F01N 2450/00
Methods or apparatus for fitting, inserting or repairing different elements
F01N2450/00 (Methods or apparatus for fitting, inserting or repairing different elements) appears on 1,455 US grants and 1,224 published applications in this corpus.
Search patents in F01N- Granted patents
- 1,455
- Published applications
- 1,224
- Assignees
- 561
- Inventors
- 2,945
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 7 | 0 |
| 1978 | 17 | 0 |
| 1979 | 12 | 0 |
| 1980 | 20 | 0 |
| 1981 | 16 | 0 |
| 1982 | 18 | 0 |
| 1983 | 14 | 0 |
| 1984 | 13 | 0 |
| 1985 | 11 | 0 |
| 1986 | 18 | 0 |
| 1987 | 15 | 0 |
| 1988 | 14 | 0 |
| 1989 | 19 | 0 |
| 1990 | 21 | 0 |
| 1991 | 26 | 0 |
| 1992 | 25 | 0 |
| 1993 | 24 | 0 |
| 1994 | 21 | 0 |
| 1995 | 24 | 0 |
| 1996 | 20 | 0 |
| 1997 | 23 | 0 |
| 1998 | 26 | 0 |
| 1999 | 24 | 0 |
| 2000 | 25 | 0 |
| 2001 | 26 | 8 |
| 2002 | 31 | 39 |
| 2003 | 34 | 38 |
| 2004 | 22 | 54 |
| 2005 | 17 | 78 |
| 2006 | 22 | 62 |
| 2007 | 46 | 65 |
| 2008 | 40 | 59 |
| 2009 | 32 | 58 |
| 2010 | 44 | 55 |
| 2011 | 52 | 39 |
| 2012 | 42 | 35 |
| 2013 | 32 | 35 |
| 2014 | 36 | 42 |
| 2015 | 44 | 62 |
| 2016 | 31 | 42 |
| 2017 | 55 | 53 |
| 2018 | 26 | 70 |
| 2019 | 59 | 55 |
| 2020 | 61 | 72 |
| 2021 | 56 | 55 |
| 2022 | 61 | 42 |
| 2023 | 40 | 38 |
| 2024 | 35 | 23 |
| 2025 | 28 | 27 |
| 2026 | 8 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F01N 2450/22Methods or apparatus for fitting, inserting or repairing different elements: by weldingIndexing code397
- F01N 2450/24Methods or apparatus for fitting, inserting or repairing different elements: by boltsIndexing code329
- F01N 2450/30Removable or rechangeable blocks or cartridgesIndexing code241
- F01N 2450/02Fitting monolithic blocks into the housingIndexing code216
- F01N 2450/20Methods or apparatus for fitting, inserting or repairing different elements: by mechanicalIndexing code167
- F01N 2450/28Methods or apparatus for fitting, inserting or repairing different elements: by usingIndexing code145
- F01N 2450/18Methods or apparatus for fitting, inserting or repairing different elements: by usingIndexing code107
- F01N 2450/06Inserting sound absorbing material into a chamberIndexing code45
All 14 subgroupsShow fewer
- F01N 2450/10Fitting temporarily exhaust apparatus on exhaust conduitIndexing code37
- F01N 2450/16Methods or apparatus for fitting, inserting or repairing different elements: by usingIndexing code32
- F01N 2450/40Retrofitting exhaust apparatusIndexing code25
- F01N 2450/08Repairing the housing or pipe-jointsIndexing code24
- F01N 2450/04Filling or emptying a chamber with granular materialIndexing code22
- F01N 2450/26Methods or apparatus for fitting, inserting or repairing different elements: by bayonetIndexing code19
Recent patents
- Post-combustion engine exhaust gases absorber18 Aug 2026US 12,710,005 B2
- Electrical feedthrough with touch protection18 Aug 2026US 12,712,100 B2Vitesco Technologies GmbH
- Sealing means, improved slip joint apparatus and/or methods of use thereof21 Apr 2026US 12,607,264 B2Teconnex Ltd
- Connecting flange for connecting two tubular components to each other24 Feb 2026US 12,560,261 B2Purem GmbH
- Engine17 Feb 2026US 12,553,371 B2Yanmar Power Technology Co., Ltd.
- Systems, methods, and apparatuses for adsorbing carbon from engine exhaust gases1 Oct 2026US 2026/0298120 A1CO2 Filter, LLC
- Honeycomb structure20 Aug 2026US 2026/0241375 A1NGK Insulators, Ltd.
- Exhaust gas aftertreatment13 Aug 2026US 2026/0233162 A1Proventia Oy
- Zero binder polycrystalline mounting mat with improved production handling9 Jul 2026US 2026/0193833 A13M Innovative Properties Company
- Support structure for a heating matrix25 Jun 2026US 2026/0176995 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Honeycomb filter and ceramic filter assembly201US 6,669,751 B1Ibiden Co., Ltd. · 2003
- Ceramic structural body188US 5,914,187 AIbiden Co., Ltd. · 1999
- One-piece combined muffler exhaust outlet and exhaust gas deflector134US 5,857,329 ADeere & Company · 1999
- Catalytic converter107US 4,929,429 AMinnesota Mining and Manufacturing Company · 1990
- Cartridge for purifying exhaust gas100US 4,282,186 ASueddeutsche Kuehlerfabrik Julius Fr. Behr GmbH & Co. KG · 1981