F01N 13/1861
The assembly using parts formed by casting or moulding
Official title: {the assembly using parts formed by casting or moulding}
F01N13/1861 (The assembly using parts formed by casting or moulding) appears on 94 US grants and 85 published applications in this corpus.
Search patents in F01N- Granted patents
- 94
- Published applications
- 85
- Assignees
- 78
- Inventors
- 251
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 1 |
| 2004 | 2 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 3 | 6 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 2 | 6 |
| 2011 | 1 | 0 |
| 2012 | 3 | 2 |
| 2013 | 3 | 6 |
| 2014 | 3 | 5 |
| 2015 | 7 | 4 |
| 2016 | 3 | 7 |
| 2017 | 4 | 5 |
| 2018 | 5 | 6 |
| 2019 | 6 | 7 |
| 2020 | 6 | 6 |
| 2021 | 5 | 3 |
| 2022 | 4 | 3 |
| 2023 | 3 | 3 |
| 2024 | 2 | 1 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Muffler, exhaust system including a muffler, and method of making a muffler for an exhaust system11 Nov 2025US 12,467,392 B2Purem GmbH
- Urea tank and fuel tank assembly16 Sep 2025US 12,416,255 B2Tongya (Shandong) Automobile Technology Group Co., Ltd.
- Catalyst device23 Apr 2024US 11,965,448 B2Toyota Jidosha Kabushiki Kaisha
- Catalyst device2 Apr 2024US 11,946,407 B2Toyota Jidosha Kabushiki Kaisha
- Engine19 Dec 2023US 11,846,220 B2Yanmar Power Technology Co., Ltd.
- Connection unit7 Aug 2025US 2025/0250925 A1Purem GmbH
- Holder for an exhaust system of an internal combustion engine and method of making same17 Apr 2025US 2025/0122822 A1Purem GmbH
- Urea tank and fuel tank assembly6 Jun 2024US 2024/0183302 A1Tongya (Shandong) Automobile Technology Group Co., Ltd.
- Muffler14 Dec 2023US 2023/0399963 A1Purem GmbH
- Catalyst device14 Dec 2023US 2023/0399969 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Muffler for internal combustion engines80US 4,589,516 AHonda Giken Kogyo Kabushiki Kaisha · 1986
- Exhaust gas muffler for a two-stroke engine40US 4,890,690 A1990
- Integral cast diffuser for a catalytic converter40US 5,408,828 AGeneral Motors Corporation · 1995
- Exhaust muffler with angularly aligned inlets and outlets37US 4,760,894 AAP Industries, Inc. · 1988
- Internal combustion engine exhaust system35US 4,628,689 A1986