F01N 2470/10
Tubes having non-circular cross section
F01N2470/10 (Tubes having non-circular cross section) appears on 174 US grants and 103 published applications in this corpus.
Search patents in F01N- Granted patents
- 174
- Published applications
- 103
- Assignees
- 112
- Inventors
- 393
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 4 |
| 2003 | 3 | 5 |
| 2004 | 5 | 6 |
| 2005 | 2 | 4 |
| 2006 | 2 | 6 |
| 2007 | 2 | 3 |
| 2008 | 3 | 5 |
| 2009 | 7 | 4 |
| 2010 | 5 | 4 |
| 2011 | 1 | 3 |
| 2012 | 2 | 4 |
| 2013 | 7 | 1 |
| 2014 | 4 | 4 |
| 2015 | 2 | 4 |
| 2016 | 2 | 5 |
| 2017 | 4 | 2 |
| 2018 | 2 | 5 |
| 2019 | 5 | 10 |
| 2020 | 8 | 8 |
| 2021 | 5 | 1 |
| 2022 | 6 | 3 |
| 2023 | 3 | 6 |
| 2024 | 5 | 3 |
| 2025 | 4 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Exhaust purification apparatus5 May 2026US 12,618,352 B2Toyota Jidosha Kabushiki Kaisha
- Marine vessel and exhaust manifold for marine vessel22 Jul 2025US 12,366,189 B2Yamaha Hatsudoki Kabushiki Kaisha
- Aircraft provided with an engine and an exhaust duct around an exhaust nozzle of the engine10 Jun 2025US 12,325,527 B2Airbus Helicopters
- Annular catalytic converter21 Jan 2025US 12,201,941 B2Vitesco Technologies GmbH
- Engine21 Jan 2025US 12,203,430 B2Yanmar Holdings Co., Ltd.
- Exhaust purification apparatus13 Nov 2025US 2025/0347243 A1Toyota Jidosha Kabushiki Kaisha
- Marine vessel and exhaust manifold for marine vessel29 May 2025US 2025/0172081 A1Yamaha Hatsudoki Kabushiki Kaisha
- Engine5 Sep 2024US 2024/0295202 A1Yanmar Holdings Co., Ltd.
- Aircraft provided with an engine and an exhaust duct around an exhaust nozzle of the engine13 Jun 2024US 2024/0190576 A1Airbus Helicopters
- Flow management device22 Feb 2024US 2024/0060442 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Catalytic converter for automotive exhaust system110US 4,617,176 AMinnesota Mining and Manufacturing Company · 1986
- Catalytic converter107US 4,929,429 AMinnesota Mining and Manufacturing Company · 1990
- Static mixer and exhaust gas treatment device100US 7,793,494 B2J. Eberspaecher GmbH & Co. KG · 2010
- Method for uniting an exhaust treatment body with its housing and an exhaust treatment apparatus81US 5,683,660 AJ. Eberspächer GmbH & Co. KG · 1997
- Catalytic converter having a monolith with support and seal means therefor71US 4,239,733 AGeneral Motors Corporation · 1980