F01N 13/1883
Manufactured by hydroforming
Official title: {manufactured by hydroforming}
F01N13/1883 (Manufactured by hydroforming) appears on 32 US grants and 11 published applications in this corpus.
Search patents in F01N- Granted patents
- 32
- Published applications
- 11
- Assignees
- 21
- Inventors
- 62
- Latest grant
- 6 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 5 | 4 |
| 2003 | 3 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Sound attenuator for a fluid flow line and method of manufacturing the same6 Dec 2022US 11,521,588 B2Umfotec GmbH
- Method of determining arrangement position of spherical joint for connecting exhaust pipes to each other in exhaust system, and exhaust system16 Apr 2019US 10,260,401 B2Oiles Corporation
- Exhaust system of a combustion engine25 Aug 2009US 7,578,124 B2Friederich Boysen GmbH & Co. KG
- Waste gas heat exchanger9 Jun 2009US 7,543,471 B2Behr GmbH & Co.
- Air gap insulated exhaust pipe with branch pipe stub and method of manufacturing same1 Apr 2003US 6,539,764 B2DaimlerChrysler AG
- Sound attenuator for a fluid flow line and method of manufacturing the same9 Sep 2021US 2021/0280160 A1Umfotec GmbH
- Method of providing a leak free acoustic volume for a vehicle frame member26 Sep 2019US 2019/0292955 A1Faurecia Emissions Control Technologies, USA, LLC
- Method of determining arrangement position of spherical joint for connecting exhaust pipes to each other in exhaust system, and exhaust system2 Nov 2017US 2017/0314450 A1Oiles Corporation
- Exhaust connection unit for catalytic converter and manufacturing method of exhaust connection unit for catalytic converter8 Jun 2017US 2017/0159539 A1
- Waste gas heat exchanger14 Sep 2006US 2006/0201653 A1Behr GmbH & Co.
Most cited
By later US patents
- Method for uniting an exhaust treatment body with its housing and an exhaust treatment apparatus81US 5,683,660 AJ. Eberspächer GmbH & Co. KG · 1997
- Method of forming a double wall, air gap exhaust duct component66US 5,170,557 ABenteler Industries, Inc. · 1992
- Stamp formed exhaust muffler with conformal outer shell48US 4,909,348 AAP Parts Manufacturing Company · 1990
- Stamp formed exhaust muffler with conformal outer shell36US 4,821,840 AAP Parts Manufacturing Company · 1989
- Air gap manifold port flange connection25US 5,349,817 ABenteler Industries, Inc. · 1994