F01N 3/26
Construction of thermal reactors
F01N3/26 (Construction of thermal reactors) appears on 231 US grants and 73 published applications in this corpus.
Search patents in F01N- Granted patents
- 231
- Published applications
- 73
- Assignees
- 102
- Inventors
- 368
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 35 | 0 |
| 1977 | 23 | 0 |
| 1978 | 30 | 0 |
| 1979 | 11 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 11 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 4 |
| 2003 | 5 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 2 |
| 2007 | 0 | 4 |
| 2008 | 0 | 2 |
| 2009 | 2 | 3 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 6 |
| 2016 | 0 | 4 |
| 2017 | 8 | 13 |
| 2018 | 4 | 4 |
| 2019 | 5 | 2 |
| 2020 | 5 | 9 |
| 2021 | 6 | 1 |
| 2022 | 5 | 5 |
| 2023 | 4 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
| 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
- Heating device for an exhaust system of an internal combustion engine24 Jun 2025US 12,338,761 B2Marelli Europe S.P.A.
- Apparatus for treatment gaseous pollutants15 Oct 2024US 12,115,496 B2Bht Services Pte. Ltd.
- Nitrogen oxide reduction type regenerative thermal oxidation system and nitrogen oxide reduction method thereof16 Jul 2024US 12,036,508 B2EMSOLUTION CO., Ltd.
- Heating unit for an exhaust-gas system of an internal combustion engine10 Oct 2023US 11,781,459 B2Purem GmbH
- Rapid exhaust catalyst heating using a glow plug27 Aug 2026US 2026/0251081 A1Saudi Arabian Oil Company
- Fluid reactor device, method for operating a fluid reactor device, method for maintaining a fluid reactor device and method for installing a fluid reactor device30 Jul 2026US 2026/0216640 A1Dürr Systems AG
- Rapid exhaust catalyst heating using a glow plug4 Sep 2025US 2025/0277464 A1Fca US LLC
- Heat-Insulated Interface Arrangement and Exhaust Gas Aftertreatment Device14 Aug 2025US 2025/0257677 A1Daimler Truck AG
- Heating Device for an Exhaust System of an Internal Combustion Engine30 May 2024US 2024/0175387 A1Marelli Europe S.P.A.
Most cited
By later US patents
- Intermittent time controlled vapor dispensing device97US 3,993,444 A1976
- Catalytic method88US 5,720,609 A1998
- Foam catalyst support for exhaust purification83US 6,040,266 AUltramet · 2000
- Catalytic abatement system78US 4,054,418 AE. I. Du Pont de Nemours and Company · 1977
- Torch assembly68US 5,636,511 APrecision Combustion, Inc. · 1997