F04C 18/38
Having the movement defined in group f04c18/02 and having a hinged member
Official title: having the movement defined in group F04C18/02 and having a hinged member (F04C18/32 takes precedence)
F04C18/38 (Having the movement defined in group f04c18/02 and having a hinged member) appears on 8 US grants and 8 published applications in this corpus.
Search patents in F04C- Granted patents
- 8
- Published applications
- 8
- Assignees
- 6
- Inventors
- 15
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 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 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 2 |
| 2018 | 0 | 0 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Moving wall multiphase compressor-pump-expander system21 Apr 2026US 12,607,188 B1
- Rotary compressor and refrigeration device23 Sep 2025US 12,421,967 B2Daikin Industries, Ltd.
- Revolving outer body rotary vane compressor or expander4 Jun 2019US 10,309,222 B2Pars Maina Sanayi Ve Ticaret Limited Sirketi
- Rotation device and rotor compressor and fluid motor having the same26 Feb 2019US 10,215,025 B2Beijing Rostar Technology Co. Ltd
- Compressor11 Jul 2017US 9,702,363 B2Daikin Industries, Ltd.
- Rotary compressor and refrigeration device6 Feb 2025US 2025/0043784 A1Daikin Industries, Ltd.
- Revolving outer body arc vane rotary compressor or expander11 May 2017US 2017/0130716 A1Pars Makina Sanayi Ve Ticaret Limited Sirketi
- Eccentric movable vane pump2 Feb 2017US 2017/0030352 A1
- Compressor8 Dec 2016US 2016/0356272 A1Daikin Industries, Ltd.
- Rotation device and rotor compressor and fluid motor having the same12 Nov 2015US 2015/0322790 A1Beijing Rostar Technology Co. Ltd
Most cited
By later US patents
- Rotary vane pump having a plurality of inlet and outlet slots in a rotating sleeve10US 4,772,185 ABarmag AG · 1988
- Rotary compressor2US 9,261,094 B2Caire Inc. · 2016
- Rotary systems lubricated by fluid being processed1US 9,267,503 B2Caire Inc. · 2016
- Compressor1US 9,702,363 B2Daikin Industries, Ltd. · 2017