F01N 13/1872
The assembly using stamp-formed parts or otherwise deformed sheet-metal
Official title: {the assembly using stamp-formed parts or otherwise deformed sheet-metal}
F01N13/1872 (The assembly using stamp-formed parts or otherwise deformed sheet-metal) appears on 355 US grants and 303 published applications in this corpus.
Search patents in F01N- Granted patents
- 355
- Published applications
- 303
- Assignees
- 168
- Inventors
- 752
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 10 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 13 | 0 |
| 2000 | 8 | 0 |
| 2001 | 9 | 2 |
| 2002 | 6 | 9 |
| 2003 | 6 | 5 |
| 2004 | 4 | 6 |
| 2005 | 6 | 15 |
| 2006 | 5 | 10 |
| 2007 | 7 | 14 |
| 2008 | 8 | 8 |
| 2009 | 10 | 16 |
| 2010 | 6 | 17 |
| 2011 | 12 | 6 |
| 2012 | 9 | 8 |
| 2013 | 10 | 11 |
| 2014 | 9 | 9 |
| 2015 | 10 | 17 |
| 2016 | 18 | 23 |
| 2017 | 22 | 13 |
| 2018 | 8 | 23 |
| 2019 | 15 | 29 |
| 2020 | 17 | 14 |
| 2021 | 17 | 12 |
| 2022 | 16 | 15 |
| 2023 | 12 | 8 |
| 2024 | 10 | 5 |
| 2025 | 9 | 6 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Muffler and method for making a muffler9 Dec 2025US 12,492,653 B2Purem GmbH
- Sound damper28 Oct 2025US 12,454,901 B2Purem GmbH
- Exhaust manifold12 Aug 2025US 12,385,426 B2Toyota Jidosha Kabushiki Kaisha
- Exhaust gas heater29 Jul 2025US 12,376,194 B2Purem GmbH
- Exhaust gas tailpipe assembly for an exhaust gas system of a motor vehicle22 Jul 2025US 12,366,194 B2Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Exhaust gas aftertreatment13 Aug 2026US 2026/0233162 A1Proventia Oy
- Support structure for a heating matrix25 Jun 2026US 2026/0176996 A1Schaeffler Technologies AG & Co. KG
- Connection unit7 Aug 2025US 2025/0250925 A1Purem GmbH
- Systems, devices, and methods for regenerating a particulate filter17 Jul 2025US 2025/0230761 A1Jtsmcdp, LLC
- Method for manufacturing exhaust component12 Jun 2025US 2025/0188862 A1
Most cited
By later US patents
- Stamp formed muffler54US 4,700,806 AAP Industries, Inc. · 1987
- Muffler49US 4,132,286 ANihon Radiator Co., Ltd. · 1979
- Stamp formed exhaust muffler with conformal outer shell48US 4,909,348 AAP Parts Manufacturing Company · 1990
- Tube and chamber construction for an exhaust muffler47US 4,759,423 AAP Industries, Inc. · 1988
- Silencer in stainless material for exhaust systems of automobile vehicles44US 4,456,091 AIndusteler · 1984