F01N 2450/22
Methods or apparatus for fitting, inserting or repairing different elements: by welding
Official title: by welding or brazing
F01N2450/22 (Methods or apparatus for fitting, inserting or repairing different elements: by welding) appears on 397 US grants and 329 published applications in this corpus.
Search patents in F01N- Granted patents
- 397
- Published applications
- 329
- Assignees
- 202
- Inventors
- 930
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 8 | 0 |
| 1984 | 0 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 10 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 5 |
| 2002 | 9 | 11 |
| 2003 | 11 | 12 |
| 2004 | 8 | 9 |
| 2005 | 4 | 22 |
| 2006 | 7 | 9 |
| 2007 | 9 | 20 |
| 2008 | 7 | 11 |
| 2009 | 4 | 11 |
| 2010 | 12 | 16 |
| 2011 | 10 | 3 |
| 2012 | 7 | 4 |
| 2013 | 6 | 6 |
| 2014 | 8 | 13 |
| 2015 | 8 | 24 |
| 2016 | 17 | 12 |
| 2017 | 21 | 16 |
| 2018 | 5 | 24 |
| 2019 | 17 | 16 |
| 2020 | 17 | 20 |
| 2021 | 13 | 12 |
| 2022 | 18 | 17 |
| 2023 | 15 | 15 |
| 2024 | 12 | 6 |
| 2025 | 7 | 10 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrical feedthrough with touch protection18 Aug 2026US 12,712,100 B2Vitesco Technologies GmbH
- Connecting flange for connecting two tubular components to each other24 Feb 2026US 12,560,261 B2Purem GmbH
- Exhaust-gas heater2 Dec 2025US 12,486,791 B2Purem GmbH
- Sound damper28 Oct 2025US 12,454,901 B2Purem GmbH
- Exhaust gas treatment assembly29 Jul 2025US 12,372,017 B2Purem GmbH
- Exhaust gas aftertreatment13 Aug 2026US 2026/0233162 A1Proventia Oy
- Support structure for a heating matrix25 Jun 2026US 2026/0176995 A1Schaeffler Technologies AG & Co. KG
- Support structure for a heating matrix25 Jun 2026US 2026/0176996 A1Schaeffler Technologies AG & Co. KG
- Muffler23 Apr 2026US 2026/0110257 A1
- Vehicle component and method of manufacturing vehicle component26 Mar 2026US 2026/0085709 A1Futaba Industrial Co., Ltd.
Most cited
By later US patents
- Cartridge for purifying exhaust gas100US 4,282,186 ASueddeutsche Kuehlerfabrik Julius Fr. Behr GmbH & Co. KG · 1981
- Method for uniting an exhaust treatment body with its housing and an exhaust treatment apparatus81US 5,683,660 AJ. Eberspächer GmbH & Co. KG · 1997
- Vertical mount catalytic converter muffler73US 5,808,245 ADonaldson Company, Inc. · 1998
- Method for manufacturing a catalytic reactor carrier matrix53US 4,381,590 ASuddeutsche Kuhlerfabrik Julius Fr. Behr GmbH & Co. KG · 1983
- Method and apparatus for control of fluids53US 4,685,534 A1987