F01N 13/18
Construction facilitating manufacture, assembly, or disassembly
F01N13/18 (Construction facilitating manufacture, assembly, or disassembly) appears on 2,831 US grants and 2,456 published applications in this corpus.
Search patents in F01N- Granted patents
- 2,831
- Published applications
- 2,456
- Assignees
- 868
- Inventors
- 5,469
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 15 | 0 |
| 1978 | 23 | 0 |
| 1979 | 16 | 0 |
| 1980 | 29 | 0 |
| 1981 | 21 | 0 |
| 1982 | 24 | 0 |
| 1983 | 22 | 0 |
| 1984 | 26 | 0 |
| 1985 | 27 | 0 |
| 1986 | 29 | 0 |
| 1987 | 28 | 0 |
| 1988 | 27 | 0 |
| 1989 | 42 | 0 |
| 1990 | 37 | 0 |
| 1991 | 32 | 0 |
| 1992 | 32 | 0 |
| 1993 | 22 | 0 |
| 1994 | 33 | 0 |
| 1995 | 33 | 0 |
| 1996 | 31 | 0 |
| 1997 | 30 | 0 |
| 1998 | 53 | 0 |
| 1999 | 62 | 0 |
| 2000 | 67 | 0 |
| 2001 | 57 | 19 |
| 2002 | 56 | 56 |
| 2003 | 60 | 62 |
| 2004 | 39 | 76 |
| 2005 | 47 | 98 |
| 2006 | 36 | 84 |
| 2007 | 46 | 74 |
| 2008 | 40 | 76 |
| 2009 | 54 | 86 |
| 2010 | 50 | 113 |
| 2011 | 54 | 81 |
| 2012 | 79 | 108 |
| 2013 | 79 | 95 |
| 2014 | 103 | 135 |
| 2015 | 140 | 169 |
| 2016 | 128 | 197 |
| 2017 | 156 | 118 |
| 2018 | 90 | 125 |
| 2019 | 120 | 130 |
| 2020 | 133 | 143 |
| 2021 | 108 | 105 |
| 2022 | 128 | 90 |
| 2023 | 84 | 66 |
| 2024 | 70 | 72 |
| 2025 | 74 | 46 |
| 2026 | 19 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F01N 13/1805Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to1,745
- F01N 13/1838Characterised by the type of connection between parts of exhaust or silencing735
- F01N 13/1888The housing of the assembly consisting of two or more parts410
- F01N 13/1872The assembly using stamp-formed parts or otherwise deformed sheet-metal355
- F01N 13/1861The assembly using parts formed by casting or moulding94
- F01N 13/1883Manufactured by hydroforming32
- F01N 13/1833Specially adapted for small internal combustion engines24
Recent patents
- Snowmobile having a parallel-path exhaust system for two-stroke engine1 Sep 2026US 12,723,534 B2Arctic Cat Inc.
- Air cooling systems for snowmobiles1 Sep 2026US 12,723,538 B2Arctic Cat Inc.
- Muffler for internal combustion engines25 Aug 2026US 12,716,373 B2Plaggio & C. S.P.A.
- Exhaust system and components thereof28 Jul 2026US 12,692,809 B2ECC TEC MSJ Incorporated
- Exhaust assembly with an exhaust component14 Jul 2026US 12,680,493 B2Ford Global Technologies, LLC
- Exhaust gas aftertreatment13 Aug 2026US 2026/0233162 A1Proventia Oy
- Switchable exhaust system13 Aug 2026US 2026/0235066 A1Keijtech
- Gasket30 Jul 2026US 2026/0218645 A1Subaru Corporation
- Exhaust system for fire fighting vehicle2 Jul 2026US 2026/0185471 A1Oshkosh Corporation
- Exhaust system for fire fighting vehicle2 Jul 2026US 2026/0185472 A1Oshkosh Corporation
Most cited
By later US patents
- Connecting structure for exhaust pipes269US 6,406,066 B1Honda Giken Kogyo Kabushiki Kaisha · 2002
- Exhaust muffler174US 4,880,078 AHonda Giken Kogyo Kabushiki Kaisha · 1989
- Flexible connector154US 5,340,165 ASenior Engineering Investments AG · 1994
- Mobile power generation system151US 11,125,156 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2021
- Flexible joint for connecting two pipes132US 4,856,822 A1989