F01N 13/1827
Sealings specially adapted for exhaust systems
Official title: {Sealings specially adapted for exhaust systems (sealings in general F16J15/00)}
F01N13/1827 (Sealings specially adapted for exhaust systems) appears on 271 US grants and 261 published applications in this corpus.
Search patents in F01N- Granted patents
- 271
- Published applications
- 261
- Assignees
- 168
- Inventors
- 629
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 8 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 9 |
| 2003 | 11 | 5 |
| 2004 | 4 | 7 |
| 2005 | 6 | 9 |
| 2006 | 3 | 11 |
| 2007 | 6 | 5 |
| 2008 | 5 | 12 |
| 2009 | 2 | 10 |
| 2010 | 6 | 11 |
| 2011 | 4 | 13 |
| 2012 | 13 | 19 |
| 2013 | 9 | 12 |
| 2014 | 8 | 12 |
| 2015 | 14 | 22 |
| 2016 | 9 | 19 |
| 2017 | 23 | 7 |
| 2018 | 7 | 10 |
| 2019 | 13 | 9 |
| 2020 | 14 | 13 |
| 2021 | 6 | 8 |
| 2022 | 12 | 7 |
| 2023 | 8 | 11 |
| 2024 | 10 | 10 |
| 2025 | 4 | 6 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sealing means, improved slip joint apparatus and/or methods of use thereof21 Apr 2026US 12,607,264 B2Teconnex Ltd
- Gasket retainer for surface mount fluid component21 Apr 2026US 12,607,279 B2Compart Systems Pte. Ltd.
- Exhaust apparatus for agricultural work vehicle and agricultural work vehicle3 Mar 2026US 12,565,848 B2Ls Mtron Ltd.
- Connecting flange for connecting two tubular components to each other24 Feb 2026US 12,560,261 B2Purem GmbH
- Seal and method of using and making the same13 Jan 2026US 12,523,301 B2Saint-Gobain Performance Plastics Corporation
- Switchable exhaust system13 Aug 2026US 2026/0235066 A1Keijtech
- Gasket30 Jul 2026US 2026/0218645 A1Subaru Corporation
- Exhaust aftertreatment system with filter cartridge assembly14 May 2026US 2026/0132728 A1Cummins Emission Solutions Inc.
- Grommet and grommet assembly for machine fluid system18 Sep 2025US 2025/0290437 A1Caterpillar Inc.
- Three-way catalytic converter and device for processing tail gas12 Jun 2025US 2025/0188857 A1Shanghai Fusion Tech Co., Ltd.
Most cited
By later US patents
- Connecting structure for exhaust pipes269US 6,406,066 B1Honda Giken Kogyo Kabushiki Kaisha · 2002
- Flexible coupler apparatus66US 5,145,215 ASenior Engineering Investments AG · 1992
- Regenerable diesel exhaust filter and heater53US 5,457,945 APall Corporation · 1995
- Reinforced squeak free seal for exhaust couplings44US 4,871,181 AMetex Corporation · 1989
- Exhaust seal ring42US 4,209,177 AChrysler Corporation · 1980