F01N 1/18
Having rotary movement
Official title: having rotary movement
F01N1/18 (Having rotary movement) appears on 60 US grants and 56 published applications in this corpus.
Search patents in F01N- Granted patents
- 60
- Published applications
- 56
- Assignees
- 37
- Inventors
- 122
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 3 |
| 2007 | 2 | 4 |
| 2008 | 2 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 3 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 3 | 2 |
| 2016 | 3 | 2 |
| 2017 | 3 | 4 |
| 2018 | 1 | 8 |
| 2019 | 7 | 7 |
| 2020 | 5 | 2 |
| 2021 | 4 | 6 |
| 2022 | 7 | 4 |
| 2023 | 3 | 0 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Coupling device, valve system and method for assembling a coupling device14 Oct 2025US 12,442,460 B2Akrapovic d.d.
- Exhaust valve and method for manufacturing same23 Sep 2025US 12,421,880 B2Sankei Giken Kogyo Co., Ltd.
- Gas flow and sound control valve for exhaust gas system23 Apr 2024US 11,965,443 B2Akrapovic d.d.
- Muffler for vehicle30 May 2023US 11,661,871 B2Hyundai Motor Company
- Noise abatement system for internal combustion engines14 Mar 2023US 11,603,780 B2
- Coupling device, valve system and method for assembling a coupling device14 Nov 2024US 2024/0376991 A1Akrapovic d.d.
- Exhaust valve and method for manufacturing same23 May 2024US 2024/0167405 A1Sankei Giken Kogyo Co., Ltd.
- Muffler valve and muffler8 Dec 2022US 2022/0389849 A1Sankei Giken Kogyo Co., Ltd.
- Sound pressure generator1 Dec 2022US 2022/0381169 A1Mitsubishi Heavy Industries, Ltd.
- Noise abatement system for internal combustion engines22 Sep 2022US 2022/0298940 A1
Most cited
By later US patents
- Engine exhaust control system and method59US 4,912,927 A1990
- Exhaust apparatus34US 5,941,069 AMadison Combustion Associates · 1999
- Exhaust apparatus17US 5,542,249 AMadison Combustion Associates · 1996
- Turbine exhaust structure for vehicle16US 6,343,673 B12002
- Inlet or exhaust line for a reciprocating machine14US 5,655,367 ACentre National de la Recherche Scientifique (CNRS) · 1997