F01N 2340/00
Dimensional characteristics of the exhaust system
Official title: Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the exhaust apparatus; Spatial arrangements of exhaust apparatuses
F01N2340/00 (Dimensional characteristics of the exhaust system) appears on 778 US grants and 888 published applications in this corpus.
Search patents in F01N- Granted patents
- 778
- Published applications
- 888
- Assignees
- 271
- Inventors
- 1,960
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 9 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 2 |
| 2002 | 7 | 9 |
| 2003 | 2 | 8 |
| 2004 | 11 | 13 |
| 2005 | 5 | 16 |
| 2006 | 5 | 24 |
| 2007 | 15 | 21 |
| 2008 | 12 | 20 |
| 2009 | 12 | 34 |
| 2010 | 15 | 27 |
| 2011 | 16 | 27 |
| 2012 | 24 | 35 |
| 2013 | 36 | 29 |
| 2014 | 35 | 49 |
| 2015 | 48 | 53 |
| 2016 | 42 | 61 |
| 2017 | 55 | 56 |
| 2018 | 34 | 68 |
| 2019 | 55 | 52 |
| 2020 | 68 | 65 |
| 2021 | 47 | 41 |
| 2022 | 41 | 44 |
| 2023 | 46 | 37 |
| 2024 | 45 | 43 |
| 2025 | 46 | 32 |
| 2026 | 8 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F01N 2340/04Arrangement of the exhaust system relative to a vehicle or parts thereofIndexing code321
- F01N 2340/06Arrangement of the exhaust apparatus relative to the turbine of a turbochargerIndexing code239
- F01N 2340/02Distance of the exhaust apparatus to the engine or between two exhaustIndexing code177
- F01N 2340/08Series-connected exhaust apparatuses mounted in a side-by-side spatial arrangementIndexing code2
Recent patents
- Post-processing system15 Sep 2026US 12,736,003 B2Isuzu Motors Limited
- Saddle-type vehicle with exhaust pipe catalyst arrangement15 Sep 2026US 12,736,004 B2Kawasaki Motors, Ltd.
- Air cooling systems for snowmobiles1 Sep 2026US 12,723,538 B2Arctic Cat Inc.
- Tractor14 Jul 2026US 12,680,489 B2Kubota Corporation
- Tractor14 Apr 2026US 12,601,286 B2Kubota Corporation
- Valv e assembly for internal combustion engine system with turbomachinery10 Sep 2026US 2026/0266208 A1Cummins Emission Solutions Inc.
- Exhaust system3 Sep 2026US 2026/0258744 A1Isuzu Motors Limited
- Engine Assembly20 Aug 2026US 2026/0241341 A1Perkins Engines Company Limited
- Exhaust purification device13 Aug 2026US 2026/0235058 A1Tokyo Roki Co., Ltd.
- Ammonia oxidation catalyst with zoned scr inlet and pgm outlet for gasoline applications23 Jul 2026US 2026/0208105 A1BASF SE
Most cited
By later US patents
- Low emission, diesel-cycle engine158US 6,470,682 B2The United States of America as represented by the Administrator of the United States Environmental Protection Agency · 2002
- Low emission, diesel-cycle engine146US 6,301,888 B1The United States of America as represented by the Administrator of the Environmental Protection Agency · 2001
- Controlled temperature combustion engine113US 6,651,432 B1The United States of America as represented by the Administrator of the Environmental Protection Agency · 2003
- Diesel engine equipped for reducing harmful substances in its operation83US 5,517,976 AMTU Motoren- und Turbinen-Union Friedrichshafen GmbH · 1996
- No exhaust emission control method and arrangement83US 5,992,142 AVolkswagen Aktiengesellschaft · 1999