F01N 2470/26
Tubes being formed by extrusion, drawing or rolling
F01N2470/26 (Tubes being formed by extrusion, drawing or rolling) appears on 32 US grants and 24 published applications in this corpus.
Search patents in F01N- Granted patents
- 32
- Published applications
- 24
- Assignees
- 26
- Inventors
- 77
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 3 |
| 2016 | 2 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 3 |
| 2019 | 1 | 2 |
| 2020 | 3 | 2 |
| 2021 | 1 | 1 |
| 2022 | 2 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Duct for a fluid to be transported, in particular in a motor vehicle29 Jul 2025US 12,372,192 B2Hutchinson
- Timbre scaled exhaust system16 Jul 2024US 12,037,930 B2
- Timbre scaled exhaust system30 May 2023US 11,661,870 B2
- Method for forming a collar in a muffler housing16 Aug 2022US 11,415,031 B2Bosal Emission Control Systems NV
- Exhaust silencer device11 Jan 2022US 11,220,949 B2Futaba Industrial Co., Ltd.
- Sound damper, in particular for a fuel-cell system20 Nov 2025US 2025/0357515 A1Purem GmbH
- Timbre Scaled Exhaust System30 Nov 2023US 2023/0383677 A1
- Duct for a fluid to be transported, in particular in a motor vehicle29 Jul 2021US 2021/0231257 A1Hutchinson
- Timbre Scaled Exhaust System31 Dec 2020US 2020/0408119 A1
- Exhaust manifold stiffening ribs30 Jan 2020US 2020/0032696 A1Cummins Inc.
Most cited
By later US patents
- Ceramic honeycomb filter for purifying exhaust gases93US 4,857,089 ANGK Insulators, Ltd. · 1989
- Low thermal capacitance exhaust processor52US 5,293,743 AArvin Industries, Inc. · 1994
- Muffler packing method and apparatus20US 6,068,082 A2000
- Method for contracting a cylindrical body19US 5,096,111 ANippon Steel Corporation · 1992
- Gas discharge apparatus18US 4,233,812 A1980