F02F 3/045
The inserts being located in the crown
Official title: {the inserts being located in the crown}
F02F3/045 (The inserts being located in the crown) appears on 16 US grants and 5 published applications in this corpus.
Search patents in F02F- Granted patents
- 16
- Published applications
- 5
- Assignees
- 13
- Inventors
- 34
- Latest grant
- 9 Mar 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Piston9 Mar 2021US 10,941,727 B2Nissan Motor Co., Ltd.
- Internal combustion engine24 Apr 2018US 9,951,740 B2NGK Insulators, Ltd.
- Piston for internal combustion engine27 Jun 2006US 7,066,078 B2Fuji Jukagyo Kabushiki Kaisha
- Metal matrix composite and piston using the same13 Aug 2002US 6,432,557 B1NHK Spring Co., Ltd.
- Piston of internal combustion engine and method of producing same6 Aug 2002US 6,427,579 B1Unisia Jecs Corporation
- Piston23 Apr 2020US 2020/0123999 A1Nissan Motor Co., Ltd.
- Internal combustion engine16 Jun 2016US 2016/0169185 A1NGK Insulators, Ltd.
- Piston for internal combustion engine17 Feb 2005US 2005/0034597 A1Fuji Jukagyo Kabushiki Kaisha
- Method for producing a piston or piston head for an internal combusition engine10 Feb 2005US 2005/0028364 A1
- Metal matrix composite and piston using the same11 Oct 2001US 2001/0028948 A1NHK Spring Co., Ltd.
Most cited
By later US patents
- Composite insert for use in a piston30US 5,425,306 ADana Corporation · 1995
- Cast piston having reinforced combustion bowl edge14US 5,660,156 AZollner Corporation · 1997
- Engine parts13US 4,544,607 ANGK Insulators, Ltd. · 1985
- Method of squeeze forming metal articles11US 4,667,727 AGKN Technology Limited · 1987
- Piston with a reinforcing insert10US 5,560,334 AMetal Leve S.A. Industria e Comercio · 1996