F02B 23/0681
Square, rectangular or the like profiles
Official title: {Square, rectangular or the like profiles}
F02B23/0681 (Square, rectangular or the like profiles) appears on 10 US grants and 6 published applications in this corpus.
Search patents in F02B- Granted patents
- 10
- Published applications
- 6
- Assignees
- 7
- Inventors
- 25
- Latest grant
- 16 May 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 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 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Pistons with complex shaped piston crowns and manufacturing processes16 May 2017US 9,650,988 B2Federal-Mogul Corporation
- Complex-shaped piston oil galleries with piston crowns made by cast metal or powder metal processes26 Jan 2016US 9,243,582 B2Federal-Mogul Corporation
- Combustion chamber of internal-combustion engine27 Oct 1992US 5,158,055 AKorea Institute of Science and Technology
- Engine and high turbulence piston therefor11 Sep 1990US 4,955,338 AGeneral Motors Corporation
- Combustion chamber for internal combustion engines13 Jun 1989US 4,838,222 AIsuzu Motors Limited
- Complex-shaped piston oil galleries with piston crowns made by cast metal or powder metal processes2 Nov 2017US 2017/0314506 A1Federal-Mogul Corporation
- Piston with complex shaped combustion bowl and cooling gallery and method of construction thereof20 Oct 2016US 2016/0305365 A1Federal-Mogul Corporation
- Complex-shaped piston oil galleries with piston crowns made by cast metal or powder metal processes7 Apr 2016US 2016/0097342 A1Federal-Mogul Corporation
- Complex-Shaped Piston Oil Galleries With Piston Crowns Made By Cast Metal or Powder Metal Processes21 Aug 2014US 2014/0230774 A1Federal-Mogul Corporation
- Combustion chamber inserts and associated methods of use and manufacture17 Oct 2013US 2013/0269666 A1
Most cited
By later US patents
- Combustion chamber for an internal combustion engine of direct injection type25US 4,164,913 AKabushiki Kaisha Komatsu Seisakusho · 1979
- Combustion chamber for an internal combustion engine of direct injection type20US 4,221,190 AKabushiki Kaisha Komatsu Seisakusho · 1980
- Combustion chamber of a direct fuel injection type diesel engine9US 3,945,351 AIsuzu Motors Limited · 1976
- Internal combustion engine piston9US 4,616,612 APerkins Engines Group Limited · 1986
- Combustion chamber for internal combustion engines9US 4,838,222 AIsuzu Motors Limited · 1989