F03C 2/30
Rotary-piston engines: having the characteristics covered by two or more of groups
Official title: having the characteristics covered by two or more of groups F03C2/02, F03C2/08, F03C2/22, F03C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
F03C2/30 (Rotary-piston engines: having the characteristics covered by two or more of groups) appears on 40 US grants and 31 published applications in this corpus.
Search patents in F03C- Granted patents
- 40
- Published applications
- 31
- Assignees
- 28
- Inventors
- 60
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 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 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 3 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 2 | 5 |
| 2012 | 0 | 0 |
| 2013 | 2 | 1 |
| 2014 | 2 | 2 |
| 2015 | 3 | 4 |
| 2016 | 2 | 2 |
| 2017 | 3 | 1 |
| 2018 | 0 | 3 |
| 2019 | 3 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 2 |
| 2022 | 0 | 0 |
| 2023 | 3 | 4 |
| 2024 | 1 | 1 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F03C 2/304Having both the movements defined in sub-group f03c2/08 or f03c2/22 and relative27
- F03C 2/308Having the movement defined in f03c2/08 and having a hinged member3
- F03C 2/302Having both the movements defined in sub-groups f03c2/02 and relative reciprocation between2
- F03C 2/306Having both the movements defined in sub-groups f03c2/22 and f03c2/241
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