F01N 3/0235
Using exhaust gas throttling means
Official title: {using exhaust gas throttling means}
F01N3/0235 (Using exhaust gas throttling means) appears on 101 US grants and 106 published applications in this corpus.
Search patents in F01N- Granted patents
- 101
- Published applications
- 106
- Assignees
- 43
- Inventors
- 229
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 3 |
| 2002 | 0 | 5 |
| 2003 | 5 | 4 |
| 2004 | 5 | 4 |
| 2005 | 3 | 6 |
| 2006 | 3 | 4 |
| 2007 | 3 | 1 |
| 2008 | 6 | 5 |
| 2009 | 0 | 15 |
| 2010 | 2 | 3 |
| 2011 | 6 | 7 |
| 2012 | 6 | 3 |
| 2013 | 4 | 11 |
| 2014 | 9 | 6 |
| 2015 | 12 | 2 |
| 2016 | 2 | 8 |
| 2017 | 4 | 2 |
| 2018 | 3 | 3 |
| 2019 | 5 | 4 |
| 2020 | 2 | 1 |
| 2021 | 1 | 4 |
| 2022 | 7 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Engine control system including dual continuous variable valve duration device and GPF forced regeneration method using the engine control system7 Apr 2026US 12,595,757 B2Hyundai Motor Company
- Exhaust handling systems for marine vessels and related methods12 Aug 2025US 12,384,508 B2Marathon Petroleum Company LP
- Exhaust handling systems for marine vessels and related methods23 Jul 2024US 12,043,361 B1Marathon Petroleum Company LP
- Control device, engine, and control method of engine27 Dec 2022US 11,536,209 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Diesel engine15 Nov 2022US 11,499,492 B2Kubota Corporation
- Exhaust handling systems for marine vessels and related methods27 Nov 2025US 2025/0360999 A1Marathon Petroleum Company LP
- Engine control system including dual continuous variable valve duration device and gpf forced regeneration method using the engine control system22 May 2025US 2025/0163837 A1Hyundai Motor Company
- Exhaust handling systems for marine vessels and related methods29 Aug 2024US 2024/0286726 A1Marathon Petroleum Company LP
- Diesel engine30 Jun 2022US 2022/0205403 A1Kubota Corporation
- Method for cleaning a component of an exhaust aftertreatment system and an exhaust system24 Feb 2022US 2022/0056828 A1Volvo Truck Corporation
Most cited
By later US patents
- Diesel engine particulate trap regeneration system54US 4,835,963 AAllied-Signal Inc. · 1989
- Exhaust emission purification system for diesel engine53US 6,823,660 B2Isuzu Motors Limited · 2004
- Control system for diesel particulate trap regeneration system44US 5,050,376 AAllied-Signal Inc. · 1991
- Exhaust gas filtering process and unit with modulable heating41US 6,090,172 AInstitut Francias du Petrole · 2000
- Trap apparatus with tubular filter element36US 5,293,742 ADonaldson Company, Inc. · 1994