F02F 3/08
The inserts being ring-shaped
Official title: the inserts being ring-shaped
F02F3/08 (The inserts being ring-shaped) appears on 18 US grants and 12 published applications in this corpus.
Search patents in F02F- Granted patents
- 18
- Published applications
- 12
- Assignees
- 19
- Inventors
- 45
- Latest grant
- 11 Jun 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 2 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 0 |
| 2020 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Piston ring-belt structural reinforcement via additive machining11 Jun 2019US 10,316,790 B2TennecoInc.
- Method for producing a piston19 Feb 2019US 10,208,702 B2Mahle International GmbH
- Piston assembly for a reciprocating engine19 Dec 2017US 9,845,765 B2General Electric Company
- Reciprocating engine15 Sep 2015US 9,133,788 B2Bando Kiko Co., Ltd.
- Piston for internal combustion17 Mar 2015US 8,978,611 B2Toyota Jidosha Kabushiki Kaisha
- Piston with cofused alfin ring and process to obtain it6 Feb 2020US 2020/0038948 A1Asso Werke S.R.L.
- Method for producing a piston6 Sep 2018US 2018/0252181 A1Mahle International GmbH
- Piston ring-belt structural reinforcement via additive machining29 Mar 2018US 2018/0087470 A1Federal-Mogul Corporation
- Piston assembly for a reciprocating engine14 Jul 2016US 2016/0201597 A1General Electric Company
- Piston for an internal combustion engine16 Jul 2015US 2015/0198114 A1Asso Werke S.R.L.
Most cited
By later US patents
- Reinforced pistons53US 4,679,493 AAe PLC · 1987
- Piston of internal combustion engine32US 6,240,828 B1Nissan Motor Co., Ltd. · 2001
- Pistons with combustion bowl inserts13US 4,494,501 AAe PLC · 1985
- Pistons and cylinder liners9US 4,314,531 AAssociated Engineering Italy S.p.A. · 1982
- Piston for internal combustion engines7US 4,987,867 AIzumi Industries, Ltd. · 1991