F02B 57/10
With combustion space in centre of star
Official title: with combustion space in centre of star
F02B57/10 (With combustion space in centre of star) appears on 39 US grants and 15 published applications in this corpus.
Search patents in F02B- Granted patents
- 39
- Published applications
- 15
- Assignees
- 9
- Inventors
- 35
- Latest grant
- 25 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 2 | 3 |
| 2010 | 2 | 1 |
| 2011 | 2 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Rotary engine expansion chamber apparatus and method of operation therefor3 Sep 2013US 8,523,547 B2
- Bearing device for radial piston machine31 Mar 2022US 2022/0098982 A1Daido Metal Company Ltd.
- Offset rotational internal combustion engine with centrifugal gasoline pressure15 Feb 2018US 2018/0045047 A1
- Rotary piston engine with external explosion/expansion chamber15 Sep 2016US 2016/0265428 A1
- Offset rotational non-reciprocating-piston internal combustion engine18 Sep 2014US 2014/0261320 A1
- Internal combustion engine15 Aug 2013US 2013/0206099 A1
Most cited
By later US patents