F02B 2730/03
Internal-combustion engines with pistons rotating or oscillating with relation to the housing
Official title: with piston oscillating in a housing or in a space in the form of an annular sector
F02B2730/03 (Internal-combustion engines with pistons rotating or oscillating with relation to the housing) appears on 8 US grants and 10 published applications in this corpus.
Search patents in F02B- Granted patents
- 8
- Published applications
- 10
- Assignees
- 3
- Inventors
- 11
- Latest grant
- 3 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 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 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 3 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Rotary drive apparatus3 Dec 2024US 12,158,102 B2
- Rotary engine with its passive piston running at variable speed12 Jan 2021US 10,890,071 B2Guangzhou Yunshun Mechanic and Electric Co. Ltd.
- Intake device, power generator, external combustion system using intake device and power generator, internal combustion system using intake device and power generator, and air hybrid power generation system using intake device and power generator2 Oct 2018US 10,087,757 B2
- Reciprocating rotation type engine and power transferring device and hybrid system using the same14 Dec 2010US 7,849,822 B2Aden Limited
- Orbital engine13 Jun 2006US 7,059,294 B2Wright Innovations, LLC
- Rotary drive apparatus27 Feb 2025US 2025/0067210 A1
- A rotary drive apparatus7 Dec 2023US 2023/0392542 A1
- A rotary engine with its passive piston running at variable speed27 Dec 2018US 2018/0371909 A1Guangzhou Yunshun Mechanic and Electric Co. Ltd.
- Intake device, power generator, external combustion system using intake device and power generator, internal combustion system using intake device and power generator, and air hybrid power generation system using intake device and power generator9 Feb 2017US 2017/0037726 A1
- Orbital engine22 Apr 2010US 2010/0095926 A1Wright Innovations, LLC
Most cited
By later US patents
- Internal combustion engine55US 5,025,756 A1991
- Toroidal internal combustion engine20US 6,880,494 B22005
- Orbital engine15US 7,059,294 B2Wright Innovations, LLC · 2006
- Internal combustion engine11US 3,948,226 A1976
- Reciprocating rotation type engine and power transferring device and hybrid system using the same4US 7,849,822 B2Aden Limited · 2010