
- Published applications
- 500
- Assignees
- 177
- Inventors
- 1,023
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 1 | 0 |
| 2000 | 10 | 0 |
| 2001 | 3 | 4 |
| 2002 | 11 | 4 |
| 2003 | 10 | 4 |
| 2004 | 4 | 8 |
| 2005 | 6 | 8 |
| 2006 | 9 | 14 |
| 2007 | 14 | 23 |
| 2008 | 11 | 28 |
| 2009 | 12 | 22 |
| 2010 | 14 | 28 |
| 2011 | 18 | 29 |
| 2012 | 11 | 22 |
| 2013 | 15 | 30 |
| 2014 | 17 | 31 |
| 2015 | 32 | 24 |
| 2016 | 13 | 39 |
| 2017 | 32 | 27 |
| 2018 | 30 | 26 |
| 2019 | 28 | 31 |
| 2020 | 28 | 26 |
| 2021 | 22 | 20 |
| 2022 | 25 | 15 |
| 2023 | 19 | 18 |
| 2024 | 10 | 7 |
| 2025 | 6 | 6 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Soot-less exhaust gas recirculation (EGR) system22 Sep 2026US 12,742,434 B1
- Engine system components including catalytic coatings and related apparatuses, methods, systems, and techniques15 Sep 2026US 12,736,020 B2Cummins Inc.
- Gas-liquid separator28 Apr 2026US 12,611,623 B2Usui Co., Ltd.
- System and method for injecting condensate in cylinder of a reciprocating engine21 Apr 2026US 12,607,151 B2Innio Jenbacher GmbH & Co OG
- Hybrid vehicle13 Jan 2026US 12,523,191 B2Mitsubishi Jidosha Kogyo Kabushiki Kaisha
- Engine system27 Aug 2026US 2026/0251110 A1Subaru Corporation
- Method and system for cleaning polluted marine exhaust gas cleaning liquid20 Aug 2026US 2026/0242265 A1Alfa Laval Corporate AB
- Feeding and exhaust system for internal combustion engine, or thermal unit, and respective method of operation13 Aug 2026US 2026/0235064 A1Rhapis S.R.L.
- Exhaust structure of engine4 Jun 2026US 2026/0153067 A1Mazda Motor Corporation
- Exhaust gas recirculation system23 Apr 2026US 2026/0110282 A1Kabushiki Kaisha Toyota Jidoshokki
Most cited
By later US patents
- Turbocharging systems for internal combustion engines208US 5,771,868 ATurbodyne Systems, Inc. · 1998
- Turbocharging systems for internal combustion engines197US 6,062,026 ATurbodyne Systems, Inc. · 2000
- Reformed natural gas for powering an internal combustion engine177US 6,508,209 B12003
- Low emission, diesel-cycle engine158US 6,470,682 B2The United States of America as represented by the Administrator of the United States Environmental Protection Agency · 2002
- Low pressure EGR system for diesel engines149US 6,301,887 B1Engelhard Corporation · 2001