F02B 27/0215
Oscillating pipe charging, i.e. variable intake pipe length charging
Official title: {Oscillating pipe charging, i.e. variable intake pipe length charging}
F02B27/0215 (Oscillating pipe charging, i.e. variable intake pipe length charging) appears on 275 US grants and 114 published applications in this corpus.
Search patents in F02B- Granted patents
- 275
- Published applications
- 114
- Assignees
- 95
- Inventors
- 496
- Latest grant
- 3 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 9 | 0 |
| 1987 | 10 | 0 |
| 1988 | 13 | 0 |
| 1989 | 10 | 0 |
| 1990 | 13 | 0 |
| 1991 | 14 | 0 |
| 1992 | 11 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 13 | 0 |
| 1999 | 12 | 0 |
| 2000 | 6 | 0 |
| 2001 | 13 | 3 |
| 2002 | 19 | 10 |
| 2003 | 9 | 14 |
| 2004 | 12 | 4 |
| 2005 | 3 | 13 |
| 2006 | 13 | 12 |
| 2007 | 17 | 11 |
| 2008 | 7 | 15 |
| 2009 | 4 | 10 |
| 2010 | 9 | 9 |
| 2011 | 8 | 3 |
| 2012 | 5 | 2 |
| 2013 | 3 | 1 |
| 2014 | 2 | 0 |
| 2015 | 2 | 4 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Intake duct for internal combustion engine3 May 2022US 11,319,868 B2Toyota Boshoku Kabushiki Kaisha
- Inlet duct for internal combustion engine26 Oct 2021US 11,156,150 B2Toyota Boshoku Kabushiki Kaisha
- Air intake device and valve30 Apr 2019US 10,273,871 B2Aisin Seiki Kabushiki Kaisha
- Air intake device and valve19 Mar 2019US 10,233,826 B2Aisin Seiki Kabushiki Kaisha
- Air intake apparatus28 Aug 2018US 10,060,396 B2Aisin Seiki Kabushiki Kaisha
- Intake duct for internal combustion engine21 Jan 2021US 2021/0017897 A1Toyota Boshoku Kabushiki Kaisha
- Inlet duct for internal combustion engine7 Jan 2021US 2021/0003067 A1Toyota Boshoku Kabushiki Kaisha
- Air intake device and valve12 Jan 2017US 2017/0009641 A1Aisin Seiki Kabushiki Kaisha
- Air intake apparatus19 Nov 2015US 2015/0330340 A1Aisin Seiki Kabushiki Kaisha
- Air intake control valve and air intake apparatus19 Nov 2015US 2015/0330515 A1Aisin Seiki Kabushiki Kaisha
Most cited
By later US patents
- Intake system for internal combustion engine86US 4,763,612 AYamaha Hatsudoki Kabushiki Kaisha · 1988
- Integrated tuned induction system51US 4,919,086 ASiemens-Bendix Automotive Electronics L.P. · 1990
- V-type multiple-cylinder air intake device46US 7,004,137 B2Nissan Motors Co., Ltd. · 2006
- Intake device for an internal combustion engine43US 4,890,586 AHonda Giken Kogyo Kabushiki Kaisha · 1990
- Air intake device42US 7,275,512 B2Siemens Aktiengesellschaft · 2007