F02B 31/042
Induction channel having a helical shape around the intake valve axis
Official title: {induction channel having a helical shape around the intake valve axis}
F02B31/042 (Induction channel having a helical shape around the intake valve axis) appears on 57 US grants and 16 published applications in this corpus.
Search patents in F02B- Granted patents
- 57
- Published applications
- 16
- Assignees
- 28
- Inventors
- 108
- Latest grant
- 5 Oct 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 16 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 1 |
| 2011 | 2 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 4 |
| 2020 | 3 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Compression ignited combustion engine5 Oct 2021US 11,136,914 B2Scania CV AB
- Internal-combustion engine with direct fuel injection in the direction of the intake gas motion22 Dec 2020US 10,871,101 B2Ifp Energies Nouvelles
- Internal combustion engine14 Jul 2020US 10,711,685 B2Toyota Jidosha Kabushiki Kaisha
- Cylinder head of engine19 May 2020US 10,655,531 B2Mazda Motor Corporation
- Engine intake port structure1 Aug 2017US 9,719,410 B2Doosan Infracore Co., Ltd.
- Compression ignited combustion engine5 Dec 2019US 2019/0368412 A1Scania CV AB
- Cylinder head of engine25 Jul 2019US 2019/0226388 A1Mazda Motor Corporation
- Internal combustion engine4 Jul 2019US 2019/0203634 A1Toyota Jidosha Kabushiki Kaisha
- Internal-combustion engine with direct fuel injection in the direction of the intake gas motion4 Apr 2019US 2019/0101048 A1Ifp Energies Nouvelles
- Engine intake port structure3 Dec 2015US 2015/0345420 A1Doosan Infracore Co., Ltd.
Most cited
By later US patents
- Direct injection type internal combustion engine55US 6,799,551 B2Kabushiki Kaisha Toyota Chuo Kenkyusho · 2004
- Internal combustion diesel engine53US 4,256,062 AVolkswagenwerk Aktiengesellschaft · 1981
- Internal combustion engine with multiple intake valves and EGR arrangement28US 4,856,473 AToyota Jidosha Kabushiki Kaisha · 1989
- Gasoline internal combustion engine24US 6,227,151 B1Ford Global Technologies, LLC · 2001
- Intake spiral device and/or turbulence device for combustion engines22US 4,760,821 AMotoren-Werke Mannheim AG vorm. Benz Abt. stat. Motorenbau. · 1988