F02D 41/027
To purge or regenerate the exhaust gas treating apparatus
Official title: {to purge or regenerate the exhaust gas treating apparatus}
F02D41/027 (To purge or regenerate the exhaust gas treating apparatus) appears on 2,310 US grants and 2,334 published applications in this corpus.
Search patents in F02D- Granted patents
- 2,310
- Published applications
- 2,334
- Assignees
- 306
- Inventors
- 3,484
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 12 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 24 | 0 |
| 1999 | 23 | 0 |
| 2000 | 36 | 0 |
| 2001 | 69 | 28 |
| 2002 | 80 | 84 |
| 2003 | 66 | 116 |
| 2004 | 107 | 120 |
| 2005 | 93 | 129 |
| 2006 | 116 | 123 |
| 2007 | 84 | 122 |
| 2008 | 71 | 132 |
| 2009 | 77 | 147 |
| 2010 | 82 | 111 |
| 2011 | 104 | 124 |
| 2012 | 132 | 118 |
| 2013 | 105 | 116 |
| 2014 | 122 | 94 |
| 2015 | 107 | 90 |
| 2016 | 98 | 99 |
| 2017 | 89 | 82 |
| 2018 | 85 | 90 |
| 2019 | 91 | 97 |
| 2020 | 88 | 95 |
| 2021 | 101 | 61 |
| 2022 | 86 | 63 |
| 2023 | 55 | 40 |
| 2024 | 34 | 22 |
| 2025 | 21 | 16 |
| 2026 | 13 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Internal combustion engine system15 Sep 2026US 12,736,016 B2Toyota Jidosha Kabushiki Kaisha
- Engine control system for intake valve opening timing during cold start11 Aug 2026US 12,704,099 B2Cummins Power Generation Inc.
- Filter regeneration control device for vehicle28 Jul 2026US 12,692,819 B2Toyota Jidosha Kabushiki Kaisha
- Purification system21 Jul 2026US 12,687,123 B2Isuzu Motors Limited
- Engine shutoff profile for hybrid vehicle gasoline particulate filter regeneration30 Jun 2026US 12,669,095 B2Fca US LLC
- Control method of aftertreatment system, control program, aftertreatment system, and engine system1 Oct 2026US 2026/0295529 A1Yanmar Holdings Co., Ltd.
- Controller and control method1 Oct 2026US 2026/0298166 A1Toyota Jidosha Kabushiki Kaisha
- Multi-fuel engines and controls using hydrogen fuel substitution10 Sep 2026US 2026/0266232 A1Cummins Inc.
- Method for determining condition of exhaust system, and device for determining condition of exhaust system3 Sep 2026US 2026/0258746 A1Nissan Motor Co., Ltd.
- Control apparatus for internal combustion engine20 Aug 2026US 2026/0243209 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Exhaust purification device of internal combustion engine199US 5,473,887 AToyota Jidosha Kabushiki Kaisha · 1995
- Exhaust gas purification device for an internal combustion engine197US 5,974,791 AToyota Jidosha Kabushiki Kaisha · 1999
- Method and apparatus for desulfating a no.sub.x trap176US 5,974,788 AFord Global Technologies, LLC · 1999
- Apparatus and method for internal combustion engine control173US 5,657,625 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1997
- Engine with cylinder deactivation168US 6,023,929 AFord Global Technologies, LLC · 2000