F01N 3/055
Without contact between air and exhaust gases
Official title: {without contact between air and exhaust gases}
F01N3/055 (Without contact between air and exhaust gases) appears on 55 US grants and 65 published applications in this corpus.
Search patents in F01N- Granted patents
- 55
- Published applications
- 65
- Assignees
- 40
- Inventors
- 140
- Latest grant
- 25 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 1 | 6 |
| 2012 | 3 | 7 |
| 2013 | 3 | 8 |
| 2014 | 6 | 5 |
| 2015 | 7 | 6 |
| 2016 | 7 | 9 |
| 2017 | 4 | 3 |
| 2018 | 8 | 2 |
| 2019 | 2 | 1 |
| 2020 | 1 | 3 |
| 2021 | 5 | 2 |
| 2022 | 2 | 2 |
| 2023 | 0 | 2 |
| 2024 | 2 | 2 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Engine exhaust heat management system25 Feb 2025US 12,234,759 B2Discovery Energy, LLC
- Exhaust assembly for a utility vehicle4 Feb 2025US 12,214,654 B2Polaris Industries Inc.
- Motor vehicle having a rear apron14 Jan 2025US 12,196,118 B2Bayerische Motoren Werke Aktiengesellschaft
- Engine exhaust heat management system19 Mar 2024US 11,933,209 B2Kohler Co.
- Exhaust promotion device, and exhaust system improvement method for internal combustion engine12 Mar 2024US 11,927,122 B2Kokusho Co., Ltd.
- Exhaust assembly for a utility vehicle17 Apr 2025US 2025/0121678 A1Polaris Industries Inc.
- Engine exhaust heat management system6 Jun 2024US 2024/0183296 A1Kohler Co.
- Motor Vehicle Having a Rear Apron25 Jan 2024US 2024/0026807 A1Bayerische Motoren Werke Aktiengesellschaft
- Exhaust promotion device, and exhaust system improvement method for internal combustion engine20 Apr 2023US 2023/0124376 A1Kokusho Co., Ltd.
- Engine exhaust heat management system16 Mar 2023US 2023/0085266 A1Kohler Co.
Most cited
By later US patents
- Agricultural vehicle emission aftertreatment device utilizing heat exchanger ventilation24US 8,167,067 B2AGCO Corporation · 2012
- Exhaust heat recovery system19US 8,327,634 B2Toyota Jidosha Kabushiki Kaisha · 2012
- Exhaust assembly cooling system16US 10,100,579 B2The Charles Machine Works, Inc. · 2018
- Vehicle front portion structure13US 9,188,052 B2Toyota Jidosha Kabushiki Kaisha · 2015
- Intake air heating and exhaust cooling11US 8,042,335 B2Ford Global Technologies, LLC · 2011