F02B 2730/01
Internal-combustion engines with pistons rotating or oscillating with relation to the housing
Official title: with one or more pistons in the form of a disk or rotor rotating with relation to the housing; with annular working chamber
F02B2730/01 (Internal-combustion engines with pistons rotating or oscillating with relation to the housing) appears on 40 US grants and 38 published applications in this corpus.
Search patents in F02B- Granted patents
- 40
- Published applications
- 38
- Assignees
- 19
- Inventors
- 59
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 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 | 0 | 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 | 1 |
| 2004 | 1 | 0 |
| 2005 | 2 | 4 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 2 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 2 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 3 |
| 2019 | 0 | 0 |
| 2020 | 4 | 5 |
| 2021 | 3 | 6 |
| 2022 | 2 | 1 |
| 2023 | 3 | 3 |
| 2024 | 5 | 2 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02B 2730/018With piston rotating around an axis passing through the gravity centre, thisIndexing code15
- F02B 2730/011With vanes sliding in the housingIndexing code6
- F02B 2730/015With vanes hinged to the housingIndexing code6
- F02B 2730/012With vanes sliding in the pistonIndexing code2
- F02B 2730/016With vanes hinged to the pistonIndexing code2
- F02B 2730/017With rotating elements fixed to the housing or on the pistonIndexing code2
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