F04C 18/32
Having both the movement defined in group f04c18/02 and relative reciprocation between
Official title: having both the movement defined in group F04C18/02 and relative reciprocation between the co-operating members
F04C18/32 (Having both the movement defined in group f04c18/02 and relative reciprocation between) appears on 173 US grants and 175 published applications in this corpus.
Search patents in F04C- Granted patents
- 173
- Published applications
- 175
- Assignees
- 58
- Inventors
- 348
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 3 |
| 2005 | 2 | 4 |
| 2006 | 1 | 5 |
| 2007 | 1 | 3 |
| 2008 | 1 | 4 |
| 2009 | 7 | 10 |
| 2010 | 5 | 17 |
| 2011 | 8 | 14 |
| 2012 | 7 | 15 |
| 2013 | 7 | 6 |
| 2014 | 13 | 8 |
| 2015 | 15 | 13 |
| 2016 | 13 | 9 |
| 2017 | 6 | 6 |
| 2018 | 10 | 3 |
| 2019 | 6 | 5 |
| 2020 | 4 | 9 |
| 2021 | 3 | 14 |
| 2022 | 15 | 7 |
| 2023 | 7 | 4 |
| 2024 | 11 | 1 |
| 2025 | 5 | 6 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F04C 18/322With vanes hinged to the outer member and reciprocating with respect to91
- F04C 18/324With vanes hinged to the inner member and reciprocating with respect to29
- F04C 18/321With vanes hinged to the inner member and reciprocating with respect to20
- F04C 18/332With vanes hinged to the outer member and reciprocating with respect to17
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