F01N 3/38
Arrangements for igniting
F01N3/38 (Arrangements for igniting) appears on 108 US grants and 74 published applications in this corpus.
Search patents in F01N- Granted patents
- 108
- Published applications
- 74
- Assignees
- 59
- Inventors
- 250
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 3 |
| 2005 | 1 | 2 |
| 2006 | 4 | 6 |
| 2007 | 2 | 2 |
| 2008 | 0 | 1 |
| 2009 | 2 | 4 |
| 2010 | 3 | 3 |
| 2011 | 3 | 3 |
| 2012 | 2 | 5 |
| 2013 | 4 | 8 |
| 2014 | 2 | 10 |
| 2015 | 4 | 4 |
| 2016 | 5 | 0 |
| 2017 | 4 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 3 | 8 |
| 2023 | 6 | 6 |
| 2024 | 4 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rapid exhaust catalyst heating using a glow plug26 May 2026US 12,637,968 B2Fca US LLC
- Method for operating an internal combustion engine, and internal combustion engine16 Sep 2025US 12,416,268 B2Robert Bosch GmbH
- Apparatus for treatment gaseous pollutants15 Oct 2024US 12,115,496 B2Bht Services Pte. Ltd.
- Method and processor unit for operating an exhaust gas burner21 May 2024US 11,988,128 B2Robert Bosch GmbH
- Exhaust gas purification apparatus6 Feb 2024US 11,891,935 B1Honda Motor Co., Ltd.
- Rapid exhaust catalyst heating using a glow plug27 Aug 2026US 2026/0251081 A1Saudi Arabian Oil Company
- Engine system having recuperated catalyst in exhaust system and method20 Aug 2026US 2026/0243186 A1Caterpillar Inc.
- Rapid exhaust catalyst heating using a glow plug4 Sep 2025US 2025/0277464 A1Fca US LLC
- Method for operating an internal combustion engine, and internal combustion engine28 Nov 2024US 2024/0392732 A1Robert Bosch GmbH
- Heating Device for an Exhaust System of an Internal Combustion Engine16 Mar 2023US 2023/0085477 A1Marelli Europe S.P.A.
Most cited
By later US patents
- Apparatus and method for internal combustion engine control173US 5,657,625 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1997
- Exhaust gas purification system for an internal combustion engine96US 5,233,830 AToyota Jidosha Kabushiki Kaisha · 1993
- Apparatus and method for destructive removal of particles contained in flowing fluid77US 4,376,637 ACalifornia Institute of Technology · 1983
- Apparatus for reducing non-gaseous pollutants56US 4,281,512 APhillips Petroleum Company · 1981
- Device for removal of particulates from exhaust and flue gases55US 5,199,257 ACentro Sviluppo Materiali S.p.A. · 1993