F01N 2530/18
Plastics material
Official title: Plastics material, e.g. polyester resin
F01N2530/18 (Plastics material) appears on 87 US grants and 86 published applications in this corpus.
Search patents in F01N- Granted patents
- 87
- Published applications
- 86
- Assignees
- 78
- Inventors
- 229
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 2 | 4 |
| 2008 | 0 | 2 |
| 2009 | 0 | 5 |
| 2010 | 2 | 3 |
| 2011 | 4 | 2 |
| 2012 | 3 | 8 |
| 2013 | 6 | 5 |
| 2014 | 1 | 2 |
| 2015 | 2 | 4 |
| 2016 | 2 | 6 |
| 2017 | 5 | 8 |
| 2018 | 3 | 9 |
| 2019 | 11 | 3 |
| 2020 | 5 | 7 |
| 2021 | 3 | 4 |
| 2022 | 4 | 6 |
| 2023 | 2 | 2 |
| 2024 | 3 | 0 |
| 2025 | 3 | 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
- Multi-layer exhaust insulation systems and methods14 Oct 2025US 12,442,481 B2Lincoln Industries, Inc.
- Heating device9 Sep 2025US 12,414,203 B2Robert Bosch GmbH
- Outboard motor24 Dec 2024US 12,172,742 B2Yamaha Hatsudoki Kabushiki Kaisha
- Inorganic fiber-formed article, mat for exhaust gas cleaning apparatus, and exhaust gas cleaning apparatus17 Dec 2024US 12,168,841 B2Maftec Co., Ltd.
- Sound damper, in particular for a fuel-cell system20 Nov 2025US 2025/0357515 A1Purem GmbH
- Grommet and grommet assembly for machine fluid system18 Sep 2025US 2025/0290437 A1Caterpillar Inc.
- Muffler14 Dec 2023US 2023/0399963 A1Purem GmbH
- Multi-layer exhaust insulation systems and methods5 Jan 2023US 2023/0003334 A1Lincoln Industries, Inc.
- Heating device8 Dec 2022US 2022/0394820 A1Robert Bosch GmbH
Most cited
By later US patents
- Exhaust muffler174US 4,880,078 AHonda Giken Kogyo Kabushiki Kaisha · 1989
- Exhaust tip65US 7,007,720 B1Lacks Industries, Inc. · 2006
- Tube and chamber construction for an exhaust muffler47US 4,759,423 AAP Industries, Inc. · 1988
- Muffler for marine engine41US 5,196,655 A1993
- Exhaust silencer unit for propulsion unit40US 5,096,446 ASanshin Kogyo Kanushiki Kaisha · 1992