F02B 25/10
With one piston having a smaller diameter or shorter stroke than the
Official title: with one piston having a smaller diameter or shorter stroke than the other
F02B25/10 (With one piston having a smaller diameter or shorter stroke than the) appears on 14 US grants and 5 published applications in this corpus.
Search patents in F02B- Granted patents
- 14
- Published applications
- 5
- Assignees
- 7
- Inventors
- 14
- Latest grant
- 26 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fuel supply system for engine warm-up26 Apr 2022US 11,313,328 B2Walbro Corporation
- Method and means for controlling combustion23 Jun 2015US 9,062,602 B2Jbec Pty Limited
- Steam enhanced double piston cycle engine25 Sep 2007US 7,273,023 B2Tour Engine, Inc.
- Internal combustion engine20 Apr 2004US 6,722,322 B2
- Two-cycle internal combustion engine with reduced unburned hydrocarbons in the exhaust gas and adjustable spark gap electrodes10 Dec 1996US 5,582,156 ABRQT Corporation
- Fuel supply system for engine warm-up18 Apr 2019US 2019/0113004 A1Walbro Corporation
- Method and means for controlling combustion15 Aug 2013US 2013/0206113 A1Jbec Pty Limited
- Steam enhanced double piston cycle engine14 Feb 2008US 2008/0034755 A1
- Steam enhanced double piston cycle engine22 Feb 2007US 2007/0039323 A1Tour Engine, Inc.
- Internal combustion engine23 Oct 2003US 2003/0196614 A1
Most cited
By later US patents
- Internal combustion engine30US 6,722,322 B22004
- Compression-expansion power device28US 4,010,611 A1977
- Two-cycle engine27US 3,934,562 AYamaha Hatsudoki Kabushiki Kaisha · 1976
- Constructional improvements in a two-stroke opposed piston engine operating with stratified charge14US 4,352,343 APIAGGIO & C. S. p. A. · 1982
- L-head two stroke engines12US 5,007,384 AThe Queen's University of Belfast · 1991